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RoseWind [281]
2 years ago
13

(-10) - |(-20) – (+30) |

Mathematics
1 answer:
myrzilka [38]2 years ago
6 0

ANSWER: -60

EXPLANATION: To solve for (-10) - |(-20) – (+30) |, we need to do:

−10−| −20 − 30|, which equals −10−|−50|. Next, we do −10−50, which is -60.

−10−|−20−30|

= −10−|−50|

= −10−50

= −60

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^please answer, thanks in advance ^
Rudiy27

Answer:

There is not enough information to determine the mean, the median is 28.

There is not enough information to determine the mean absolute deviation, the interquartile range is 18

Step-by-step explanation:

The box plot given has a skewed distribution, this means that both the mean and median values are not the same. From a box plot, the median value Can be obtained as the point in between the box.

From the box plot given, the marked point in between the box is 28 cm

Hence, Median = 28 cm

The mean cannot be inferred from the skewed box plot.

There is also not enough information to determine the mean absolute deviation ;

The interquartile range:

(Q3 - Q1)

Q3 = upper quartile, the endpoint of the box = 40

Q1 = the starting point of the box = 22

IQR = Q3 - Q1

IQR = 40 - 22 = 18

3 0
3 years ago
What is the surface area of the prism<br><br> A. 812<br> B. 1,190<br> C. 2,352<br> D. 132
seropon [69]

Answer:

B. 1,190 square cm

Step-by-step explanation:

For given prism:

l = 16 cm, w = 7 cm, h = 21 cm

Surface area of of the prism

= 2 (lw + wh + hl)  \\  = 2(16 \times 7 + 7 \times 21 + 21 \times 16) \\  = 2(112 + 147 + 336) \\  = 2 \times 595 \\  = 1190 \:  {cm}^{2}  \\

4 0
3 years ago
How do I solve and find x?
oee [108]

Answer:

x=60

Step-by-step explanation:

First get x all alone on 1 side of the equation. Add 14.5 to both sides of the equation to cancel out the negative. You will then be left with

x/5= 12

Multiply both sides of the equation by 5 to cancel out the division and you'll get x=60

5 0
2 years ago
Nafessa graphs a line with slope 5 that passes through the point (3,-2).
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We know m = 5, x = 3, and y = -2, and that the point slope form is y = mx + b, so plugging these in we can solve for b;

-2 = 5 * 3 + b

-2 = 15 + b

b = -17

So the equation for the line would be;

y = 5x - 17

b is the y intercept, so that is answered (0,-17), to solve for the x intercept you have to plug 0 in for y in the equation, so;

0 = 5x - 17

17 = 5x

x = 17/5

So the x intercept would be (17/5,0)
6 0
3 years ago
Please Help, I will mark Brainliest
Daniel [21]
#2. On the moon you would have periods where the sun blocks the Earth and other times when the Earth blocks the sun.
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