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Masja [62]
3 years ago
6

The quantities x and y in a ratio are called

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0

Answer:

The graph relates the temperature change

y

(in degrees Fahrenheit) to the altitude change

x

(in thousands of feet).

a. Is the relationship proportional? Explain.

b. Write an equation of the line. Interpret the slope.

c. You are at the bottom of a mountain where the temperature is

74\F

. The top of the mountain is 5500 feet above you.

What is the temperature at the top of the mountain?

Step-by-step explanation:

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A university cafeteria wants to know the proportion of its 13,500 university students that prefer to eat organic foods. The cafe
Anuta_ua [19.1K]

Answer:

The approximate proportion of all university students that prefer to eat organic foods is 18 percent.

Step-by-step explanation:

3 0
3 years ago
Solve for b.<br> 75 - 15 = 56 - 3<br> b =
ANEK [815]

Answer:4/3

Step-by-step explanation:

75-15-56=3b

4=3b

b=4/3

4 0
3 years ago
Please help me! I'm stuck and really confused, thank you so much!
Kryger [21]

Answer:

(a) 5 * (2x - 1) = 10x - 5

(b) 6 * x = x + 2x + 3x

(c) \frac{1}{2}(x - 6) = \frac{1}{2}x - 3

(d) y(3x + 4z) = 3xy + 4yz

(e) z(2xy - 3y + 4x) = 2xyz - 3yz + 4xz

Step-by-step explanation:

Solving (a):

Given

10x - 5

Required

Express as a product

Express 10x as 5 * 2x

10x - 5 = 5 * 2x - 5

Apply distributive property

10x - 5 = 5(2x - 1)

10x - 5 = 5 * (2x - 1)

So:

5 * (2x - 1) = 10x - 5

Solving (b):

Given

x + 2x + 3x

Required

Express as a product

Express 2x and 3x as 2 * x and 3 * x, respectively

x + 2x + 3x = x + 2*x + 3*x

Apply distributive property

x + 2x + 3x = x(1 + 2 + 3)

x + 2x + 3x = x(6)

x + 2x + 3x = 6*x

So:

6 * x = x + 2x + 3x

Solving (c):

Given

\frac{1}{2}(x - 6)

Required

Express as a sum/difference

Apply distributive property

\frac{1}{2}(x - 6) = \frac{1}{2}x - \frac{1}{2}*6

\frac{1}{2}(x - 6) = \frac{1}{2}x - \frac{6}{2}

\frac{1}{2}(x - 6) = \frac{1}{2}x - 3

Solving (d):

Given

y(3x + 4z)

Required

Express as a sum/difference

Apply distributive property

y(3x + 4z) = 3x * y + 4z * y

y(3x + 4z) = 3xy + 4yz

Solving (e):

Given

2xyz - 3yz + 4xz

Required

Express as a product

Factorize

2xyz - 3yz + 4xz = 2xy * z - 3y * z + 4x * z

Apply distributive property

2xyz - 3yz + 4xz = z(2xy - 3y + 4x)

So:

z(2xy - 3y + 4x) = 2xyz - 3yz + 4xz

8 0
3 years ago
Trina rolled a number cube three times determine the probability of rolling and even number on each roll
LuckyWell [14K]
1/2 x 1/2 x 1/2 = 0.125

Assuming the dice is six-sided, we know that there are three even numbers. 3/6 can be simplified to 1/2. Since you want to get an even number three times, and you are using the same dice, you must multiple 1/2 by itself three times.
6 0
3 years ago
Is 600 + 2 the expanded form of 632? Explain how you know.
Anton [14]

If i remember correctly then the expanded form of 632 is

600+30+2

hope this helped ^^

5 0
3 years ago
Read 2 more answers
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