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3 years ago

HELP BRAINLIEST FOR. CORRECT AND ALL ANSWERED ANSWER

Mathematics

2 answers:

UNO [17]3 years ago

8 0

Answer:

Step-by-step explanation:

SpyIntel [72]3 years ago

7 0

Answer:

1. 6/7

2. 1/2

3. 7/10

4. 39/40

5. 15/28

6. 3/10

7. 7/12

8. 1/6

9. 5/12

10. 1/8

Step-by-step explanation:

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Use elimination to solve<br><br> 3y-6x=7-4y-3x=9

Masja [62]

Reorder both sides

3y-6x=9
7-4y-3x=9

Multiply both sides
-6x-3y=9
6x+8y=-4

Dived both sides

11y= 5

Y=5/11

Substitute the value of Y

-3x-4(5/11)

Equals —> -14/11

Answer : (5/11 , -14/11)

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3 years ago

How much paint is needed to paint a house ? Estimate or exact

V125BC [204]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Can someone help me find the volume please

umka2103 [35]

Answer:

See below.

Step-by-step explanation:

The figure is a cone. The formula for the volume of a cone is:

$V=\frac{1}{3}\pi r^2h$

The radius is 4.8 and the height is 2.9. Substitute:

$V=\frac{1}{3}\pi (4.8)^2(2.9)$

Use a calculator:

$V\approx69.97\text{ km}^3$

And we're done!

5 0

3 years ago

Identify the volume of a cone with base area 64π m2 and a height 4 m less than 3 times the radius, rounded to the nearest tenth.

melomori [17]

V=basearea times 1/3 times height
basearea=6<span>4π m2
hmm, they try to make it difficult

basearea=circle=pir^2
pir^2=64pi
divide by pi
r^2=64
sqrt
r=9

h is 4 les than 3 time r
h=-4+3(8)
h=-4+24
h=20

v=1/3*64pi*20=1280pi/3 m^3=1350.4

C
</span>

4 0

4 years ago

Anser number 6 for me so i kan get a better grade

Arlecino [84]

Answer:

Rita is left with approximately $\$ 4$