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2 years ago

HELP PLZ!!!!

Mathematics

1 answer:

FromTheMoon [43]2 years ago

8 0

Answer:

reflection over x-axis

hope that helps!!!

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A fuel-tanker's tank is 50 feet long and has a diameter of seven feet. Determine the surface area of the fuel tank.

Bezzdna [24]

Answer:

1176.679ft²

Step-by-step explanation:

The question is on surface area of a cylindrical fuel tank

Equation for surface area of a cylinder

S.A = 2 $\pi$ rh +2 $\pi$ r²

where r is the radius of cylinder and h is height of cylinder

Diameter=7'⇒r=3.5' and h=50'

Surface Area= 2×3.142×3.5×50 + 2×3.142×3.5×3.5

S.A=1099.7+76.979=1176.679ft²

6 0

3 years ago

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Can you help me on unmber 2 or 3 Plzz show work

NikAS [45]

Step-by-step explanation:

In,

Question 2 I have already answered,

Q. 3)

<h3>Given Question:</h3>

$\frac{ {c}^{2} }{d}$

Given values:-

c = 6 , d = 3

By putting the values in the question, 

$\frac{ {6}^{2} }{3}$

$= \frac{36}{3}$

= 12 (Ans)

3 0

3 years ago

Find the value of x 3x+6 41 6x-5 4x+7 62 7x-11

padilas [110]

Answer:

Step-by-step explanation:

Simplifying

3x + 6 + 7x + -11 + 41 + 62 + 6x + -5 + 4x + 7 = 360

Reorder the terms:

6 + -11 + 41 + 62 + -5 + 7 + 3x + 7x + 6x + 4x = 360

Combine like terms: 6 + -11 = -5

-5 + 41 + 62 + -5 + 7 + 3x + 7x + 6x + 4x = 360

Combine like terms: -5 + 41 = 36

36 + 62 + -5 + 7 + 3x + 7x + 6x + 4x = 360

Combine like terms: 36 + 62 = 98

98 + -5 + 7 + 3x + 7x + 6x + 4x = 360

Combine like terms: 98 + -5 = 93

93 + 7 + 3x + 7x + 6x + 4x = 360

Combine like terms: 93 + 7 = 100

100 + 3x + 7x + 6x + 4x = 360

Combine like terms: 3x + 7x = 10x

100 + 10x + 6x + 4x = 360

Combine like terms: 10x + 6x = 16x

100 + 16x + 4x = 360

Combine like terms: 16x + 4x = 20x

100 + 20x = 360

Solving

100 + 20x = 360

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-100' to each side of the equation.

100 + -100 + 20x = 360 + -100

Combine like terms: 100 + -100 = 0

0 + 20x = 360 + -100

20x = 360 + -100

Combine like terms: 360 + -100 = 260

20x = 260

Divide each side by '20'.

x = 13

Simplifying

x = 13

4 0

3 years ago

A ski hat is priced at 19.50 and a pair of ski boots are priced at 85.50. If the sales tax rate is 7%, then what is the total co

m_a_m_a [10]

Answer:

The total cost of the ski hat and the ski boots is $112.35.

Step-by-step explanation:

First, we need to add the prices of the ski hat and the ski boots.

85.50 + 19.50 = $105

Now, we need to find 7% of $105, and then add it to the total.

105 x 0.07 = $7.35

105 + 7.35 = $112.35

Therefore, the total cost of the ski hat and the ski boots is $112.35.

Let me know if this helps!

3 0

3 years ago

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What is the value of -44.4-7?

KengaRu [80]

Answer:

-51.4

Step-by-step explanation:

3 0

3 years ago

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