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Vsevolod [243]
3 years ago
11

Use a graphing tool to solve the system.

Mathematics
1 answer:
Sergio039 [100]3 years ago
4 0
<span>13x+6y=−30
 x−2y=−4 

This means that .............6y = -30 -13x..............y = -13x/6 -5   (a)
(b) x+4 = 2y ................y = x/2 +2

The Solution is (-2.625,0.688) so the best estimate is (-2.5 , 0.75)</span>

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(2x+5)^2<br><br>is it 4x^2+20x+25?​
Daniel [21]
Yes that’s your answer!! Good job!!
4 0
3 years ago
PLEASE HELP! 25 POINTS <br><br> listen the question number then answer
frutty [35]

Answer: <

Explantion:

8*4-2(4)=24

5(10-4)=30, because you factor the 5 into 10 and 4 so

50-20=30

The second one you want will be integers.

7 0
4 years ago
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A triangle has a base of 8 cm and a height of 12 cm. What is the area of the triangle? Enter your answer in the box. Cm?
Olin [163]

Answer:

The area is 48 cm^2

Step-by-step explanation:

The formula for area of a triangle is

A = 1/2 b*h

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A = 1/2 *96cm^2

A = 48 cm^2

The area is 48 cm^2

4 0
4 years ago
According to the University of Nevada Center for Logistics Management, 6% of all merchandise sold in the United States gets retu
KatRina [158]

Answer:  0.1

Step-by-step explanation:

Given :  A Houston department store sampled 80 items sold in January and found that 8 of the items were returned.

In other words, sample size : <em>n</em>=1040

Number of items returned : <em>x</em>= 8

Let <em>p</em> be the proportion of items returned for the population of sales transactions at the Houston store.

As per sample , the sample proportion of items returned for the population of sales transactions at the Houston store is :

\hat{p}=\dfrac{x}{n}=\dfrac{8}{80}=0.1

As we know that , <em>the sample proportion is the best estimate of the population proportion.</em>

Therefore,a point estimate of the proportion of items returned for the population of sales transactions at the Houston store is 0.1.

8 0
3 years ago
I need help on this.​
densk [106]

Answer:

60

Step-by-step explanation:

3 times 5 times 4

6 0
4 years ago
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