Find the measures of the angles of a triangle if the measure of one angle is twice the measure of a second angle and the third angle measures 3 times the second angle decreased by 48.

Answers

Answer 1

Answer:

38°, 66° and 76°

Step-by-step explanation:

A triangle consists of 3 angles and sides. The sum of the angles in a triangle is 180°. Let the angle be <A, <B and <C.

<A + <B + <C = 180° ...... 1

If the measure of one angle is twice the measure of a second angle then

<A = 2<B ...... 2

Also if the third angle measures 3 times the second angle decreased by 48, this is expressed as <C = 3<B-48............ 3

Substituting equations 2 and 3 into 1 will give;

(2<B) + <B + (3<B-48) = 180°

6<B- 48 = 180°

add 48 to both sides

6<B-48+48 = 180+48

6<B = 228

<B = 228/6

<B =38°

To get the other angles of the triangle;

Since <A = 2<B  from equation 2;

<A = 2(38)

<A = 76°

Also <C = 3<B-48 from equation 3;

<C = 3(38)-48

<C = 114-48

<C = 66°

Hence the measures of the angles of the triangle are 38°, 66° and 76°


Related Questions

Which statement comparing ​|−12|​ and ​|8|​ is true?

Answers

Answer:

[tex]\huge\boxed{|-12|\ is\ greater\ than\ |8|}[/tex]

Step-by-step explanation:

|-12| = 12

|8| = 8

So, the statement is :

|-12| is greater than |8|

The width of a rectangle measures (3.1s-1.6)(3.1s−1.6) centimeters, and its length measures (7.2s-4.6)(7.2s−4.6) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle? A. −6.2+10.3s B. −12.4+20.6s C. 1.5s+2.6 D. 5.2+3s

Answers

Answer:

B) -12.4 + 20.6s

Step-by-step explanation:

width = (3.1s - 1.6) cm

Length = (7.2s - 4.6) cm

Perimeter of rectangle = 2* (length +width)

                                      = 2 *(7.2s - 4.6 + 3.1s - 1.6)    {add like terms}

                                      = 2* (7.2s + 3.1s - 4.6 - 1.6)

                                      = 2*( 10.3s - 6.2)   {distributive property}

                                      = 2*10.3s - 2*6.2

                                      = 20.6s - 12.4

A jar holdsFraction 3 over 4 gallon of juice when it is Fraction 7 over 8 full. Which statement best describes the quotient of 3 over 4division sign 7 over 8? The maximum amount of juice the jar can hold is Fraction 7 over 6 gallons. The maximum amount of juice the jar can hold is Fraction 6 over 7 gallon. The amount of juice that can be still poured in the jar is Fraction 7 over 6 gallons. The amount of juice that can be still poured in the jar is Fraction 6 over 7 gallon.

Answers

Answer: 3/4  / 7/8

Step-by-step explanation:

= 3/4  * 8/7  = 24/28 = 6/7 gallons

This is the volume of juice  when the jar is full.

Answer:

6/7

Step-by-step explanation:

uhm, yeah im not very good at math, i need to graduate man, someone help lol

Answers

Answer:

d=√73=8.544

Step-by-step explanation:

Find distance (d) between market (0,8) , court house(6,5) and library(6,-1)

d between two pint is :

d=√(x2-x1)²-(y2-y1)²

d between market and court house:

d=√(6-0)²+(5-8)²

d=√36+9=√45 = 6.7082 ≅6.71 rounded to the nearest hundredths

d between courthouse and the library:

d=√(6-6)²+(-1-5)²

d=√36=6

the distance that Runner A ran=6.71+6=12.71

the distance from the library to the school:

d=√(6-(-2))²+(-1-(-4))²

d=√8²+3²

d=√64+9

d=√73=8.544 ( rounded to the nearest hundredth)

Runner B went  8.544 further than Runner A before stopping at school ( which is the distance between the library and the school.

