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3 years ago

6

A caterpillar moves across the grass at a rate of 423 feet every 7 minutes. How fast does the caterpillar move in feet per minut

e?

1 answer:

bija089 [108]3 years ago

7 0

If it moves 423 feet in 7 minutes, you divide 423 by 7 to see how much it moves per minute, which is Around 60.4 feet per minute

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5x−4y=34<br> −x+8y=22<br> elimination

Brut [27]

Answer:

The solution to the system of equations is:

$x=10,\:y=4$

Step-by-step explanation:

Given the system of equations

$\begin{bmatrix}5x-4y=34\\ -x+8y=22\end{bmatrix}$

Multiply -x+8y=22 by 5: -5x+40y=110

$\begin{bmatrix}5x-4y=34\\ -5x+40y=110\end{bmatrix}$

so adding the equations

$-5x+40y=110$

$+$

$\underline{5x-4y=34}$

$36y=144$

solve 36y = 144 for y:

$36y=144$

divide both sides by 36

$\frac{36y}{36}=\frac{144}{36}$

Simplify

$y=4$

For 5x-4y=34 plug in y=4

$5x-4\cdot \:4=34$

$5x-16=34$

Add 16 to both sides

$5x-16+16=34+16$

Simplify

$5x=50$

Divide both sides by 5

$\frac{5x}{5}=\frac{50}{5}$

Simplify

$x=10$

Therefore, the solution to the system of equations is:

$x=10,\:y=4$

3 0

3 years ago

PT= 5x+3 and TQ= 8x -6 <br> What is PT=

atroni [7]

8x because 5 plus 3 is eaght and you dont know what x equals so you just put it behind the number

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4 years ago

Molly is converting 2 yards to millimeters. Will the number of millimeters be fewer than or greater than 2?

ololo11 [35]

Greater than.

yards are a larger unit of measurement, so to convert it there are more millimeters to count the same amount of space.

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3 years ago

A cyclist travels 5.8 km in 30 minutes. <br> What is his average speed in km/h?

Sauron [17]

Answer:

11.6km/h

Step-by-step explanation:

multiply 30 min by 2 to get to an hour

multiply 5.8 by 2 to get to km per hour

4 0

3 years ago

Read 2 more answers

Hello I'm Chloe Can you help me, Thank you :)

andrew-mc [135]

Answer:

b is correct

Step-by-step explanation:

3 0

3 years ago