Bart drove 140 miles in 2 1/2 hours. What was Bart's average speed in miles per hour

Answers

Answer 1

Answer: average speed = distance/time so=140/2.5=56 mph

Answer 2

Answer: I agree 56mph - speed= distance
Time

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Arrange numbers to form equivalent fractions. Find two ways to solve each puzzle. Use each number once in each sentence. 3,4,2,6

Answers

4/2=6/3
which basicly ia 2=2
and
3×4=6×2
which is 12=12

What is the fraction 36/80 expressed in lowest terms?

Answers

36=3^2*2^2
80=2^4*5
The commonalities between the two are 2^2, meaning you can eliminate 4 from both the numerator and denominator. Dividing them by 4, makes the new fraction 9/20

Number 4 please ((: ....

Answers

If i am correct a would be 1.5 hous of comedy videos recorded
b might be 5.5 hours
c might be 6 sittings of half an hour
so if i got all this correct
a=1 and a half hours
b=5 and a half hours
c= 6 sittings

Factor completely 2x3 + x2 - 18x – 9.

Answers

$2x^3+x^2-18x-9=x^2(2x+1)-9(2x+1)\n\n=(2x+1)(x^2-9)=(2x+1)(x^2-3^2)\n\n=(2x+1)(x-3)(x+3)$

The completelyfactoredform of 2x³ + x² - 18x - 9 is (2x + 1)(x - 3)(x + 3).

We have,

To factor completely the expression 2x³ + x² - 18x - 9, we can follow these steps:

- Step 1: Group the terms in pairs:

(2x³ + x²) + (-18x - 9)

- Step 2: Factor out the greatest commonfactor from each pair:

x²(2x + 1) - 9(2x + 1)

- Step 3: Observe that we have a common binomial factor of (2x + 1).

Factor it out:

(2x + 1)(x² - 9)

- Step 4: The binomial (x² - 9) is a difference of squares and can be further factored as:

(2x + 1)(x - 3)(x + 3)

Therefore,

The completelyfactoredform of 2x³ + x² - 18x - 9 is (2x + 1)(x - 3)(x + 3).

Learn more about expressions here:

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What is the exact amount for $\pi$

Answers

There is none exact amount for pi, but there are websites where you can find e.g. first million digits of pi number :) Usually pi is taken as 3.14 or 3.1415 for more accurate results.

3.14159265358979323846264338327950288419716939937510582097494

There are more numbers to go along with this
.

Diagram does not make sence

6 divided by 2/5 in a diagram

Answers

Answer:

I got 15.

Step-by-step explanation:

I used a calculator and 6 / (2/5) = 15

I got 15 too. 6 ÷ (2 ÷ 5) = 15

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How can you figure someone age for exampleEvelyn was 9 when her brother Victor was born. Which equation tells you how to find Evelyn's age if you know Victor's age?e=Evelyn's age v=victor's age A. e=v+9B. v=e+9C. e=v-9D. e+v=9