Given 2^m + 2^m = 2^n, express m in terms of n.​

Answers

Answer:

m = n-1

Step-by-step explanation:

2^m + 2^m = 2^n

Add on the left

2( 2^m) = 2 ^ n

2^1 ( 2^m) = 2^n

We know that a^b* a^c = a^ (b+c)

2^(1+m) =  2^n

The bases are the same so the exponents are the same

1+m = n

Solving for m

1+m-1 = n-1

m = n-1

Given :

2^m + 2^m = 2ⁿ

→ 2(2^m) = 2ⁿ

→ 2¹ × 2^m = 2ⁿ

→ 2^(1 + m) = 2ⁿ

As bases are equal, exponents are equal too.

→ 1 + m = n

→ m = n - 1

m = n - 1 (Answer)

Determine which line the point (1, -2) lies on. y = x + 5 y = 2x + 1 y = 2x - 4 y = x -2

Answers

Answer:

y = 2x - 4

Step-by-step explanation:

Given point (1, -2) so x = 1, y = -2

Just plug in and verify

y = x + 5

y = 1 + 5 = 6 ≠ -2 , no

y = 2x + 1

y = 2*1 + 1 = 3≠ -2 , no

y = 2x - 4

y = 2*1 - 4 = -2, yes

y = x -2

y = 1 - 2 = -1 ≠ -2 , no

help me solve for the variable
-12r + 4 = 100
r=

Answers

Answer:

-8

Step-by-step explanation:

-12r+4=100

100-4=96

-12r=96

96/-12=-8

Solve the equation for y. Then find the value of y for each value of x.
y + 6x = 11; x= -2,0,4
Solve the equation for y.

Answers

Answer: for x=-2

y+6(-2)=11

y+(-12)=11

y=11+12

y=23

    for x=0

y+(6*0)=11

y=11

    for x=4

y+6(4)=11

y+24=11

y=11-24

y= -13

Step)-by-step explanation:

you just remplace x with his value and solve y

y+6(-2)=11
y- 12 = 11
+12 +12
y = 23

y+6(0) = 11
y = 11


y+6(4) = 11
24 = 11
-24. -24
y = 13
y = -13

find the product of (a+b) and(a power 2 -ab +b power 2)​

Answers

Answer :

[tex]\circ\tt\:(a+b)(a^2-ab+b^2)[/tex]

[tex]\circ\tt\:a(a^2-ab+b^2)+b(a^2-ab+b^2)[/tex]

[tex]\circ\tt\:(a^3-a^2b+ab^2)+(a^2b-ab^2+b^3)[/tex]

[tex]\circ\tt\:a^3+(a^2b-a^2b)+(ab^2-ab^2)+b^3[/tex]

[tex]\circ\tt\:a^3+0+0+b^3[/tex]

[tex]\bigstar\:\boxed{\bf{\pink{a^3+b^3} }}[/tex]

How many $10$-digit numbers are there, such that the sum of the digits is divisible by $2$?

Answers

Complete question is;

How many 10 - digit numbers are there, such that the sum of the digits is divisible by 2?

Answer:

There are 4500000000 ten digit numbers whose sum is divisible by 2.

Step-by-step explanation:

Since we are dealing with 10 digit numbers, the first 10 digit number whose sum is divisible by 2 is; 1000000001.

While the last 10 digit number whose sum is divisible by 2 is 9999999999.

Now,to find how many 10 digit numbers whose sum are divisible by 2, we will simply divide the difference of both numbers by 2 and then add 1 to the answer. This is because subtracting the minimum from the maximum gives us the number of 10 digit numbers we have. Then dividing by 2 gives the number of ten digit numbers with sum divisible by 2 in between. Then adding 1 to the result to cover the number not included gives;

((9999999999 - 1000000001)/2) + 1 = 4500000000

the 4th tetm of a G.P. is 54 and the 6th term is 24. Is 64/9 a term of the G.p.?​

Answers

Answer:

d

Step-by-step explanation:

Here is a pic

Hope this helps

3/5x = 1/2x+1/2
please tell me this asap​

Answers

Answer:

x = 5

Step-by-step explanation:

3/5x = 1/2x + 1/2

collect like terms =

3/5x - 1/2x = 1/2

6x - 5x/10 =

x/10 = 1/2

2x = 10

x = 5

8 times 10 to the power of 5 is how many as great as 8 times 10 to the power of -1

Answers

Answer:

6 times as great

Step-by-step explanation:

8*10 to the power of 5

8*10 to the power of -1

Answer:

10^6

Step-by-step explanation:

