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netineya [11]
3 years ago
6

Pierre found a new store where he hopes to save

Mathematics
1 answer:
fgiga [73]3 years ago
5 0
Your first equation is 4x + 7y= 32, the x’s representing the brushes and the y’s the tubes of paint. Our second equation is 6x+8y=43. What I did is I multiplied the first equation by 1.5 so that it turns into 6x+10.5y=48. Then I subtracted the second equation from the first, canceling out the x’s and leaving us with 2.5y=5. Then divided and got y=2. We then go back to any of the original equations and plug it in to get the x’s.
6x+8(2)=43. We get 6x+16=43. We subtract and are left with 6x=27 and then x=4.5. Then plug both of them in to a different equation to double check. You could also use substitution by isolating one of the variables in one equation and then plugging it in to the other one.
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In a survey of market, it is found that 143 persons use white toothpaste and 135 use red toothpaste. If 70 of them use both the
denpristay [2]

Answer:

let W and R represent white toothpaste and red toothpaste represently

n(W)=143

n(R)=135

n(WnR)=70

n( WuR)=?

Now,

n(WuR)=n(W)+n(R)_n(WnR)

=143+135_70

=208

that's all don't forget to write therefore.

6 0
3 years ago
A pizza is cut into slices that are each 1/6 of the whole. John is going to eat 1/2 of the pizza. How many slices will John eat?
GarryVolchara [31]

Answer:

3 slices

Step-by-step explanation:

The pizza is cut into 6 slices

Since John wants to eat half of the pizza, you would need to divide 6 by 2 to get half

So the answer is 3 slices of pizza

5 0
3 years ago
Read 2 more answers
Ms. Etienne deposited $450 into an account that paid 5% interest compounded annually. She did not make any
Alexus [3.1K]

Answer:

$603.04

Step-by-step explanation:

The Compound Amout formula is A = P(1 + r)^t, where:

P is the principal (initial deposit), r is the annual interest rate as a decimal fraction, and t is the time period in years.

In this particular case, the Compound Amount is:

A  = ($450)(1 + 0. 05)^6 = ($450)(1.34) = $603.04

6 0
3 years ago
What is the slope of the line on the graph?<br><br>-1<br><br>-2
Scrat [10]
2/2 which = 1 whole is the slope
4 0
3 years ago
Solve for x: m(fx+a)=z+g
Inga [223]
X= -a/f = z/mf + g/mf
-a is over f
+ z over mf
+ g over mf
4 0
3 years ago
Read 2 more answers
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