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3 years ago

I don’t know what the answer is

Mathematics

2 answers:

LenKa [72]3 years ago

7 0

It's number three -6x2 is minus 12
1-12=-11

mash [69]3 years ago

4 0

Is c because 1-6 times 2 equal -11

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Y = 2x + 5 and 3x + y = 40

Sophie [7]

ANSWER: x=7, y=19

Steps

1. Substitute y=2x+5

3x+2x+5=40

2. For y=2x+5 , Substitute x=7

y=2 * 7+5

3. 2 * 7+5=19

y=19

4 0

3 years ago

How much money did Ms.Ruiz earn last week. rounded to the nearest cent

Andre45 [30]

Answer:

Ummm, show us the document

Step-by-step explanation:

4 0

3 years ago

For non-zero denominators, simplify: <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3a%5E3-75a%7D%7Ba%28a%2B5%29%28a%2B5%29%7D" id=

Debora [2.8K]

$\frac{3a^3-75a}{a(a+5)(a+5)}=\frac{3a(a^2-25) }{a(a+5)(a+5)}=\frac{3a(a - 5)(a+5) }{a(a+5)(a+5)} =\frac{3 (a - 5) }{ (a+5) }$

8 0

4 years ago

Ronny is selling coffee for $5. So far he earned $350. Ronny needs to earn more than $510 in order to meet his goal. How many mu

Lelu [443]

Answer:

He needs to sell 32 more cups of coffee to reach his goal.

Step-by-step explanation:

510-250=160

160/5=32

x = 32

-------------------------

He had already sold 70 cups, so altogether, from the beginning, he would have had to sold 102 cups.

8 0

3 years ago

A client would like this logo printed onto a canvas that is at least 70 inches tall. The original logo is 4.5 inches wide by 3.6

vfiekz [6]

Answer:

87.5 by 70 inches

Step-by-step explanation:

No options were given. So, I will calculate the minimum width

Given

$Original\ Logo = 4.5 : 3.6$

Height = 70 in ---- of the printed logo

Required

Determine the dimension that keeps the requirement

Let x be the width of the printed logo.

So, the ratio can be represented as:

$Printed\ Logo = x : 70$

Equate both ratios

$x : 70 = 4.5 : 3.6$

As fraction

$x / 70 = 4.5 / 3.6$

Multiply through by 70

$70 * x / 70 = 4.5 / 3.6* 70$

$x = 87.5$

So, one of the dimension that meets the requirement is a width of 87.5 inches

4 0

3 years ago