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Alexeev081 [22]
3 years ago
15

Solve 3(a+4)-5(a-2)=22

Mathematics
1 answer:
aleksklad [387]3 years ago
4 0
The correct answer is: a=0
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Which postulate proves that the triangles below are similar?
zaharov [31]

Answer:

Option (4)

Step-by-step explanation:

From the picture attached,

Side lengths of the triangles have been given in the picture attached.

If these triangles are similar, their corresponding sides will be proportional.

By this property of similarity,

\frac{19.5}{5}= \frac{20}{8}

3.9 = 2.5

Which is not true.

Therefore, these triangles are not similar.

Option (4) will be the answer.

6 0
3 years ago
63% of all people in the United States have at least some college education. If ten people were chosen at random, find the proba
IrinaK [193]

Answer:

10/63

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Use StatKey or other technology to generate a bootstrap distribution of sample proportions and find the standard error for that
sesenic [268]

Answer:

0.0515

Step-by-step explanation:

By the central limit theorem

when n increase distribution when data follows normal

Standard Error, SE of P is

SE = \sqrt{\frac{p(1-p)}{n} }

Bootstrap Standard Error = \sqrt{\frac{p(1-p)}{n} }

where n = 94 and p = 0.52

hence,

SE of Bootstrap = \sqrt{\frac{0.52(1-0.52)}{94} }

=\sqrt{\frac{0.2496}{94} }\\\\=0.0515

SE and the SE of Bootstrap are the same

8 0
3 years ago
Please help! [99points]
Leto [7]
Hi!

The answer is B. Linear function.

A linear function is when the change in <em>y </em>and <em>x</em><em> </em>is constant. For example, let's make some <em>x</em> and <em>y</em> values. 

x 1, 2, 3, 4, 5
y 2, 4, 6, 8, 10

When <em>x</em> increases by 1, <em>y</em> increases by 2. The change in <em>x</em> and <em>y </em>is constant, therefore, that is a linear function. 

x 6, 9, 13, 26
y 3, 5, 10, 11

There is no pattern in those numbers, therefore this is not a linear function.

Hope this helps! :)
-Peredhel
5 0
4 years ago
Read 2 more answers
How to simplify 6 to the power of -1 over -8 to the power of 0
neonofarm [45]

Answer:

\frac{1}{6}

-8 to the power of 0 = 1

(Anything to the power of 0 = 1)

and 6 to the power of -1 = 1/6

( Any number to the power of a negative number will become a fraction)

Example.

5^{ - 3}  =  \frac{1}{5^{3} }

So is will be 1/6 over 1

Which gives you your final answer.

4 0
3 years ago
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