3 years ago

Calculate the distance between the points -11 and 4 on a number line.

Mathematics

1 answer:

krek1111 [17]3 years ago

5 0

Answer:

15, d

Step-by-step explanation:

The absolute value of |-11| + |4| is 11+4 which is 15

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Given two linear equations: y=-2x+5 and y=1/2x-2. Select all or one that apply.

Rudiy27

The answer would be Perpendicular.

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4 years ago

for a normal distribution curve with the mean of 15 and a standard deviation of 5, which range of the variable defines an area u

kipiarov [429]

Using empirical rule,
Upper range of 68%=15+5=20
Lower range =10
Range=10

8 0

3 years ago

A service station will be built on the highway, and a road will connect it with cray. How long will the new road be?

zysi [14]

Answer: 4.6 mi

Step-by-step explanation:

Suppose the points A, B, C and S shows Alba, Blare, Cray and Service station respectively,

Then, We have to find out the line segment CS = x = ?

Now, In the triangles ACB and CSB,

$\angle ACB\cong \angle CSB$ ( Right angles )

$\angle ABC\cong \angle CBS$ ( Reflexive angles )

Thus, by AA similarity postulate,

$\triangle ACB\sim\triangle CSB$

By the property of similar triangles,

$\frac{AB}{CB}=\frac{AC}{CS}$

$\implies \frac{13}{5}=\frac{12}{x}$

$\implies 13x=5\times 12$

$\implies 13x = 60$

$\implies x =\frac{60}{13}=4.61539\approx 4.6$

Hence, the approximate length of the new road = 4.6 miles

3 0

3 years ago

PRE CAL HELP N EEDED PLEASE THANK YOU

goldfiish [28.3K]

Answer:

I'm sorry

Step-by-step explanation:

I'm in middle school I wish I could help.

6 0

3 years ago

PLEASE HELP INEQUALITYS!!

kolezko [41]

Same i am sorry need point

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3 years ago