3 years ago

I will mark brainlist

Mathematics

1 answer:

dalvyx [7]3 years ago

5 0

Answer:

answer is A

I hope this helps!

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Don’t need to explain, but if you want to then go ahead!

drek231 [11]

Answer:a

Step-by-step explanation:

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3 years ago

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can Consider the expresion 6348 how you use distruptive propert and the Gcf to find the equielovent expression? Explain how you

mario62 [17]

Answer:

63+48= 3(21+16)

Step-by-step explanation:

Check answer:

Distribute 3(21+16)

3(21)+3(16)

63+48

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3 years ago

The area of a rectangle is 525 sq cm. the ratio of the length to the width is 7:3. find the length and width.

nalin [4]

Suppose the length is 7x, the width is then 3x
7x*3x=525
21x²=525
x²=25
x=5
so the length is 7*5=35, and the width is 3*5=15

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3 years ago

When 7 is subtracted from two third of the square of a number it becomes 17 find the number

Dmitry [639]

Answer: 6 or -6

hello,

Step-by-step explanation:

Let say n the number

$\dfrac{2}{3} *n^2-7=17\\\Longrightarrow\ \dfrac{2}{3} *n^2=24\\\Longrightarrow\ n^2=\dfrac{3*24}{2}\\\Longrightarrow\ n^2=36\\\Longrightarrow\ (n-6)(n+6)=0\\\\n=6\ or\ n=-6\\$

8 0

3 years ago

I don’t understand please help?

Lerok [7]

Answer:

Step-by-step explanation:

Cuz sqr root of 20 = 2 sqrt 5, -2 sqrt 5

7 0

3 years ago