All categories

2 years ago

Find the value of x.

Mathematics

1 answer:

aleksandrvk [35]2 years ago

5 0

Answer:

16 = x

Step-by-step explanation:

A triangle has 180 degrees. Use this to solve for x

180=(9x-8)+(x+2)+(x+10)

180 = 9x + x + x - 8 + 2 +10

180 + 8 -2 - 10 = 11 x

176 = 11x

176/11 = x

16 = x

You might be interested in

The midpoint of XZ is Y. Which of the following is true

sveta [45]

It’s should be D
Because if Y is the midpoint of XZ, it means XY=ZY,
or XY= half of XZ, or ZY= half of XZ.

It can also equal to 2XY=XZ, or 2ZY=XZ.

Y divides XZ into two equal parts.

4 0

3 years ago

Rename the fraction 2/5 using tenths and hundredths

Viefleur [7K]

Answer:

20/50

Step-by-step explanation:

i think

5 0

3 years ago

10 is 5% of what number

Tcecarenko [31]

The number is 200 .
10 is 5% of 200

8 0

3 years ago

1)How many ways can the letters in the word BOOKKEEPER be arranged? (Must show set-up )

sergeinik [125]

Question 1

There are 5 letters (B, O, K, E, R) and there is a total of 10 letters to make up the word.
There are $\frac{10!}{(10-6)!6!}$ ways of arranging the letters, which equal to 210 ways

Question 2

There are seven swimmers in total.
There are $\frac{7!}{(7-1)!1!}$ ways of choosing the first winner, which is 7 ways
There are $\frac{6!}{(6-1)!1!}$ ways of choosing the second winner, which is 6 ways
There are $\frac{5!}{(5-1)!1!}$ ways of choosing the third winner, which is 5 ways
There are 7×6×5=210 ways of choosing first, second, and third winner

Question 3

The probability of eating an orange and a red candy is $\frac{15}{31}$ × $\frac{9}{30}$ , which equals to $\frac{9}{62}$

The probability of eating two green candies is $\frac{7}{31}$ × $\frac{6}{30}$ which equals to $\frac{7}{155}$

3 0

3 years ago

Mark buys a wooden board that is feet long. The cost of the board is $1.50 per 5 1/4 foot, including tax. What is the total cost

Lelechka [254]

It would just be the tot foot time the cost

7.5 X 0.50 = $3.75

8 0

3 years ago