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2 years ago

What are the two solutions?

Mathematics

1 answer:

Readme [11.4K]2 years ago

4 0

Answer:

Step-by-step explanation:

really ? you need help to calculate the 2 results of

(2 ± 6) / 2

one result is

(2 + 6) / 2 = 8/2 = 4

the other result is

(2 - 6) / 2 = -4/2 = -2

there ! that is all there is to it.

is there still something unclear ?

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What is the area of this polygon?

elena55 [62]

A= 192 cm squared
Why?
17 x 10= 170
4 x 11= 44
44 divided by 2 =22
170+ 22= 192 cm squared

3 0

2 years ago

Read 2 more answers

PLEASE HELP

Molodets [167]

B would be the correct answer

3 0

3 years ago

She runs for 6.4 miles at a speed of 4 miles per hour. For how many hours does she run?

Alexxandr [17]

<span>4 miles per hour
</span><span>6.4 miles ...? hours

6.4 / 4 = 1.6 hours

answer
she runs 1.6 hours for 6.4 miles</span>

6 0

3 years ago

Read 2 more answers

Please help me with this !:(

ahrayia [7]

Answer:

75.062c $m^{2}$

Step-by-step explanation:

To find the missing side use pythagorean theorem

So $6^{2} +b^2=8.5^2$

Solve for b, b= 6.021

To find the area use $\frac{1}{2}$ bh

So $\frac{1}{2}$ (6.021+19)(6)= area

And you get 75.062

7 0

3 years ago

The faces on a number cube are labled 1,2,2,3,4, and 5the number cube is rolled 114 times how many times would you expect the nu

Mrac [35]

Given:

The faces on a number cube are labeled 1,2,2,3,4, and 5.

The number cube is rolled 114 times.

To find:

How many times would you expect the number 2 to appear?

Solution:

We have,

Total outcomes = 1,2,2,3,4, and 5.

Number of total outcomes = 6

Favorable outcomes = 2 and 2

Number of favorable outcomes = 2

The probability of getting 2 is:

$P(2)=\dfrac{\text{Number of favorable outcomes}}{\text{Number of total outcomes}}$

$P(2)=\dfrac{2}{6}$

$P(2)=\dfrac{1}{3}$

Now, the expected number of times when 2 to appear is:

$E(x)=114\times P(2)$

$E(x)=114\times \dfrac{1}{3}$

$E(x)=38$

Therefore, the expected number of times is 38.

4 0

3 years ago