3 years ago

Send answers I will check if correct

Mathematics

1 answer:

Vikentia [17]3 years ago

7 0

Step-by-step explanation:

x = n of years of mary

x+8= n of years of her bro

So her brother is (x+8)/x times as old as Mary

You might be interested in

Please help serious answers only

Stolb23 [73]

Answer: Maybe it's the third one I'm not completely sure. don't take my word for it.

Step-by-step explanation:

6 0

2 years ago

What shape is this? A.cylinder B.square C.rectangle D.tetrahedron

Mice21 [21]

Thats a rectangle .........

6 0

2 years ago

(4200 + 75) + 5 = ( ? )+ (75+5) What would make it true?

geniusboy [140]

Answer:

4200

Step-by-step explanation:

4280=(?)+80

So the answer is 4200

8 0

2 years ago

Read 2 more answers

Factor Completely: 10x + 15

tankabanditka [31]

Answer:

5(2x + 3)

Step-by-step explanation:

$10x + 15 \\ \\ = 2 \times 5 \times x + 3 \times 5 \\ ( take \: common \: factors \: out )\\ = 5(2 \times x + 3) \\ \\ = 5(2x + 3)$

3 0

1 year ago

Read 2 more answers

Please help out :)) and give a explanation

wolverine [178]

9514 1404 393

Answer:

y = 3x

Step-by-step explanation:

A proportional relation has the equation ...

y = kx

To write the desired equation, you need to know the value of k. That can be found from the given information:

for x = 2, y = 6

6 = k·2

3 = k . . . . divide by 2

Now, we know the equation can be written ...

y = 3x

5 0

2 years ago