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3 years ago

The distance Grayson hikes VARIES DIRECTLY with how long it takes him. Write the EQUATION that matches this situation.

Mathematics

2 answers:

pickupchik [31]3 years ago

6 0

This makes no sense can u say it again

MArishka [77]3 years ago

3 0

Answer:

d=ct

Step-by-step explanation:

Let d be the distance Grayson hiked. Let t be the time he took for this hiking.

Given, d is directly proportional to t,

=> d = ct, where c is the constant of proportion.

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-5+2(10b-2)=31 need help thanks!

Contact [7]

Answer:

$\Large \boxed{b=2}$

Step-by-step explanation:

-5+2(10b-2)=31

Expand brackets.

-5+20b-4=31

-9+20b=31

Add 9 on both sides.

20b=40

Divide both sides by 20

b=2

8 0

4 years ago

Read 2 more answers

Find the slope of a line perpendicular to 3x + 5y = 15.

Zielflug [23.3K]

Answer:

B)5/3

Step-by-step explanation:

"3x + 5y = 15."

Rewrite in slope-intercept form.

The slope-intercept form is

y=mx+b

where m is the slope and b is the y-intercept.

y=mx+b

Subtract 3x from both sides of the equation.

5y=15−3x

Divide each term by "5" and simplify.

5y/5=15/5−3x/5

"5" and "5" cancel each other out

Divide 15 by 5

y=3-3x/5

Reorder 3 and −3x/5

y=-3x/5+3

Rewrite in slope-intercept form.

y=−3/5x+3

Slope:-3/5

The equation of a perpendicular line to y=−3x/5+3 must have a slope that is the negative reciprocal of the original slope.

<em>m</em>perpendicular=−1/(−3/5)

Simplify the result.

mperpendicular=5/3

hope this helps!

8 0

3 years ago

a school principal orders 75 boxes of chalk. Each box has 12 stick of chalk. The school has 23 teachers. Does the principal have

Darina [25.2K]

So there is 75 boxes of 12 right? You would figure out how much sticks you have by multiplying then you have to give them to 23 teachers. You take the total of sticks and divide among each teacher

I hope this helps :)

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3 years ago

9. Find P(rolling 1 or 5) with one number cube.

marta [7]

Answer:

1/3

Step-by-step explanation:

There are 6 possible outcomes when rolling 1 die

1,2,3,4,5,6

P ( 1 or 5) = number of times 1 or 5 happens / total outcomes

= 2/ 6

= 1/3

6 0

4 years ago

Find the exact volume of the cylinder.

Verizon [17]

Answer:

$\boxed {\boxed {\sf C. \ 200 \pi \ ft^3}}$

Step-by-step explanation:

We are asked to find the volume of the cylinder. The formula for calculating a cylinder's volume is:

$v= \pi r^2 h$

We know the height of the cylinder is 8 feet. We are given the diameter, the distance from edge to edge through the center. We want to find the radius, the distance from the edge to the center.

The radius is half the diameter.