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Zepler [3.9K]
2 years ago
8

15-3a =?? please help

Mathematics
1 answer:
scoundrel [369]2 years ago
3 0

Answer:

a=5

Step-by-step explanation:

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Find x for <br> 5x+5+65+65=
Phoenix [80]

5x+5+65+65=

Answer:

x=-27

Step-by-step explanation:

We want to find x right, so everything that does not have x you can move to the other side. 5x=-5-65-65. So that should be your equation so far. Now we know that when there are two negatives it is a negative and you add so -5-65=-70-65=-135. So your equation now should be: 5x=-135. Now we can divide -135 with 5 which gives us... -27! There’s your answer. Hope this was correct!

4 0
3 years ago
Mike decided to sell all of his old books he gathered up 9 books to sell he sold 2 books in a yard sale how many books does mike
Arlecino [84]

Answer: He has 7 books.

Step-by-step explanation:

9 - 2 = 7

8 0
3 years ago
Read 2 more answers
A spring has natural length 24 cm. Compare the work W1 done in stretching the spring from 24 cm to 34 cm with the work W2 done i
Scilla [17]

Answer:

From the analysis W1=W2.

they are directly related

Step-by-step explanation:

the work-done in stretching a spring can be expressed as

W=\frac{1}{2}kx^2

where k= spring constant

           x= change on length of spring

Hence for W1

Given data

x= 34-24= 10 cm

solving in terms of k we have

W=\frac{1}{2}k*10^2\\\W=\frac{1}{2}k*100\\\W=50k

Hence for W2

Given data

x= 44-34= 10 cm

solving in terms of k we have

W=\frac{1}{2}k*10^2\\\ W=\frac{1}{2}k*100\\\ W=50k

4 0
3 years ago
What is the power of 256
Juli2301 [7.4K]

In mathematics. 256 is a composite number, with the factorization 256 = 28, which makes it a power of two. 256 is 4 raised to the 4th power, so in tetration notation 256 is 24.

4 0
3 years ago
A farmer has 348 apples and wants to put them into baskets. He will put 6 apples into each basket. How many baskets will the far
zavuch27 [327]
348/6=58


The answer is 58 baskets
8 0
2 years ago
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