Answer: 15
Step-by-step explanation:
We know that the scale factor of the dilation is the ratio of similtude, and that the ratio of similitude is equal to the ratio of the perimeters. So, the new perimeter is 30(0.5)=15.
Sarah has two sets of cards. The first set of 26 cards is labeled with all the letters of the English Language. The second set of 10 cards is numbered 0 through 9.
If Sarah draws one lettered card and one numbered card at random, what is the probability of her drawing a letter in her name and an odd number? (Enter answer as a reduced fraction).
Answer:
1/13
Step-by-step explanation:
Probability of Sarah drawing a letter in her name
= number of letters in her name: S, A, R and H / total number of letters
= 4/26
Probability of drawing an odd number
= odd numbers / total numbers
= 5/10
Combining the above, Probability of her drawing a letter in her name and an odd number = 4/26 * 5/10
= 1/13
Total Alphabetical cards Sarah has ⇢ 26
Total Letters Sarah's name has ⇢ 4
Probability of getting a card with one of the letter in her name ⇢ 4/26
Total numerical Cards Sarah has ⇢ 10
Total odd numbers in those cards⇢5
Probability of getting a card with an odd number⇢ 5/10
probability of her drawing a letter in her name and an odd number⇢ 4/26 x 5/10 = 1/13
brainliest for free if you can solve this equation 3+5 +7 -6
Answer:
The answer is
→ 9
Step-by-step explanation:
[tex]3+5+7-6=9[/tex]
Therefore, 9 is your answer.
Find the measure of arc RPQ.
Answer: 227 degrees
Step-by-step explanation:
What type of triangle is a 30, 40, 50
Answer:
Pythagoras's Theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides. Actually a 30 , 40 , 50 triangle is just a scaled up 3 , 4 , 5 triangle, which is a well known right angled triangle
Step-by-step explanation:
please mark me as brainlist please
Britney is buying a shirt and a hat at the mall. The shirt costs $31.99, and the hat costs $19.89. If Britney gives the sales clerk $100.00, how much change should she receive? (Ignore sales tax.)
A. $45.02
B. $57.87
C. $48.12
D. $51.88
Answer:
C
Step-by-step explanation:
100-31.99-19.89=48.12
1 gram of sugar costs 5400
how much would 1 ton cost?
Answer:
5400000000
Step-by-step explanation:
1gram=5400
1kg=5400*1000 (1kg=1000gm)
=5400000
1quntal=5400000*100 (1quntal=100kg)
=540000000
1ton=540000000*10 (1ton=10 quntal)
=5400000000
45:60 as its simplest form
Answer :
3/4.
Explanation
Find the GCD (or HCF) of numerator and denominator
GCD of 45 and 60 is 15
Divide both the numerator and denominator by the GCD
45 ÷ 15
60 ÷ 15
Reduced fraction: 3/4
Therefore, 45/60 simplified to lowest terms is 3/4.
Hi! I hope you are enjoying your day!
In order to simplify this ratio (and 45:60 is a ratio), we should divide both sides of the ratio by 5 (because both 45 and 60 are evenly divisible by 5)
Divide:
9:12
Is the ratio in its simplest form? No.
Why?
Because 9 and 12 can be divided by 3:
3:4
Now the ratio IS in its simplest form.
Hence, the answer is
[tex]\boxed{\boxed{\bold{3:4}}}[/tex]
Hope everything is clear.
If you have any questions, please comment.
#LearningIsFun
- 1/3(6x+18)=10
Help me find the answer before 7:40
Answer:
x = -8
Step-by-step explanation:
[tex]-\frac{1}{3}\left(6x+18\right)=10[/tex]
[tex]\mathrm{Multiply\:both\:sides\:by\:}-3[/tex]
[tex]\left(-\frac{1}{3}\left(6x+18\right)\right)\left(-3\right)=10\left(-3\right)[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]6x+18=-30[/tex]
[tex]\mathrm{Subtract\:}18\mathrm{\:from\:both\:sides}[/tex]
[tex]6x+18-18=-30-18[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]6x=-48[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}6[/tex]
[tex]\frac{6x}{6}=\frac{-48}{6}[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]x=-8[/tex]
~Learn with Lenvy~
Characteristics of Polynomials
If you are researcher how would you make sure that the result or outcome of your study will be accurate and precise?
Answer:
Keep all variables (temperature, place, lighting, etc.) constant other than the variable being tested.
