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enot [183]
3 years ago
13

20 POINTS PLEASE HELP

Mathematics
1 answer:
victus00 [196]3 years ago
5 0

Answer:

3 dots above $5 + 3 dots above $6 = 6

so 6 babysitters earned $5 or $6 per hour

Step-by-step explanation:

According to the information:

number of dots above 4 dollar=2

number of dots above 5 dollar=3

number of dots above 6 dollar=3

 number of dots above 7 dollar=2

Hence, the number of babysitters  earned $5 or $6=3+3=6

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Factor out the GCF of 5x2 + 15x
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Answer: 5x(x+3)

Step-by-step explanation: hope this helps

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Subtract (x² + 5x – 6) – (3x^2 – 7x + 1).<br> What is the difference?
Lorico [155]
1. Distribute the Negative Signs
2. Combine like terms
-2x^2 + 12x-7
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What is the average of 5/6, 2/3, and 1/2?
Sloan [31]
(5/6 + 2/3 + 1/2)/3 = 2/3 = 0.66
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Read 2 more answers
Find MO and PR <br> ............................................................
ddd [48]

MO = 12 and PR = 3

Solution:

Given \triangle M N O \sim \Delta P Q R.

Perimeter of ΔMNO = 48

Perimeter of ΔPQR = 12

MO = 12x and PR = x + 2

<em>If two triangles are similar, then the ratio of corresponding sides is equal to the ratio of perimeter of the triangles.</em>

$\Rightarrow \frac{\text{Perimeter of }\triangle MNO}{\text{Perimeter of }\triangle PQR} =\frac{MO}{PR}

$\Rightarrow \frac{48}{12} =\frac{12x}{x+2}

Do cross multiplication.

$\Rightarrow 48({x+2})= 12(12x)

$\Rightarrow 48x+96= 144x

Subtract 48x from both sides.

$\Rightarrow 48x+96-48x= 144x-48x

$\Rightarrow 96= 96x

Divide by 96 on both sides, we get

⇒ 1 = x

⇒ x = 1

Substitute x = 1 in MO an PR.

MO = 12(1) = 12

PR = 1 + 2 = 3

Therefore MO = 12 and PR = 3.

7 0
3 years ago
I don't understand this question I'm supposed to be graphing
taurus [48]

y≤ 3 when x is 0  and x≤ 3 when y is 0

The graph is attached in figure below

Step-by-step explanation:

We need to graph x+y is equal or less than 3

Writing in mathematical form:

x+y\leq 3

For solving we find x and y intercepts

The y-intercept can be found by putting x=0, y is :

0+y \leq 3\\y\leq 3

y≤ 3 when x is 0

The x-intercept can be found by putting y=0, x is :

x+y \leq 3\\x+0\leq 3\\x\leq 3

x≤ 3 when y is 0

Plotting these values on the graph:

The graph is attached in figure below

Keywords: Solving inequalities

Learn more about Solving inequalities at:

  • brainly.com/question/1465430
  • brainly.com/question/6703816
  • brainly.com/question/11788572

#learnwithBrainly

3 0
3 years ago
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