● 8×10^5

● 8 × 10^(-1)

Divide the the first number by the second one

● 8×10^5/ 8×10^(-1) = 10^(5-(-1)) = 10^6

So 8×10^5 is greater 10^6 times than 8×10^(-1)

Find the perimeter and area of the figure.
10 ft
3 ft
The perimeter of the figure is
feet.
47
The area of the figure is
square feet.
HELP ME PLEASE

Answers

Answer: the perimeter is 26 feet squared. the area is 30 feet

perimeter is all sides added together:

10+10+3+3= 26

area is base times length

10×3=30

dont forget units

PLS ANSWER ASAP!!! Which quadratic equation is equivalent to (x – 4)2 – (x – 4) – 6 = 0? A.(u – 4)2 – (u – 4) – 6 = 0 where u = (x – 4) B, u2 – (u – 4) – 6 = 0 where u = (x – 4) C. u2 – 16 – u – 6 = 0 where u = (x – 4) D. u2 – u – 6 = 0 where u = (x – 4)

Answers

Answer:

D.) u^2 - u-6 = 0 where u = (x-4)

Step-by-step explanation:

Answer: D

Step-by-step explanation:

edge 23

1. A grocery store just received a shipment of 200 dozen eggs. If 12 eggs = 1 dozen, how many eggs did
the store receive?

Answers

Answer:

they received 2400 eggs.

Step-by-step explanation:

12 * 200 = 2400

The number of eggs did the store receive is 2400 eggs.

To find number of eggs.

What is arithmetic?

science that deals with the addition, subtraction, multiplication, and division of numbers and properties and manipulation of numbers. An example of arithmetic is adding two and two together to make four.

Given that:

A dozen (commonly abbreviated doz or dz) is a grouping of twelve.

1 dozen= 12 eggs

1/2 dozen=6 eggs

So upon calculate the 200 dozen of egg, to multiply with  1 dozen of eggs,

200 dozen= 200*12=2400 eggs

So, the number of eggs did the store receive is 2400 eggs.

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the midpoint of ab is M (-6,1 ). if the coordinates of A are (-7,-3 ),what are the coordinates of B

Answers

Answer:

B(-5,5).

Step-by-step explanation:

It is given that midpoint of AB is M (-6,1).  

Coordinates of A are (-7,-3 ).

We need to find the coordinates of point B.

Let coordinates of point B are (a,b).

[tex]Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)[/tex]

Midpoint of AB is

[tex]Midpoint=\left(\dfrac{-7+a}{2},\dfrac{-3+b}{2}\right)[/tex]

[tex](-6,1)=\left(\dfrac{-7+a}{2},\dfrac{-3+b}{2}\right)[/tex]

On comparing both sides, we get

[tex]\dfrac{-7+a}{2}=-6[/tex]

[tex]-7+a=-12[/tex]

[tex]a=-12+7[/tex]

[tex]a=-5[/tex]

[tex]\dfrac{-3+b}{2}=1[/tex]

[tex]-3+b=2[/tex]

[tex]b=2+3[/tex]

[tex]b=5[/tex]

Therefore, the coordinates of B are (-5,5).

Jack bought 4 bagels for $3.00. How many bagels can he buy for $4.50?​

Answers

6 bagels hope this helps!

Answer:

            6 bagles

Step-by-step explanation:

$3.00      -       4 bagles  

     ÷2               ÷2

$1.50       -       2 bagles  

     ×3              ×3

$4.5        -       6 bagles  

Determine the product if the exspressian . It must be in simplified form. 4/5 times 1/2

Answers

Answer:

2/5

Step-by-step explanation:

cross simplify the 4 and 2

the equation becomes:

2/5 • 1/1 = 2/5

Answer:

2/5

Step-by-step explanation:

you just cross multyply so 4x1 is 4 and 5x2 is 10 and you get 4/10 and then you simplify it by 2 and that will get you 2/5

Yolanda's age is 5 years less than twice Marco's age. If Yolanda is 15 years old, how old is Marcus? Choose the answer below that is a viable solution to this problem.

Answers

The age of marcus is 10 years old.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Given that Yolanda's age is 5 years less than twice Marco's age. If Yolanda is 15 years old, then we have;

The reason for "5 years less", means we subtract 5, but from what exactly.

