Answer:
8.4
Step-by-step explanation:
8 is a whole njmber, so it stays the same.
2/5 is equivalent to .4, so you put that at the end.
Your answer is 8.4 Hope this helps!
The decimal number is 8.4.
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
8(2/5)
= (8 x 5 + 2) / 5
= (40 + 2) / 5
= 42/5
= 8.4
Thus,
The decimal number is 8.4.
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ5
Using inductive reasoning, determine the next two terms in each sequence. -3, 5, -7, 9, , A, C, F, J, , Blank 1: Blank 2: Blank 3: Blank 4:
Answer:
A = -11
C = 13
F = -15
J = 17
Step-by-step explanation:
Inductive reasoning is the use of observations to draw a conclusion.
The sequence of numbers in this problem is:
-3, 5, -7, 9, ...
A pattern is observed and that pattern is:
(n + 1) th term = |nth term| + 2 (with alternating negative signs)
for instance if (n+1)th term = 2nd term; nth term = 1st term
2nd term = |1st term| + 2
2nd term = |-3| + 2 = 5 (no negative sign since previous term had negative)
-3rd term = |5| + 2 = -7 (negative sign because the previous term was positive)
4th term = |-7| + 2 = 9 (no negative sign since previous term had negative)
-5th term (A)= |9| + 2 = - 11 (negative sign because the previous term was positive)
6th term (C) = |-11| + 2 = 13 (no negative sign since previous term had negative)
if you use the same sequence for F and J, you will get:
F = -15
J = 17
you should try them out to see if you will get the same solution.
a garden is in the shape of a rhombus whose each side is 15 and it's one of two diagonal each 24 find the area of Garden
Answer:
Hey there!
A=[tex]0.5p\sqrt{4a^2-p^2}[/tex]
A=216
Hope this helps :)
POLYNOMIALS
1. Find a quadratic polynomial whose zeroes are 3 and -5
Answer:
y = x² + 2x - 15
Step-by-step explanation:
Given the zeros are x = 3 and x = - 5 then the factors are (x - 3) and (x + 5)
The polynomial is then the product of its factors, thus
y = (x - 3)(x + 5) ← expand using FOIL
y = x² + 2x - 15
side length of 216 cubic yards
Answer:
6 yards
Step-by-step explanation:
a³ = 216
a = ∛ 216
= 6 yards
Answer:
6 yards
Step-by-step explanation:
The volume of a cube can be found using the following formula.
[tex]v= s^3[/tex]
We know the volume is 216 cubic yards, so we can substitute 216 yd³ in for v.
[tex]216 yd^3=s^3[/tex]
We want to find the side length. Therefore, we must isolate the variable, s, on one side of the equation.
s is being cubed. The inverse of cubed is the cube root. Take the cube root of both sides of the equation.
[tex]\sqrt[3]{216 yd^3}=\sqrt[3]{s^3}[/tex]
[tex]\sqrt[3]{216yd^3}=s[/tex]
[tex]6yd=6[/tex]
The side length of the cube is 6 yards.
It takes a bus 6 hours to take a trip. The train takes only 4 hours to make the same trip. The train travels at a rate of speed that is 25 mph more than the speed of the bus. What is the rate of the bus and the rate of the train? State what x represents, state the equation, and then state the answer.
Answer:
x represents the trip distance.
x = 300 miles
Rate of bus = 50 mph
Rate of train = 75 mph
Step-by-step explanation:
Let the trip distance be x miles.
[tex] \because \: speed = \frac{distance}{time} \\ time \: taken \: by \: bus \: to \: complete \: \\ the \: trip \: = 6 \: hours \\ \therefore \: speed \: of \: bus = \frac{x}{6} \: mph \\ \\ time \: taken \: by \: train \: to \: complete \: \\ the \: same \: trip \: = 4 \: hours \\ \therefore \: speed \: of \: train = \frac{x}{4} \: mph \\ \\ \because \: \: speed \: of \: train \\ =speed \: of \: bus \: + 25 \: mph \\ \therefore \: \frac{x}{4} = \frac{x}{6} + 25 \\ \\ \therefore \: \frac{x}{4} - \frac{x}{6} = 25 \\ \\ \therefore \: \frac{6x - 4x}{4 \times 6} = 25 \\ \\ \therefore \: \frac{2x}{24} = 25 \\ \\\therefore \: \frac{x}{12} = 25 \\ \\ \implies \: x = 25 \times 12 \\ \implies \: x =300 \: miles \\ \\ rate \: of \: bus = \frac{x}{6} = \frac{300}{6} = 50 \: mph\\ \\ rate \: of \: train = \frac{x}{4} = \frac{300}{4} = 75 \: mph[/tex]
write the polynomial the product and sum of whose zeroes are -9/2 and-3/2
Answer:
y = 2x² + 3x - 9
Step-by-step explanation:
Given αβ = - [tex]\frac{9}{2}[/tex] = [tex]\frac{c}{a}[/tex]
and α + β = - [tex]\frac{3}{2}[/tex] = - [tex]\frac{b}{a}[/tex]
Then a = 2, b = 3 and c = - 9, thus
y = 2x² + 3x - 9
Can someone help me with part a?
