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andrezito [222]
3 years ago
15

4(n + 6) = 4n + 8(n + 13) Question 7 options: 10 -7/8 8 -10

Mathematics
1 answer:
Anni [7]3 years ago
5 0
Ur answer is -7/8 that's ur answer
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Help someone pls ASAP
ELEN [110]

Answer:

G

Step-by-step explanation:

7 0
3 years ago
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if mr sulivan drove 7hrs within 385 miles and then he drives 3 hrs in the distance of 165 miles is the amount of time of the two
ehidna [41]

the amount of time of the two trips is a proportional relationship

<h3>What is proportional relationship?</h3>

mathematical expressions are said to be proportional if there unit rate are equal. this means that the expressions will give similar results when similar values are substituted into the equation.

<u>solution:</u>

Driving 7 hrs within 385 miles represents a unit rate of 385 / 7 = 55 miles per hour or 55 mph

while 3 hrs in 165 miles represents a unit rate of 165 / 3 = 55 mph

since both situations gave similar speed in miles per hour they are said to have a proportional relationship.

Read more on proportional relationship here: brainly.com/question/12242745

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6 0
1 year ago
Find the total surface area of these solids
12345 [234]
<h2>Step-by-step explanation:</h2><h3>We firstly find the surface area of only one face of the cube:</h3><h3>Sa=a²</h3><h3>Sa=1.2²cm</h3><h3>Sa=1.44cm²</h3>

<h2>Since the cube has 6 faces we multiply the surface area of one face(144cm²) with 6</h2>

Area(cube)=1.44cm²*6

=8.64cm²

<h2>Same thing with the prism but we have to find the area of one of his triangle face and rectangle face</h2>

S(triangle)=5mm*4mm*1/2

=10mm²

S(rectangle)=7mm*5mm=35mm²

<h2>The prism has 2 triangle faces and three rectangle faces so we multiply the area by those numbers and then we add those together to get the final area</h2>

S=10mm²*2+35mm²*3

S=20+105

S=125mm²

<h3><em>Hope this helped..</em></h3><h3 /><h3><em>Hope this helped..Brainliest pls..</em></h3>
4 0
3 years ago
marvin the math magician has a problem for you. he wants to buy some magic wands and some magic hats. the wands cost $8 each and
tensa zangetsu [6.8K]
He will pay $131 for all that stuff

7 0
3 years ago
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Amy can clean the interior of her car in 3 hours. If Amy and her husband work together,
leva [86]

Answer:

1 hour

Because 3 - 2  = 1.

Therefore, 1 hour only.

5 0
2 years ago
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