3 years ago

HELP PLZ IT IMPORTANT.

Mathematics

1 answer:

azamat3 years ago

8 0

Answer:

14 sq inches

Step-by-step explanation:

you have the top and bottom = 2

then 3 * 4 for the sides, front, and back = 12

add them together and you have 14

thats for the parts you can see on the outside. i hope i did this right

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hoa [83]

I agree the answer is B I think so

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3 years ago

Select the correct answer. what is the solution set of y = x2 2x 7 and y = x 7? a. {(0, 7), (-1, 6)} b. {(0, 7), (-7, 0)} c. {(0

Kaylis [27]

Answer:

a. {(0, 7), (-1, 6)}

Step-by-step explanation:

$y = x^{2} +2x+7\\y=x+7$

subtract the equations

$y = x^{2} +2x+7 \\- \ \ \ \ \ y=x+7\\y - y =x^{2} +2x+7-(x+7)\\0=x^{2} +x\\x = 0 \ and \ x= -1$

for $y = x^{2} +2x+7$ , substitute x = 0

$y = (0)^{2} +2(0)+7\\y = 0 +0+7\\y=7$

for $y = x^{2} +2x+7$ , substitute x = 0

$y = (-1)^{2} +2(-1)+7\\y = 1 -2+7\\y=6$

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2 years ago

What is the conjugate of -1-5i?

NARA [144]

Answer:

-6

Step-by-step explanation:

is -6

4 0

3 years ago

Can somebody help me

wel

Answer:

I believe the second one is d

5 0

3 years ago

Here is an easy puzzle:

galina1969 [7]

The answer is
date
1 2 3 4 5 31
r1 r2 r3 r4 r5 . . . r31
1gm 2gms 3<span>gms 4gms 5gms . . . 31gms

r1+r2+ .... +r31= 31(31+1) /2=496gms (31 rings)

he only made 5 rings

31 rings----------> 496 gms
5 rings ------------> ? = 5 x496 / 31=80 gms

</span><span> the weights of those 5 rings was 80 gms</span>

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4 years ago