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e-lub [12.9K]
3 years ago
9

What is the height to 315 f the length is 7 and the width 4

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
8 0

the height is 11.25 because 7×4=28×11.25=315

malfutka [58]3 years ago
4 0

Answer:

11.25

Step-by-step explanation:

1. Multiply 7 x 4 = 28.

2. Divide 315/28 = 11.25

The height is 11.25.

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Gnom [1K]

Answer:

ask to your teachers and you will be finish the work

3 0
2 years ago
A chemist has two alloys, one of which is 5% gold and 20% lead and the other which is 30% gold and 50% lead. How many grams of e
dmitriy555 [2]

The amount of the first alloy is 450 grams and the amount of the second alloy is 30 grams.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have:

A chemist has two alloys, one of which is 5% gold and 20% lead and the other which is 30% gold and 50% lead.

Let's suppose the x is the amount of the first alloy and y is the amount of the second alloy:

We can make two linear equation in two variables:

0.05x + 0.3y = 31.5  ...(1)

0.2x + 0.5y = 105  ...(2)

After solving the above two linear equations by substitution method, we get:

x = 450 grams

y = 30 grams

Thus, the amount of the first alloy is 450 grams and the amount of the second alloy is 30 grams.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ1

3 0
2 years ago
7/18 is closes to?<br><br>1/2<br><br>0<br><br>1
Anika [276]

Answer:

1/2

Step-by-step explanation:

Just divide 7 by 18.

7/18 = 0.38888888889

6 0
3 years ago
What two number multiplies to get 15 and adds to get 6
OverLord2011 [107]
Asking the Math Gods...

The factors of 15 Answer : 1,3,5,15

so 3 and 5 are the only that would get 15

therefore this problem isnt correctly written.. You can't get 6 by adding any of the factored numbers



5 0
3 years ago
Calculate the scale factor
Bezzdna [24]

Answer:

Yeet

Step-by-step explanation:yeet

3 0
3 years ago
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