Answer:
[tex]F(x)=\left\{\begin{array}{cl}15(40-x)&\text{if $0<x<40$}\\0&\text{if $40\le x\le65$}\\15(x-65)&\text{if $x>65$}\end{array}\right.[/tex]
Step-by-step explanation:
(a) For x below 40, the number of miles per hour below 40 is (40-x). Then the fine for that speed is 15(40 -x).
For x between limits, the fine is zero.
For x above 65, the number of miles per hour above 65 is (x-65). Then the fine for that speed is 15(x -65).
[tex]F(x)=\left\{\begin{array}{cl}15(40-x)&\text{if $0<x<40$}\\0&\text{if $40\le x\le65$}\\15(x-65)&\text{if $x>65$}\end{array}\right.[/tex]
what is: −6 − (−4)? i need to know
Answer:
-2
Step-by-step explanation:
-6-(-4)
-6+4
-2
Answer:
-2
Step-by-step explanation:
Make it simpler: -6 + 4-6 + 4 = -2Why:
When you subtract a negative, it automatically becomes a positive. That's why when we were making it simpler above, we canceled out the two minus signs (subtractions sign and negative sign) to make a positive 4. That's why we added a positive instead of subtracting a negative.A negative plus a positive will get bigger. That's why -6 + 4 = -2. The -2 is larger than -6 when you look at it on a number line. It's closer to 0 and the positives.Max drove 460 miles in 8 hours at a constant speed. How long would it take him to drive 661.25 miles at that speeds?
Answer:
106
Step-by-step explanation:
Sksjwisjsjsoansnsan just to get points so give it a thanks thing ty
Answer:
x=11.5hours
Step-by-step explanation:
661.25miles÷57.5mph=11.5hours
point w is on line segment VX. Given vx=4x, vw=3x and wx=5 determine the numerical length of vx
Answer:
Numerical length of VX = 20
Step-by-step explanation:
Given that VX is a line segment which has a point W on it.
Kindly refer to the attached diagram for the given points.
We are also given the following dimensions:
[tex]VX=4x\\VW=3x\ and \\WX=5[/tex]
To find:
Numerical length of VX = ?
Solution:
As we can clearly see from the attached diagram:
[tex]VX = VW + WX[/tex]
Putting the given values:
[tex]4x=3x+5[/tex]
Now, let us solve for [tex]x[/tex] and then will put the value of [tex]x[/tex] back to find the numerical value of VX.
[tex]\Rightarrow 4x-3x=5\\\Rightarrow x =5[/tex]
Now,
[tex]VX = 4 \times x = 4\times 5 =\bold{20}[/tex]
Therefore, numerical value of VX is 20.
- = 0.393 as a fraction?
Answer:
The answer is 393/1000
Step-by-step explanation:
Answer:
131/333 is the correct answer
Step-by-step explanation:
6. A supersonic jet flew 2.000 km to the east in 0.5 hours. Moving at a
constant velocity, it passed an airplane that was traveling at 903 kilometers
per hour. What was the jet's velocity?
Answer:
4000 km/h to the east
Step-by-step explanation:
The supersonic jet's velocity was ...
2000 km/(0.5 h) = 4000 km/h . . . to the east
?
3k12 + 23k4 – 18k? _71
Answer:
Step-by-step explanation:
Something
Which properties can be used to solve 7y − 15 = −29? Select all that apply.
Answer:
addition property of equality
inverse property of multiplication
Step-by-step explanation:
7y − 15 = −29
Add 15 to each side using the addition property of equality
7y -15+15 = -29+15
7y = -14
Divide each side by 7 using the inverse property of multiplication
7y/7 = -14/7
y =2
Answer:
[tex]\Large \boxed{\mathrm{Addition \ Property \ of \ Equality}} \\\\\\ \Large \boxed{\mathrm{Inverse \ Property \ of \ Multiplication}}[/tex]
Step-by-step explanation:
[tex]\sf 7y-15=-29[/tex]
Using the additive property of equality, we add 15 to both sides of the equation.
[tex]\sf 7y-15+15=-29+15[/tex]
[tex]\sf 7y=-14[/tex]
Using the inverse property of multiplication, we divide both sides of the equation by 7.
[tex]\displaystyle \sf \frac{7y}{7} =\frac{-14}{7}[/tex]
[tex]\sf y = -2[/tex]
How many oranges equal 6 cups of juice?
Answer:
1/3
Because 1/3 if divide into two, it'll be 0.5/3 but if the question says that the answer have to be in whole number, that means it must be 1/6.
Answer:12
Step-by-step explanation:
because it will take 2 to make a cup
i Find a rational number between -1/2 and 3/4 ?
Answer:
5/8
Step-by-step explanation:
Find the rational number half way between 1/2 and 3/4
First add 1/2 and 3/4
1/2 + 3/4 = 2/4 + 3/4 = 5/4
Next, divide this sum by 2
5/4 divided by 2/1 = 5/4 * 1/2 = 5/8
5/8 is half from 1/2 and 3/4
1/2 < 5/8 > 3/4
at 7:00 am the temperature in wilton was -6 degrees. by 8:00 am the temperature was 2 degrees. what is the difference in the temperature between 8:00 am and 7:00 am?
