3 years ago

HELP ASAP ANY LINKS WILL BE REPORTED a.IJb.WYc.XWd.XY

Mathematics

1 answer:

ruslelena [56]3 years ago

4 0

The answer is C........

You might be interested in

HELP!!!!<br><br> If the probability of a getting 4/25 out of 200 people, what about 500 people?

mash [69]

Answer:

123

Step-by-step explanation:

5 0

3 years ago

Help math pls due in 5 min

Dima020 [189]

Your answer is D
hope this helps

8 0

3 years ago

Multiply.<br> (d+7)(d-7)<br> Simplify your answer.

romanna [79]

Answer:

$\huge\boxed{(d+7)(d-7)=d^2-49}$

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\(d+7)(d-7)\qquad|\text{use}\ (a+b)(a-b)=a^2-b^2\\\\=d^2-7^2=d^2-49\\\\\bold{METHOD\ 2:}\\\\(d+7)(d-7)\qquad|\text{use FOIL}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(d)(d)+(d)(-7)+(7)(d)+(7)(-7)\\\\=d^2-7d+7d-49\qquad|\text{combine like terms}\\\\=d^2+(-7d+7d)-49\\\\=d^2-49$