2 years ago

A woman runs 40 laps around a track in 20 minutes. What’s the unit rate?

Mathematics

1 answer:

Over [174]2 years ago

5 0

Answer:

2, 2/1, 4/2, 6/3, you get it, it is the y=2x

Step-by-step explanation:

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There is a group of 5 turtles near the playground. More turtles joined. Now there are 13 turtles. How many turtles joined the gr

ivann1987 [24]

Answer:

8 turtles joined the group

Step-by-step explanation:

13-5=8

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2 years ago

Which of the following correctly expresses the number below in scientific notation?

Dafna11 [192]

The answer is E. $7.09*10^5$

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3 years ago

Find the product of 2x^4(4x^2 + 3x + 1).

lianna [129]

We want to find the product:

$\displaystyle{ 2x^4\cdot(4x^2 + 3x + 1)$ .

By the $\text{Distributive property}$ , we distribute $2x^4$ over each of the three terms inside the parenthesis:

$\displaystyle{ 2x^4\cdot(4x^2 + 3x + 1)=2x^4\cdot4x^2+2x^4\cdot3x+2x^4\cdot1$ .

Multiplying the coefficients, and adding the exponents we get:

$8x^6+6x^5+2x^4$ .

Answer: $8x^6+6x^5+2x^4$ .

5 0

3 years ago

Leo has $4.80 in dimes a d quarters he has 6 more dimes than quarters how many quarters does he have

Kryger [21]

Answer:

Step-by-step explanation:

he has 4.80 in dimes and quarters....dimes (d) are worth 0.10 and quarters (q) are worth 0.25

0.10d + 0.25q = 4.80

he has 6 more dimes then quarters

d = q + 6

====================

d = q + 6...so we sub q + 6 in for d, back into the other equation

0.10(q + 6) + 0.25q = 4.80

0.10q + 0.60 + 0.25q = 4.80

0.35q = 4.80 - 0.60

0.35q = 4.20

q = 4.20 / 0.35

q = 12 <====== there is 12 quarters

d = q + 6

d = 12 + 6

d = 18 <===== there is 18 dimes

6 0

3 years ago

Read 2 more answers

2 candy bars cost $.98 at this rate how much do 5 candy bars cost? I NEED ASAP

alisha [4.7K]

Answer:

2.45$

Step-by-step explanation:

98/2 =49

49x5 equals 2.45

7 0

2 years ago