3 years ago

SOMEONE PLZ HELP?????

Mathematics

2 answers:

Art [367]3 years ago

4 0

(43)3 multiplied by x=y

vivado [14]3 years ago

4 0

43(3) + x = y I think this is right?

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If you have $ twentyfive of quarters and dimes how much quarters and dimes do u have

mamaluj [8]

You have 400 quarters and 1,000 dimes.

For example you have four quarters in a dollar so you multiply 4*100 = 400.

For example you have ten dimes in a dollar so you multiple 10*100 = 1,000

Hope this helps!!!!!!

Please give me brainliest!!!!!!

6 0

3 years ago

Solve the equation below 2x-4=10 A. X=10 B. X=14 C.X=7 D.X=2

professor190 [17]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

Find a+b,2a+3b,IaI, and Ia-bI. a[5, -12], b=[-3, -6]

DENIUS [597]

Answer: 1) $2\hat{i}-18\hat{j}$ 2) $\hat{i}-6\hat{j}$ 3) 13, 4) 10.

Step-by-step explanation:

Since we have given that

$\vec{a}=5\hat{i}-12\hat{j}\\\\and\\\\\vec{b}=-3\hat{i}-6\hat{j}$

So, we need to find :

1) a + b is given by

$5\hat{i}-12\hat{j}-3\hat{i}-6\hat{j}\\\\=2\hat{i}-18\hat{j}$

2) 2a+3b is given by

$2(5\hat{i}-12\hat{j})+3(-3\hat{i}-6\hat{j})\\\\=10\hat{i}-24\hat{j}-9\hat{i}+18\hat{j}\\\\=\hat{i}-6\hat{j}$

3) |a| is given by

$\sqrt{5^2+(-12)^2}\\\\=\sqrt{25+144}\\\\=\sqrt{169}\\\\=13$

4) |a-b| is given by

$\sqrt{(5+3)^2+(-12+6)^2}\\\\=\sqrt{8^2+6^2}\\\\=\sqrt{64+36}\\\\=\sqrt{100}\\\\=10$

Hence, 1) $2\hat{i}-18\hat{j}$ 2) $\hat{i}-6\hat{j}$ 3) 13, 4) 10.

6 0

3 years ago

On a horizontal number line, positive numbers are

soldi70 [24.7K]

Answer:

to the right

Step-by-step explanation:

hope this helps✨

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3 years ago

Combine the like terms to create an equivalent expression:

Nesterboy [21]

Answer:

-2z+8

Step-by-step explanation:

$3z+2+(-5x)+6\\\\=3z+2-5x+6\\\\=(3z-5z)+(2+6)\\\\=(-2z)+(8)\\\\=-2z+8$

6 0

3 years ago