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2 years ago

13

John needs to make a total of 35 deliveries this week. So far he has completed 28 of them. What percentage of his total deliveri

es has John completed?

1 answer:

lukranit [14]2 years ago

6 0

Answer:

80%

Step-by-step explanation:

28/35=4/5

4/5=0.80

0.80=80%

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The dimensions of a portable kennel can be expressed as width x, length x + 0.4, and height x − 0.2? What are the dimensions of

horsena [70]

Answer:

$L=2.3\ ft\\W=1.9\ ft\\H=1.7\ ft$

Step-by-step explanation:

we know that

The volume of a portable kennel (rectangular prism) is equal to

$V=LWH$

where

$L=(x+0.4)\ ft\\W=x\ ft\\H=(x-0.2)\ ft$

$V=7.4\ ft^3$

substitute the given values in the formula of volume

$7.4=(x+0.4)(x)(x-0.2)$

Apply distributive property right side

$7.4=x(x^2-0.2x+0.4x-0.08)$

$7.4=x(x^2+0.2x-0.08)$

$7.4=x^3+0.2x^2-0.08x$

$x^3+0.2x^2-0.08x-7.4=0$

Solve the cubic equation by graphing

using a graphing tool

The solution is x=1.9

see the attached figure

Find the dimensions

substitute the value of x

$L=(1.9+0.4)=2.3\ ft\\W=1.9\ ft\\H=(1.9-0.2)=1.7\ ft$

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3 years ago

Mike is doing a bicycle race. He rides his bike 20 kilometers in 0.8 hours how many kilometer can he do in one hour?

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3 years ago

Read 2 more answers

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Step-by-step explanation:

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2 years ago

Solve the rational equation x/5 = x^2/x+2 and check for extraneous solutions.

gtnhenbr [62]

Answer:

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Step-by-step explanation:

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3 years ago

m∠AOB = 6x + 5, m∠BOC = 4x - 2, m∠AOC = 8x + 21

AnnZ [28]

The sum of angle AOB and angle BOC is equal tot he angle of AOC so

6x+5 +4x-2 = 8x+21

10x+3=8x+21

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2x=18

Divide by two

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Hope this helped!

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3 years ago