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sweet-ann [11.9K]
3 years ago
9

Do anyone know about this ?

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
8 0
Nope what class is that
Contact [7]3 years ago
3 0
Yes jerhhdbdvddh Hannah
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Suppose the price of admission to the state fair is $9.50, and each ride costs an additional $2.25.
alexandr402 [8]

Answer:

C

Step-by-step explanation:

You need to multiply the variable by how much each ride costs.

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3 years ago
A bag contains 120 marbles. Some are red and the rest are black. There are 19 red marbles for every black marble. How many red m
Alexus [3.1K]

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6

Step-by-step explanation:

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6 0
3 years ago
Ms. O’Grady has 6 1/8 gallons of paint. She needs 1 2/5 gallons to paint each wall in her house. How many complete walls can Ms.
guajiro [1.7K]

Answer: 4 walls

Step-by-step explanation: We know that Ms. O'Grady has approximately 6 1/8 gallons of paint, and needs 1 2/5 gallons per wall she paints. Key words like "per" and "each" tells us that we need to divide these two numbers. However, we run into one problem: the two fractions have 2 different denominators (the number on the bottom of the line) But don't fret! There is an easy fix to this: Multiply the fractions so they match.

In order to do this, we need to find the least common multiple of the numbers 8 and 5. A simple way of doing this is muliplying the numbers together: 8x5=40. Therefore, we need to change our fractions so both denominators equal 40.

1/8 x 5/5 = 5/40

2/5 x 8/8 = 16/40

Now that we have our fractions writen in much simpler terms, we need to add the coefficients to them.

6 + 5/40 = 245/40

1 + 16/40 = 56/40

Now, we divide 245 by 56, which gets us 4 15/40, which can be simplified to 4 3/8. However, Ms. O'Grady can only paint 4 ENTIRE walls. The 3/8 does not matter in this scenario because she can only paint 3/8 of the wall. Therefore, your answer is 4. I hope this helps. :)

7 0
3 years ago
A helicopter pilot sees an island at a 70° angle of depression from the horizontal. In the
Luba_88 [7]

Answer:

1231 ft

Step-by-step explanation:

Draw a right triangle. Label the height of the triangle. as 800 since the height of the triangle represents the height of the helicopter above the coast of the island. Label the base length of the triangle as d to represent the distance between the coast of the island and the coast of the mainland, P. The angle of depression from the helicopter to point P is 33° so draw a horizontal dotted line at the location of the helicopter and label the angle made by the horizontal line and the hypotenuse of the right triangle as 33°. The angle of elevation from P to the helicopter and the angle of depression from the helicopter to point P are congruent alternate interior angles so label the angle at P as 33°.  

The side labeled 800 is opposite of P and the side labeled d is adjacent to P so you can use tangent to write an equation. Solve this equation for d and round to the nearest whole number.

5 0
3 years ago
If g(x) =x2 + 2 find g(3)
Alenkinab [10]

Hey there! :)

Answer:

g(3) = 11.

Step-by-step explanation:

Given g(x) = x² + 2

Plug '3' into 'x' to solve for g(3):

g(3) = (3)² + 2

g(3) = 9 + 2

g(3) = 11.

4 0
4 years ago
Read 2 more answers
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