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Tpy6a [65]
3 years ago
5

Mary can build 2 sand castles ( c ) in 4 hours ( t ). Write an equation in the form of c=rt that represents the relationship bet

ween the number of sand castles (c) and time (t), where r is the constant of proportionality.
Mathematics
1 answer:
wariber [46]3 years ago
8 0
2 = r(4)
To find r, you've gotta divide it out.
2/4 = r/4
1/2 or 0.5 = r

c=(0.5)t
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8 0
3 years ago
Plzz help its so confusing
JulsSmile [24]

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6 0
2 years ago
Graph the line y=−3x+b if it is known that the graph goes through point:
Gemiola [76]

Answer:

А(0/6;-2) и B(-5.6;17)

Step-by-step explanation:

(-2;4) поставь координаты место (x;y)

Например: 4=-3*(-2)+b, найдите b, а затем нарисуйте график.

Я отправила вам фото. Там всё написано и график тоже

8 0
3 years ago
Who made an error? <br> The correct scale factor= ?
Ostrovityanka [42]

Answer:

reggie made an error

the correct scale factor is 2/3

Step-by-step explanation:

we want to get from A to A', B to B', and ultimately C to C'

to get there, we must multiply each value in each point by the scale factor.

let's start out with reggie's scale factor. he multiplies each value in C by 3/2 to get to C'. we can try this out with one point, e.g. A

for A: 3/2 * (-12, -6) = (-18, -9). this is not A' = (-8, -4)! thus, 3/2 cannot be the scale factor

now, onto hillary's scale factor of 2/3

for A: 2/3 * (-12, -6) = (-8, -4). this is A'! thus, hillary is correct and reggie made an error

the correct scale factor is thus hillary's: 2/3

4 0
1 year ago
A 3-pound bag of bananas costs $2.88. What is the price per ounce?
Alborosie

Answer: 6 cents

Step-by-step explanation:

1 pound = 16 ounces

3 pounds = 48 ounces

2.88 ÷ 48 = 0.06

0.06 = 6 cents.

One ounce of bananas cost 6 cents.

Hope this helps!

4 0
3 years ago
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