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3 years ago

I am having trouble with these two questions . 1) -2+x= -x+2 2) 2+3x=x+7

Mathematics

1 answer:

olga2289 [7]3 years ago

4 0

Answer:

1)x=2. 2)x=5/2

Step-by-step explanation:

Steps in pic below

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One less then five times a number is fewer then twenty four

NISA [10]

5n - 1 < 24 is the inequality in question. Add 1 to both sides, obtaining:

5n < 25. Divide both sides by 5, obtaining n < 5 (answer)

3 0

3 years ago

Carla is cutting pieces of string that are exactly inches long. How many pieces can she cut from a ball of string that is 100 fe

siniylev [52]

Answer:

the answer is Length of each string = 195/8 inch

Total length= 100*12 = 1200 inch

Number of pieces = Total length/ Length of each piece = 1200/ (195/8)= (1200*8)/195

Step-by-step explanation:

6 0

3 years ago

How many halves make up the whole circle

adell [148]

2 halves make up one whole
Hope this helps!
Vote my brainliest!

6 0

3 years ago

Read 2 more answers

For a normal distribution with μ=500 and σ=100, what is the minimum score necessary to be in the top 60% of the distribution?

STatiana [176]

Answer:

475.

Step-by-step explanation:

We have been given that for a normal distribution with μ=500 and σ=100. We are asked to find the minimum score that is necessary to be in the top 60% of the distribution.

We will use z-score formula and normal distribution table to solve our given problem.

$z=\frac{x-\mu}{\sigma}$

Top 60% means greater than 40%.

Let us find z-score corresponding to normal score to 40% or 0.40.

Using normal distribution table, we got a z-score of $-0.25$ .

Upon substituting our given values in z-score formula, we will get:

$-0.25=\frac{x-500}{100}$

$-0.25*100=\frac{x-500}{100}*100$

$-25=x-500$

$-25+500=x-500+500$

$x=475$

Therefore, the minimum score necessary to be in the top 60% of the distribution is 475.

3 0

3 years ago

Find the values of x and y

julsineya [31]

Answer:

y = 70 degrees

x = 11

Step-by-step explanation:

The side opposite x + 2 is equivalent so they will both be equal to 13.

To get the meaning of x, simply subtract 2 from 13 giving you x = 11.

Y is across from corner C, which is 70 degrees. These angles are equivalent to each other, meaning that angle y is also 70 degrees.

Hope this helps you :)

4 0

3 years ago

Read 2 more answers