Do the test multiple times. The variations must be small.
keep everything calibrated (marked)
record measurement correctly with the correct units
Step-by-step explanation:
What’s this answer?
Answer:
175/24
Step-by-step explanation:
First change mixed fraction to improper fraction.
1¾= (1×4+3)/4
= 7/4
4⅙= (4×6+1)/6
= 25/6
now multiply the nominators (numbers on the top) and then the denominators (numbers on the bottom)
I.e
7/4 × 25/6
= 7×25/4×6
= 175/24
it cannot be further simplified so 175/24 is the answer.
Put the following equation of a line into slope-intercept form, simplifying all
fractions.
12y - 9x = -36
please help me again I have 2 tries again please and explain, please
Answer:
8
Step-by-step explanation:
→ Find width of first painting
48 ÷ 6 = 8
→ Find length of second painting
64 ÷ 8 = 8
Find the hypotenuse round to the nearest hundredth
Answer:
8.94
Step-by-step explanation:
hypotenuse=h
h=4^2+8^2
h=16+64
h=80
h=√80
h=8.94
Answer:
Step-by-step explanation:
[tex]hypotenuse=\sqrt{4^2+8^2} =\sqrt{16+64} =\sqrt{80}\approx 8.94[/tex]
9. Find the area of the figure.
What is the answer
Answer:
73.12 in.²
Step-by-step explanation:
The entire area is made up of a semicircle and a rectangle. We find both areas and add them.
total area = area of semicircle + area of rectangle
total area = (1/2)πr² + length × width
total area = 1/2 × 3.14 × 4 in. × 4 in. + 8 in. × 6 in.
total area = 73.12 in.²
Which line has a slope of -3?
y= 4x + 3
y= 3x - 3
y=-3x+1
y=-2x - 3
Answer:
y= 4x + 3
Step-by-step explanation:
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The circumference of a circle is 7.5. What is it’s diameter?
What is the circumcenter of ΔABC, if A(-7, 3); B(9, 3); and C(-7, -7)?
Answer: (1,-2)
Step-by-step explanation:
The there angles in a triangle ge in the ratio
of 2.4.6. Find the measure of
and hence state the type of triangle.
of each angle
Answer:
Step-by-step explanation:
Find the area of the missing square off of leg a if the area of one square is 369 and the area of another is 81.
A - 19.2
B - 144
C- 12
D- 288
Solution:
Note that:
Area of square = s² (s = Side length)Finding the leg of a square with area of 369 units²
c² = 369=> c = √369 unitsFinding the leg of a square with area of 81 units²
b² = 81=> b = √81 = 9 unitsFinding side length a using Pythagoras theorem
(√369)² = 9² + a²=> 369 = 81 + a²=> 369 - 81 = a²=> 288 = a²=> a = √288 = √144 x 2 = √12 x 12 x 2 = 12√2 unitsFinding the missing area of the square.
Area of square = a²=> Area of square = a² = (a)²=> Area of square = (12√2)²=> Area of square = (12√2)(12√2) = 288 units²Option D is correct.
What is the perimeter of a triangle with vertices at (2, 3) (4, -1) and (-1, -5)?
Answer:
Step-by-step explanation:
Find the zeros of the function f (x) = 4x^2-16
Answer:
x=-2
x=2
Step-by-step explanation:
We can think of this equation like a statement
"4 times what squared minus sixteen is equal to zero"
First, we need to rearrange the equation:
[tex]4x^2=16[/tex]
Now using our common knowledge, we know that 4 times 4 is equal to 16
now we have another statement:
"x times x is going to be equal to 4"
*Remember that the two numbers have to be the same since x is squared*
Again, we can use common knowledge and say that 2x2 is equal to 4
This means that x=2
Now when you square a variable, the variable can have to values, a positive, and a negative value
So in this case, the other value for x would be x=-2 since -2 squared is also equal to 4
So we can come to a conclusion that
x=2
AND
x=-2
Need help on this question ASAP pleasee and thank you (:
HELPPPP
F(x)=-x^2-3x+1
The quadratic function, f(x )or g(x) has the greater maximum value ??
Answer:
The quadratic function, f(x) has the greater value.
Step-by-step explanation:
The given function written to us is in standard form, meaning it is easy to graph this function.
Since this function is going to open down-ward, we start with negative numbers.
