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Alex73 [517]
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?
Mathematics
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

5 0
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?
dsp73
<span>Brad rides his bike 20 km. He covers the distance in 45 minutes (0.75 hours). What is his speed in kilometers per hour? A.44 km/hr B.15 km/hr C.9.0 km/hr D.27 km/hr

</span>
6 0
3 years ago
Read 2 more answers
PLS HELP WORH THE LAST ONE TYSM PLS ANSWER WITH AN EXPLANATION TYSM
boyakko [2]

Answer:

Divide

0.3464 by 0.21 .1.6495238

Step-by-step explanation:

3 0
2 years ago
Solve the rational equation x/5 = x^2/x+2 and check for extraneous solutions.
gtnhenbr [62]

Answer:

x

Step-by-step explanation:

6 0
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

Subtract three and 8x from both sides

2x=18

Divide by two

x=9

Hope this helped!
6 0
3 years ago
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