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2 years ago

0.75s - 5/8s = 44 , combine like terms

1 answer:

6 0

.12s = 44

To get this answer, you can convert either the decimal or fraction. I converted the fraction into a decimal.

5/8 as a decimal is .625 but rounded up is .63. With this, you can subtract .75 and .63 to get the final answer of .12.

This would combine the like terms.

Hope this helps!

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3. To pay back a loan, Lauren makes 7 payments, each in the same amount. Her cousin Hilary made 5 payments, each in the same amo

ANEK [815]

Answer:

The answer is C

Step-by-step explanation:

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2 years ago

27 solid iron spheres, each of radius 'xcm'ate melted to form a sphere with radius 'ycm',find the ratio x:y

r-ruslan [8.4K]

Answer:3:1

Step-by-step explanation:

Given

There are 27 solid spheres of radius x cm

The volume of a sphere is $\frac{4}{3}\pi r^3$

The volume of 27 old spheres is the same as the volume of a new sphere

The volume of the old spheres is

$V_o=\dfrac{4}{3}\pi x^3$

The volume of a new sphere is

$V_n=\dfrac{4}{3}\pi y^3$

Now, $V_o=V_n$

$\Rightarrow 27\times \dfrac{4}{3}\pi x^3=\dfrac{4}{3}\pi y^3\\\\\Rightarrow (\dfrac{x}{y})^3=27\\\\\Rightarrow \dfrac{x}{y}=3$

7 0

2 years ago

A length of string that is 240 cm long is cut into three pieces the second piece is 25% longer than the first piece the third pi

Tresset [83]

Hey there,
Let's say that the first piece is x cm
1st = x
2nd = x + 25%
3rd = x - 25%
100% = 240 cm
1% = 240 / 100
= 2.4cm
x + x + 25 + x - 25 = 100
3x + 25 - 25 = 100
3x = 100 - 25 + 25
3x = 100
3x = 240 cm
x = 240 / 3
= 80 cm
1st piece = 80 cm
2nd piece = 80 + (25% x 80)
= 80 + 20
= 100cm
3rd piece = 80 cm - (25% x 80)
= 80 cm - 20
= 60cm

Hope this helps :))

<em>~Top♥</em>

6 0

2 years ago

Read 2 more answers

Please help me also explain your answer so I can get better at this thank you :)

Elina [12.6K]

Answer: 880

Explanation: 132/0.15 = 880 sry it wasnt thorough explanation i dont have time

6 0

2 years ago

Read 2 more answers

A flagpole is at the top of a building. 300 feet from the base of the building, the angle of elevation of the top of the pole is

Grace [21]

Answer: We can use tangent here to find the length of the flagpole

First, find the length of the building + the flag pole

tan 32 = x/300

x=300tan32=187.460805573

(length of building + flagpole)

find length of building

tan 30 = x/300

x=173.205080757

subtract

187.460805573-173.205080757=14.255724816

round, length of flagpole = 14 feet

7 0

3 years ago