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Alchen [17]
3 years ago
12

Lauren finished doing 2/7 of her homework in an hour and a half. What is the unit rate at which she did her homework?

Mathematics
1 answer:
stiks02 [169]3 years ago
8 0

The unit rate is basically her progress every hour so...

1.5 hours  = 2/7

1 hour = 2/7 x 2/3 = 4/21

answer: 4/21 per hour

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Lee's family had a garden in the shape of a right triangle. the total area of the garden is 16 square feet. if they expand the g
lana [24]
Area of right-angled triangle  is given by;

Area, A = 1/2 *b*h, Where b=base, h=height

Therefore,

A1 = 1/2bh = 16 in^2
A2 = 1/2 (2b)(2h) = 2bh

Ratio of increase = A2/A1 = {2bh}/(1/2bh} = 4 (the area is increased 4 times)
The,
A2 = 4*16 = 64 in^2
Therefore,
The area is increased by (64-16) = 48 in^2
5 0
3 years ago
Given f(x) = 2^x and g(x)=x+1, (fog)(x)=​
mixas84 [53]

Answer:

(f ○ g)(x) = 2^{x+1}

Step-by-step explanation:

Substitute x = g(x) into f(x) , that is

(f ○ g)(x)

= f(g(x))

= f(x + 1)

= 2^{x+1}

3 0
3 years ago
Read 2 more answers
PLEASE PLEASE HELP ME!
Sladkaya [172]

Answer:

y=3/4m

Step-by-step explanation:

All proportional relationships have the form y=mx where m is the rate of change from the families donations x to the business donations y. We can find the rate of change m by substituting values we already know. We know when x=$12 then y=$9.

9=m*12

We solve for m by dividing by 12 on both sides.

m=9/12

This simplifies to 3/4 so

m=9/12=3/4.

The equation is y=3/4m

3 0
3 years ago
What expression is equivalent to 5(a + a + a )
Alecsey [184]

Answer:

15a

Step-by-step explanation:

Because   5(a + a + a)  =  5 * (3a) = 15a

5 0
3 years ago
Read 2 more answers
Hiii please help! i’ll give brainliest if you give a correct answer tysm!
lawyer [7]

Answer:

1/5

Step-by-step explanation:

The volume is found by multiplying the height, width, and length. So to find the height, you need to divide 1/100 by 1/4 and 1/5.

1/100 divided by 1/5 = 1/20

1/20 divided by 1/4 = 1/5

Hope this helps :)

8 0
3 years ago
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