3 years ago

Help!!! I’m taking a test and it’s due in 5 minutes!!!!!!

Mathematics

1 answer:

katovenus [111]3 years ago

5 0

Answer:7

Step-by-step explanation:

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Justine paid 35.70 for a lego set that was on sale. The original price of the set was $42.00 what is the percentage discount for

Licemer1 [7]

15% because what you do is take $35.70 and subtract it from $42 then you get $6.3 and take that $6.3 and divide it from 42 and you get .15 but then just take the decimal away and it’s 15%.... don’t believe me just multiply 15% times 42

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3 years ago

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This graph shows the solution to which inequality

noname [10]

Answer:

Step-by-step explanation:

y> 2/3*x+1

B is the answer

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3 years ago

X + 2y – 4z = 1<br> -2x – 4y + 4z = 6<br> -4x – 3y – 4z = 21

elena55 [62]

Answer:

x = - 1

y = - 3

z = -2

Step-by-step explanation:

Please see steps in the image attached here.

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3 years ago

I need help with this question please help

forsale [732]

Answer:

Step-by-step explanation:

The formula of a surface area of a cylinder:

$S.A.=2\pi r^2+2\pi rH$

r - radius

H - height

We have:

r = 5 in

H = 4 in

Substitute:

$S.A.=2\pi(5^2)+2\pi(5)(4)=2\pi(25)+2\pi(20)\\\\=50\pi+40\pi=90\pi\ in^2$

$\pi\approx\dfrac{22}{7}$

Substitute:

$S.A.\approx90\cdot\dfrac{22}{7}=\dfrac{1980}{7}\approx282.857\ in^2$

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4 years ago

Write a rule for the translation.

CaHeK987 [17]

Answer: b
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3 years ago