[tex]f(-1)=3\\[/tex]
Since 3 is a greater value than 2, which we can see is the maximum value of g(x) by viewing the graph, f(x) is greater.
There are 16 girls in the
class. This represents 20%
of the class. How many
total students are there
Answer:
80 total students
Step-by-step explanation:
hope this helps!
Answer:
80
Step-by-step explanation:
If 16 is %20 then it represents 1/5 of the class. Multiply 16 x 5 = 80
Which can be the first step in finding the equation of the line that passes through the points (5, negative 4) and (negative 1, 8) in slope-intercept form?
Calculate StartFraction 8 minus (negative 4) Over negative 1 minus 5 EndFraction = StartFraction 12 Over negative 6 EndFraction = negative 2..
Calculate StartFraction negative 1 minus 5 Over 8 minus (negative 4) EndFraction = StartFraction negative 6 Over 12 EndFraction = negative one-half..
Find that the point at which the line intersects with the line y = 0 is (3, 0).
Find that the point at which the line intersects with the line x = y is (2, 2).
Answer:
Step-by-step explanation:
its A :)
Answer= y=2x+6
The slope-intercept form of an equation of a line: y=mx+b
m - slope
b - y-intercept
We have the points (5, -4) and (-1, 8). Substitute:
m= [tex]\frac{8-(-4)}{-1-5}[/tex] =[tex]\frac{12}{-6}[/tex] =-2
Put the value of the slope and the coordinates of the point (5, -4) to the equation of a line,
-4=-2(5)+b
=-10+b
6=b
y=2x+6
what is 1/10 + 1/3 and simplify it
Answer:
[tex] \frac{13}{30} [/tex]
Step-by-step explanation:
Reduce the fractions to having a common denominator (find the L.C.M. of 10 and 3).
[tex] \frac{1}{10} + \frac{1}{3} [/tex]
[tex] = \frac{1 \times 3}{10 \times3} + \frac{1 \times 10}{3 \times 10} [/tex]
[tex] = \frac{3}{30} + \frac{10}{30} [/tex]
[tex] = \frac{13}{30} [/tex]
need help can anyone help
Answer:
1: 23
2: 15/3 which reduces to 5
3: 12/4 which reduces to 3
Step-by-step explanation:
used a calculator
The total remodeling budget for Central Square Tower is 1.5×106 dollars. The owners of the building have set aside 6×105 dollars for upgrading just the lobby. What percent of the budget will be spent on the lobby? Write your answer in standard form. Do not write exponents.
Answer:
40%
Step-by-step explanation:
assuming you actually mean 10^5 and 10^6, to find percentages you do
part/total x percent/100
you have (6x10^5/1.5x10^6) x (x/100)
cross multiply, and you have 6x10^7=1.5x10^6x
divide on both sides by 1.5x10^6
x=40
so the answer is 40%
please help me ASAP please help me with my homework please solve this please both Problem A and B please I beg you
Answer:
A.
1. x = -5
2. x = -1
3. x = -2
4. x = 25/9
5. x = 1
B.
1. x ≤ 2
2. - 3≤ x ≤ 6
3. x ≤ 2
4. x ≤ 33/2
5. x ≤ 17/3
Step-by-step explanation:
Brainliest me please I answer it!!
A.
1. 5x + 12=2x-3
5x-2x= -12-33x/3= -15/3x = -52. 3x+6= -2x+1
3x+2x= -6+15x/5= -5/5x= -13. (x/2-4x=7)x2
2(x/2) - 2(4x)=7x2x-8x=14-7x/-7=14/-7x= -24. 1.4x - 0.4x=6.2+3.8
1x/1=10/1x=105. 5x-10+2x=7x+28-38
5x+7x-10=7x+28-3812x-10=7x+28-3812x-7x=28+10-385x=38-385x/5=0/5x=0B.
1. 2x/2 ≤ 4/2
x=22. 2x+3 > -3
2x+3< 15
x= -3x= 6X=(-3,6)3. 5x-4 >6
5x>6+45x/5 >10/5x >24. (2x./3+1/2>x-5)x6
6(2x/3)+6(1/2) > 6(x-5)4x+3 > 6x-304x-6x>-30-3-2x/-2 > -33/-2x< 33/25. 0.8+0.6x ≥4.2
0.6x≥4.2-0.80.6x/0.6 ≥3.4/0.6x= 5.666666667