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Citrus2011 [14]
3 years ago
15

Write True or False:

Mathematics
1 answer:
Leokris [45]3 years ago
5 0

Step-by-step explanation:

2. is false next answer by next person

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12x - 3x + 11 3 4x - (17 - 9x)
KengaRu [80]

sorry it won't let me show step by step but your answer is 150x-17

8 0
3 years ago
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Easy I am just not sure on how to solve it please give answer and how I would solve it
Elina [12.6K]

You want to compare the square root of 55 using "mental math". Start off by choosing two perfect squares that you can think of that are close to 55.

If you don't know perfect squares then start with the number 2 and multiply it by itself. 2 times 2 equals 4, so 4 is a perfect square.

Take the number 3, multiply it by itself, and so on. Do this for all the numbers until you find two perfect squares that are close to 55.

The two perfect squares closest to 55 are the square roots of 49 and 64. Find the square root of these numbers.

√49 = 7

√64 = 8

Calculate how far 55 is from 49 and 64. 55 is 6 digits away from 49 and 9 digits away from 64.

This means the square root of 55 will be closer to the square root of 49; 7. Since we know that it will be closer to 7, you can put the less than sign for your answer.

√55 < 7.7

(The actual square root of 55 is ~7.4, so we were correct in determining the answer without using a calculator!)

6 0
3 years ago
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One morning, Mr. Chaplin, the Vice Principal took his own temperature in Centigrade as 35 and told Mrs. Jenkins that this is the
nika2105 [10]

Answer:

Yep

Step-by-step explanation:

8 0
3 years ago
Fatima deposits $400 into her bank account that earns 4% simple interest per year. What is the total amount in her account after
sweet-ann [11.9K]
I=400(0.04)(5)
Interest is 80 dollars of interest
400+80=480
I think that is the answer you're looking for :)
6 0
3 years ago
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3(x + 4) = 27 what is x
Alla [95]

Answer:

x = 5

Step-by-step explanation:

This is a simple equation if you look at it right and don't get scared by the "x."

All we need to do is figure out what times 3 = 27. We can do this easily by diving 27 by 3.

27 ÷ 3 = 9

Since our "equation" is 3(x + 4) = 27 we know whatever is in the parenthesis () has to equal to 9. We already get 4 so:

5 + 4 = 9.

3 times 9 = 27.

5 is your answer.

<u>Hope this helps and have a nice day!</u>

PS if you could mark brainliest that'd be great! I'm very close the "expert" rank. Haha, sorry I usually don't ask.

6 0
3 years ago
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