Now the next portion of the sentence says "twice Marco's Age" therefore, its 2x so we must subtract 5 from 2x.

15 = 2x - 5    

Now we just solve for x.

15 = 2x - 5    

Add 5 to both sides.

20 = 2x          

Divide by 2 on both sides;

10 = x            

Thus As a result, Marcus is 10 years old.

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Carmen draws this area model to help her divide 1,800 by 9. She says the quotient is 20. Does Carmen's model make sense? Use the drop-down menus to explain. ​

Answers

Answer:

No shes wrong

Step-by-step explanation:

IF you divide 1800 divided by 9 you will get 200 not 20 so she is wrong.

please help me........​

Answers

Answer:  see proof below

Step-by-step explanation:

Use the Sum/Difference Identity: tan (A + B) = (tanA + tanB)/(*1 - tanA · tanB)

Scratchwork:

tan (50) = tan (40 + 10)

             [tex]= \dfrac{\tan 40+\tan 10}{1-\tan 40\cdot \tan 10}[/tex]

tan 50 (1 - tan 40 · tan 10) = tan 40 + tan 10

tan 50 - tan 50 · tan 40 · tan 10 = tan 40 + tan 10

tan 50 = tan 40 + tan 10 + tan 50 · tan 40 · tan 10

Use the Reciprocal Identity: cot A = 1/ tan --> cot A · tan A = 1

Proof LHS → RHS

LHS:                           tan 50    - tan 40

Substitute tan 50:     tan 40 + tan 10 + (tan 50 · tan 40) · tan 10     - tan 40

Simplify:                     tan 10 + (tan 50 · tan 40) · tan 10

Reciprocal Identity:   tan 10 + tan 10

Simplify:                    2 tan 10

LHS = RHS:  2 tan 10 = 2 tan 10    [tex]\checkmark[/tex]

     

What 2 consecutive whole numbers does v3 fall between?

Answers

Answer:

1 and 2

Step-by-step explanation:

√3 is ≈ 1.7

This is between 1 and 2

Find the Slope of the line through ( -4, 2 ) and (5, 8 )

Answers

Answer:

2/3

Step-by-step explanation:

Y2-Y1/X2-X1

8-2/5-(-4)

6/5+4

6/9

Slope: 2/3

answer: 2/3

step by step:

slope(m)=[tex]y2-y1/x2-x1[/tex]

              =8-2/5+4

              = 6/9

              =2/3

A certain number is both a perfect square root and a perfect cube will its cube root and square root always be different numbers

Answers

Answer:

The exception is 1

Step-by-step explanation:

The cube root of 1 is 1, and the square root of 1 is also 1..

hence, 1 has cube root equal to square root

Can someone please help me?

Answers

Answer:

The next number is 1 and the pattern is divide by 4.

Step-by-step explanation:

256÷4=64

64÷4=16

16÷4=4

4÷4=1

A family is comparing different car seats. One car seat is designed for a child up to and including 26 lb. Another car seat is designed for a child between 18 lb and 40 lb. A third car seat is designed for a child between 25 lb and 75 ​lb, inclusive. Model those ranges with compound inequalities. Which car seats are appropriate for a ​33-lb ​child? The inequality for a child up to and including 26 lb is ________.

Answers

Answer:

the 25 -75 because the baby is closer to 25 but still has plenty of room

The car seat appropriate for a child 33-lb will be shown by the inequality 25 < Child seat < 75. The inequality for a child up to and including 26 lb will be written as Child ≤ 26.

What is inequality?

Inequality is the relationship between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”.

Given that a family is comparing different car seats. One car seat is designed for a child up to and including 26 lb. Another car seat is designed for a child between 18 lb and 40 lb. A third car seat is designed for a child between 25 lb and 75 ​lb.

A car seat appropriate for a ​33-lb ​child will come under the seat which is designed for a child between 25 lb to 75 lb.

The inequality for a child up to and including 26 lb will come under a car seat is designed for a child up to and including 26 lb. The inequality can be written as Child ≤ 26.

Therefore, the car seat appropriate for a child 33-lb will be shown by the inequality 25 < Child seat < 75.

