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Annette [7]
4 years ago
12

Find the value of x. *BRAINLIEST* A. 10 B. 8.3 C. 7 D. 5

Mathematics
1 answer:
bekas [8.4K]4 years ago
3 0
3x-5 is a midline of that triangle so:

3x-5=\dfrac{1}{2}\cdot20\\\\\\3x-5=10\\\\3x=15\quad|:3\\\\\boxed{x=5}

Answer D.
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From some petroleum, you can get 30% of paraffin. How much petroleum do you need in order to get 18.75 tons of paraffin?
Sindrei [870]
27 tons is the answer
5 0
3 years ago
What is the interquartile for this set of data? 11,19,35,42,60,72,80,85,88
exis [7]

Answer:

55.5

Step-by-step explanation:

find the median - in this case it's 60

then group the upper and lower halves of the data:

(11, 19, 35, 42) 60 (72, 80, 85, 88)

now we find the medians of those sets:

35 + 19/2 = 54/2 =27

80 + 85/2 = 165/2 = 82.5

then subtract those two medians to find the interquartile:

82.5 - 27 = 55.5

4 0
3 years ago
Which graph represents the function f(x)=-|x|-2 ?
Elden [556K]

Answer:

The graph of given function is shown below.

Step-by-step explanation:

The absolute parent function is g(x)=|x|. The graph of parent function is a V-shape d and vertex of the function is origin.

The given function is

f(x)=-|x|-2              .... (1)

The vertex from of an absolute function is

f(x)=a|x-h|+k          .... (2)

where, a is a constant and (h,k) is vertex of the function.

From (1) and (2) we get

a=-1,h=0,k=-2

The value of a is -1. The value of a is negative it means the graph of parent function reflect across x-axis.

The vertex of the function is (0,-2). It means the graph of parent function shifts 2 units down.

The graph of given function is shown below.

4 0
3 years ago
Read 2 more answers
Please help me out please 10 point
Pavel [41]

Answer:

Its A.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Select all that apply.
dimulka [17.4K]
2x 2 - 6x = 0 .... if you mean 2x^2 - 6x = 0
then 2x = 0 and x - 3 = 0 << answer
3 0
4 years ago
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