What is 9×9 please help me

Answers

Answer 1
Answer: 9x9 is 81. It is easy because 9x9=9+9+9+9+9+9+9+9+9. As you can see, that is 9 added 9 times.

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CAN SOMEONE PLEASE HELP ME ASAP ILL MARK BRAINLIST!!!!!

Answers

Answer:

a or b

Step-by-step explanation:

Answer:

B. 30

Step-by-step explanation:

3/4 = .75

120 * .75 = 90

Of those 90 students 1/3 wore sandals.

1/3 = approximately .33

90 * .33 = 29.7

Therefore, around 30 students wore jeans and sandals.

Geometry help will give brainliest
question 20

Answers

9.5 times 2 is 19, 19=7x-11+2x+3,
you get x=3

When 80% of a is added to the number, the result is 252. What is the number

Answers

Use the equation .8x + x = 252
x is the number, and .8 is the decimal equivalent of 80%.

1.8x = 252

x = 140

Final answer:

To find the original number, 'a', in this algebra problem, we set up and simplify the equation a + 0.80a = 252 to get a = 252 ÷ 1.80. Solving this equation will give us the value of 'a'.

Explanation:

The subject here is mathematics, specifically algebra. The problem can be solved by setting up an equation that represents the described scenario. Let 'a' be the unknown number. The problem states that adding 80% of 'a' to the number gives us 252. This can be expressed as the equation: a + 0.80a = 252.

By simplifying this equation, we get 1.80a = 252. To find the value of 'a', we divide both sides of the equation by 1.80. Doing that, we get a = 252 ÷ 1.80. Hence solving this will give us the original number

Learn more about Algebra here:

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Jorge is making 6 large salads and 4 small salads. Each large salad needs 10 cherry tomatoes and each small salad needs 6 cherry tomatoes. How many cherry tomatoes does Jorge need?

Answers

Answer:  Jorge needs a total of 84 cherry tomatoes.

Step-by-step explanation:  Given that Jorge  is making 6 large salads and 4 small salads. Each large salad needs 10 cherry tomatoes and each small salad needs 6 cherry tomatoes.

We are to find the total number of cherry tomatoes that Jorge need.

Since each large salad needs 10 cherry tomatoes, so the number of cherry tomatoes needed for 6 large salads is given by

CT_l=6*10=60.

Similarly, each small salad needs 6 cherry tomatoes, so the number of cherry tomatoes needed for 4 small salads is given by

CT_s=4*6=24.

Therefore, the total number of cherry tomatoes that Jorge need will be

CT_l+CT_s=60+24=84.

Thus, Jorge needs a total of 84 cherry tomatoes.

6large salads x 10 cherry tomatoes
4 small salads x 6 cherry tomatoes

60 + 24 tomatoes
84 total

Mixed numbers and improper fractions are often the result of measurements or calculations. a. True
b. False

Answers

i think it is true      hope i helped 

7 is 70% of what number

Answers

seven is 70% of the number ten 7/10 = 70%
x-searched\ number\n\n70\%x=7\n\n0.7x=7\ \ \ \ \ \ |:0.7\n\nx=10\n\n7\ is\ 70%\ of\ 10