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3 years ago

15

Lisa knit 3/12 foot of a scarf on Saturday. She knit 8/12 foot of a scarf on Sunday.

1 answer:

Vesna [10]3 years ago

7 0

Answer:

C - 5/12 of a foot

Step-by-step explanation:

Subtract the numerators from 8/12 - 3/12 - keeping the denominator

8 - 3 = 5

5/12

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Can somebody please help 4=-0.8n

storchak [24]

4 = -0.8n

To find n divide both sides by -0.8:

n = 4 / -0.8

n = -5

5 0

3 years ago

Read 2 more answers

Find<br>a,b<br>such<br>that 7.2, a, b, 3 are in A.P.

leonid [27]

Answer:

The value of a = 5.8

The value of b = 4.4

Step-by-step explanation:

Given

7.2, a, b, 3 are in A.P

$2a = 7.2+b$

$b = 2a - 7.2$

as

a, b, 3 are also in A.P

$2b\:=\:a\:+\:3$

Putting $b = 2a - 7.2$

$2\left(2a-7.2\right)=a+3$

$4a-14.4=a+3$

$\mathrm{Add\:}14.4\mathrm{\:to\:both\:sides}$

$4a-14.4+14.4=a+3+14.4$

$4a=a+17.4$

$4a-a=a+17.4-a$

$3a=17.4$

$\mathrm{Divide\:both\:sides\:by\:}3$

$\frac{3a}{3}=\frac{17.4}{3}$

$a=5.8$

Now, plugging $a=5.8$ in $b = 2a - 7.2$

$b=2\left(5.8\right)-7.2$

$b=2\cdot \:5.8-7.2$

$b=11.6-7.2$

$b=4.4$

Therefore,

The value of a = 5.8

The value of b = 4.4

4 0

3 years ago

Find the area of the triangle below

Vitek1552 [10]

Answer:

c

Step-by-step explanation:

9.9 times 4.4 divide by two

7 0

2 years ago

Six Flags Amusement Park has found that 3/5 of its customers ride the Colossus roller coaster. Of these, 1/4 ride it again. What

QveST [7]

Answer:

The answer is B. 3/20

Step-by-step explanation:

That will be 1/4 of 3/5

3/5 × 1/4

3/20

3 0

3 years ago

After hiking at the top of the mountain, Mark starts to descend at the rate of 150 ft per hour. What is his vertical change afte

Gnom [1K]

Answer:

225 feet

Step-by-step explanation:

That would be 150 * 1.5

= 225 ft

7 0

3 years ago