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3 years ago

How to do this and the answer step by step

Mathematics

1 answer:

Alexxandr [17]3 years ago

3 0

Just because your teacher asks you to do an answer you don't have to. okay so step one.... get up... step 2.... run. its a trap

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How much greater is the surface area of the rectangular prism than the surface area of the cube?

Sever21 [200]

Answer: 18 cm2

Step-by-step explanation: the surface area of the cube is 54 cm2 and the rectangular prism is 72 cm2 so 72 - 54 = 18

3 0

3 years ago

What is 6(x+4)? Show work

natulia [17]

We will use distribution

we will multiply 6 to each variable and number in the parenthesis.
6 times x plus 6 times 4
which is 6x +24

8 0

3 years ago

Read 2 more answers

2. Use the following picture for this question:

Art [367]

Answer:

a. $24\sqrt{3}$ and 41.6

b. 52.1

Step-by-step explanation:

Considering the left side triangle the blue dotted side is the side "opposite" to the angle given and the side 24 is the side that is "adjacent" to the angle given. The trigonometric ratio tan relates opposite to adjacent. Also, let the blue dotted side be y.

Note: the exact value of tan 60 is $\sqrt{3}$

Thus, we can write $Tan(60)=\frac{y}{24}\\y=24*Tan(60)\\y=24*\sqrt{3} \\y=24\sqrt{3}$

Approximate value (rounded to nearest tenth): $24\sqrt{3} =41.6$

Considering the triangle to the right, the side "opposite" to the angle given (53 degrees) is 41.6 (just found in part (a)) and the side "hypotenuse" (side opposite to 90 degree angle) is x. The trigonometric ratio sine relates opposite and hypotenuse.

Thus we can write and solve:

$Sin(53)=\frac{41.6}{x}\\x=\frac{41.6}{Sin(53)}=52.1$

4 0

3 years ago

What is the value of the expression below when y = 3? 10y - 8

ycow [4]

Answer:

Step-by-step explanation:

<h3>Given, y = 3 </h3>

substitute this value in given expression

=> 10y - 8

=> 10(3) - 8

=> 30 - 8

=> 22...ans

<h2>HOPE IT HELPS U!!!!</h2>

3 0

2 years ago

I would love some help pls, if anyone could talk me through it, that would be phenomenal I have no clue what’s going on lol

maks197457 [2]

Answer:

B) 7x - 3 = 4

Step-by-step explanation:

3x - 12 = -9

3x = 3

x = 1

A) NOPE

x - 5 = -6

x = -1

B) YES

7x - 3 = 4

7x = 7

x = 1

7 0

3 years ago