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What is an equation of a line that passes through the point of (-8 2) and (-4,-3)

Answers

Answer:

y = -5/4x -8

Step-by-step explanation:

[tex](-8,2)=(x_1 ,y_1)\\(-4 ,-3) = (x_2 ,y_2)\\\\\frac{y-y_1}{x-x_1} = \frac{y_2-y_1}{x_2-x_1}\\ \\\frac{y-2}{x-(-8)}= \frac{-3-2}{-4-(-8)}\\ \\\frac{y-2}{x+8}= \frac{-5}{-4+8} \\ \\\\\frac{y-2}{x+8} = \frac{-5}{4}\\ \\Cross\:Multiply \\4(y-2) = -5(x+8)\\\\4y-8 =- 5x-40\\\\4y = -5x-40+8\\\\4y =- 5x-32\\\\\frac{4y}{4} = \frac{-5x}{4} + \frac{-32}{4} \\\\y = -\frac{5}{4}x-8[/tex]

Mark incorrectly solved the inequality -4(5/2+3/2x) > 8. His work is shown. Which step shows an error based on the inequality ONLY from the previous step? Help please!!​

Answers

Answer : The incorrect step is, (A) step 1: -10 + 6x > 8

Step-by-step explanation :

The given expression is:

[tex]-4(\frac{5}{2}+\frac{3}{2}x)>8[/tex]

Now solving this expression step by step.

First -4 distributed over parentheses.

[tex](-4\times \frac{5}{2})+(-4\times \frac{3}{2}x)>8[/tex]

Now solving bracket term, we get:

[tex]-10-6x>8[/tex]

Now taking like terms together, we get:

[tex]-6x>8+10[/tex]

[tex]-6x>18[/tex]

[tex]-x>3[/tex]

Now multiplying this expression by (-1), we get:

[tex]x>-3[/tex]

Thus, the incorrect step is, (A) step 1: -10 + 6x > 8

Answer:

A. Step 1: -10 + 6x > 8

Step-by-step explanation:

The correct way:

Step 1: Multiply both sides by [tex]-1[/tex] (reverse the inequality)

[tex]\left(-4\left(\frac{5}{2}+\frac{3}{2}x\right)\right)\left(-1\right)<8\left(-1\right)[/tex]

Step 2: Simplify

[tex]4\left(\frac{5}{2}+\frac{3}{2}x\right)<-8[/tex]

Step 3: Divide both sides by 4

[tex]\frac{4\left(\frac{5}{2}+\frac{3}{2}x\right)}{4}<\frac{-8}{4}[/tex]

Step 4: Simplify

[tex]\frac{5}{2}+\frac{3}{2}x<-2[/tex]

Step 5: Subtract [tex]\frac{5}{2}[/tex] from both sides

[tex]\frac{5}{2}+\frac{3}{2}x-\frac{5}{2}<-2-\frac{5}{2}[/tex]

Step 6: Simplify

[tex]\frac{3}{2}x<-\frac{9}{2}[/tex]

Step 7: Multiply both sides by 2

[tex]2\cdot \frac{3}{2}x<2\left(-\frac{9}{2}\right)[/tex]

Step 8: Simplify

[tex]3x<-9[/tex]

Step 9: Divide both sides by 3

[tex]\frac{3x}{3}<\frac{-9}{3}[/tex]

Step 10: Simplify

[tex]x<-3[/tex]

Which statements about geometric sequences are true?

There is more than one correct answer. Select all that apply.

Geometric sequences have a common ratio between terms.

Geometric sequences are restricted to the domain of natural numbers.

Geometric sequences can have a first term of 0.

Geometric sequences have a common difference between terms.

Geometric sequences only increase, never decrease.

Answers

Answer:

Step-by-step explanation:

Geometric sequences have a common ratio between terms.  TRUE

Geometric sequences are restricted to the domain of natural numbers.  FALSE

Geometric sequences can have a first term of 0.  FALSE.  If this were true, then every member the sequence would also be 0.

The correct statements are,

Geometric sequences have a common ratio between terms.

Geometric sequences :

A geometric series is one which has a constant ratio between successive terms.

A geometric series is the sum of the terms of a geometric sequence.Geometric sequences may be increase or decrease.Geometric sequences can not have a first term of 0, if the first term is zero, it will not result in a Geometric Progression.

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