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Helen [10]
3 years ago
13

-x - 6y - z = -11 3x - 5y - 3z = 23 3x + 5y + 4z = 1

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
7 0
6x+7=12fhfjsjuahdhfuduwjsjsj
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15. What's the sum of 3/8 and 1/16?<br> 1/6 7/16 4/24 1/4
allsm [11]

Answer:

7/16

Step-by-step explanation:

1. you have to have the same denominator

7 0
3 years ago
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- Critique Reasoning Tanya recorded the ages
pickupchik [31]

The error made by Tnaya in constructing the box plot is the first quartile and third quartile depicited is wrong.

<h3>What is a box plot?</h3>

A box plot is used to study the distribution and level of a set of data. The box plot consists of two lines known as whiskers and a box. The first whisker represents the minimum value and the last whisker represents the maximum value.

On the box, the first line to the left represents the first quartile. 25% of the score represents the lower quartile. The next line on the box represents the median. 50% of the score represents the median. The third line on the box represents the third quartile. 75% of the scores represents the third quartile.

For the data given, the:

  • Minimum value = 12
  • Maximum value = 22
  • Median = 16
  • First quartile  = 11/4 = 2.75 = 13
  • Third quartile = 3/4 x 11 = 8.25 = 23

To learn more about median, please check: brainly.com/question/20434777

4 0
2 years ago
Find the slope a) -5, b) -1/5, c)5, d) 1/5,
Arturiano [62]

Answer:

The slope is a) -5.

Step-by-step explanation:

(-6, -4)

(-5, -9)

the difference in slope is \frac{-9 - (-4)}{-5 - (-6)} = \frac{-9 + 4}{-5 +6} =  \frac{-5}{1} = -5

7 0
3 years ago
A man purchased a magazine at the airport for $2.69. The tax on the purchase was $0.13. What is the tax rate at the airport? The
alexdok [17]

We need to find the percent, let's start but making the equation.

The price is 2.69

The tax cost is 0.13

So what percent of 2.69 is = 0.13.

Equation: X/100 x 2.69 = 0.13

Multiply each side by 100 so we can get x alone with the price: 2.69x = 13

Now to get x alone, we must divide both sides by 2.69: x = 4.8

Finally, we just round 4.8 to the nearest whole number, which is 5 (5 or above give it a shove, 4 or below let it go, we have 8 so we give it a shove). This means that the answer will be 5%.

I hope this helps! :)

6 0
3 years ago
What is the measure of ABC?
MaRussiya [10]

Answer:

D i think

Step-by-step explanation:

3 0
2 years ago
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