Answer:
Step-by-step explanation:
at 7 the temperature=-6
at 8 the temperature=2
difference=8 degree
Answer:
- 8°
Explanation:
→ We write the data problems.
→ in Wilton - 7:00 am ⇒ - 6°
8:00 am ⇒ 2°
What is the difference in the temperature between 8:00 am and 7:00 am?
- 6° - 2° = - 8°
What is the difference between 6^ and ^ 6 ?
Explicit equation:
Recursive:
y = 3x + 7
now = previous term + 3
50
term #
1
2
value
10
13
...
Find the value of the 50th term.
Explanation:
Answer:
50th term = 157
Step-by-step explanation:
Explicit equation for the given table is,
y = 3x + 7
And recursive formula is,
Now = previous + 3
To find the 50th term explicit formula should be used because it will be very difficult to find all 50 terms with the use of recursive formula.
From explicit formula,
y = 3x + 7
y = 3(50) + 7
= 157
Therefore, 50th term of the given table will be 157.
Please help me whoever does it first will get brainliest!!! a) Write a ratio of girls to boys in three ways b) Write an equivalent ratio to the one you wrote in part a. c) Write the ratio of boys to girls in simplest form
Answer:
see below (I hope this helps!)
Step-by-step explanation:
a) There are 20 girls and 16 boys so three different ways to write the ratio could be 20:16, 20 / 16 or, in verbal form, 20 to 16.
b) An equivalent ratio to 20:16 is 10:8, all we do to get this is divide the ratio by 2.
c) Since there are 16 boys and 20 girls, the ratio is 16:20 which simplifies to 4:5.
Can someone please help?
Answer:
odd number
Step-by-step explanation:
as the pattern shows the product of them are odd numbers
Answer:
Hey there!
The product of any two odd numbers is odd.
Hope this helps :)
Solve for c .
A(c+b)=d
answer choices are in the pic
Answer:
A(c+b)=d.
Ac+Ab=d.
Ac=d-Ab.
Divide through by A.
c=d-ab/a.
Option A.
Steps to solve:
a(c + b) = d
~Distribute
ac + ab = d
~Subtract ab to both sides
ac = d - ab
~Divide a to both sides
c = d-ab/a (Option 1)
Best of Luck!
im2 finding angles using algebra
find: m<BEC
Answer:
m<bec = 60
Step-by-step explanation:
3x +2x +x = 180 (combine like terms)
6x = 180 (divide 180 by 6 to get x alone on one side of the equation)
x = 30
BUT you're not done yet because it asked for m<bec which is 2x so you have to multiply 30(2) which is 60
Help please 45³+78-64
Answer:
91267
Step-by-step explanation:
A damaged carpet which cost $180 when new, is sold for $100. What is the percentage loss?
44,(4) %
Step-by-step explanation:$180 ......... 100%
$80 ............. x %
x = 80×100/180 = 8000/180 = 44,(4) %
the percentage loss 44,(4) %
y +2=5
What is the answer?
Answer:
y = 3
Step-by-step explanation:
[tex]y + 2 = 5 \\ y = 5 - 2 \\ y = 3[/tex]
Answer:
y = 3
Step-by-step explanation:
Subtract 2 from each side, so it now looks like this: y = 3Is 7,548,123 rational or irrational
Answer:
irrational number
Step-by-step explanation:
Answer:
I'm pretty sure its rational.
Step-by-step explanation:
Rational, I'm pretty sure is like above negative numbers. Irrational is like negative numbers, and yeah...I could be wrong. But I'm sure its rational.
What type of number is 0.25726?
A) Rational, specifically an integer
B) Rational, not an integer
C) Irrational
Answer:
B. Rational, not an integer
Find the volume of a box with a height that is 4 inches less than the
length and a width equal to the length. Let x represent the length of the
box. (Formula for volume of a rectangular prism: V equals L times W
times H where L is length, W is width, H is height of the rectangular
prism)
Answer:
Volume of the box = x^3 - 4x^2
Step-by-step explanation:
V = L × W × H
Where,
V = volume of the rectangular prism
L= Length
W = Width
H = Height
volume of the rectangular prism = length × width × height
Length = x
Width= length = x
Height = x - 4
V = L × W × H
= x * x * (x - 4)
= x^2 (x - 4)
= x^3 - 4x^2
V = x^3 - 4x^2
Volume of the box = x^3 - 4x^2
4) Given that x is an integar
find the three greatest value
of x which satisfies the lines
inequality 7x < 2x - 13
Answer:
The three greatest are -3, -4, -5
Step-by-step explanation:
7x < 2x - 13
Subtract 2x from each side
7x-2x < 2x-2x - 13
5x < -13
Divide by 5
5x/5 < - 13/5
x < - 2 3/5
Since x is an integer
-3 is the largest integer that fits the inequality
The three greatest are -3, -4, -5