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1 year ago

I really need help! Please, please, PLEASE do not give me a link.

Mathematics

2 answers:

REY [17]1 year ago

5 0

Answer:

Step-by-step explanation:

MArishka [77]1 year ago

3 0

Answer:

7 fiction and 23 non- fiction

Step-by-step explanation:

The number of non-fiction read was 5 less than 4 times the number of fiction books.

Assume fiction books are x.

An equation representing this would be:

x + (4x - 5) = 30

5x - 5 = 30

5x = 30 + 5

x = 35 / 5

x = 7 fiction books

Non-fiction books:

= 4x - 5

= 4 * 7 - 5

= 23 non - fiction books

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IrinaK [193]

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3 years ago

Total surface area of a cube is 1014cm^2. It's volume will be :

Karolina [17]

Answer:

Option A (2197 cm³)

Step-by-step explanation:

For a cube with length of each side "a" , it's

Total Surface Area = 6a²
Volume = a³

_____________________________________________

According to the question ,

Total Surface Area = 1014 cm²

Let the length of each side of cube be 'a'.

Using the formula ,

$6a^{2} =1014$

$=> a^{2} =\frac{1014}{6} = 169$

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8 0

3 years ago

3 x + y = − 14 4 x + 4 y = − 16

aev [14]

Answer:

y=1

x=-5

Step-by-step explanation:

3x+y=-14

4x+4y=-16

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y=-3x-14

4(-3x-14)+4x=-16

y=-3x-14

-8x-56=-16

y=-3x-14

-8x=40

y=-3x-14

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4 0

3 years ago

_____% of 145 = 75 48.3% 193.3% 76.5% 51.7%

Pavlova-9 [17]

48.3 i’m pretty sure! your welcome:)

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2 years ago

How do I begin this problem for geometry?

kirill115 [55]

X + 71 + x + 131 = 180

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3 years ago

Read 2 more answers