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goblinko [34]
3 years ago
13

Assume each variable has a different value. Which relations below are functions? a. {(a, b), (a, c), (a, d), (a, e)} b. {(a, b),

(b, b), (c, b), (d, b)} c. {(a, b), (c, d), (e, f), (g, h)} d. {(a, a), (b, c), (c, c), (d, e)}
A. choice a only

B. choices b and c only

C. choice c only

D. choices b, c, d only
Mathematics
1 answer:
viva [34]3 years ago
5 0
D. choices b, c, d only is the right choice. hope it will help you!
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Write the equation of the line that has a slope of 2 and passing through (3,-4) point
wel

Answer:

y=2x-10

Step-by-step explanation:

We know that the line has a slope of 2 and it passes through the point (3, -4).

So, we can use the point-slope form:

y-y_1=m(x-x_1)

Where m is the slope and (x₁, y₁) is a point.

So, let’s substitute 2 for m and (3, -4) for (x₁, y₁). This yields:

y-(-4)=2(x-3)

Solve for y. Distribute the right:

y+4=2x-6

Subtract 4 from both sides. Therefore, our equation is:

y=2x-10

4 0
3 years ago
What two consecutive whole numbers lie between the square root of 55?
Kamila [148]
\boxed{7 \ \textless \  \sqrt{55} \ \textless \  8}\\\\because\ 7^2=49 \ \textless \  55\ and\ 8^2=64 \ \textgreater \  55
6 0
3 years ago
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Simplify the expression. Show all of your work. 16 plus 4 cubed times 2 divided by 16
frozen [14]

Answer:

528

Step-by-step explanation:

Question: 16 + 4^{3} * 2 ÷ 16

Work:

4^{3} = 64

2/16 = 0.125

64/0.125 = 512

512 + 16 = 528

4 0
3 years ago
At a sale, a sofa is being sold for 64% of the regular price. The sale price is $592. What is the regular price?
yulyashka [42]

Answer:

925



Step-by-step explanation:

Formula =592 x 100/64 = 925

8 0
3 years ago
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What is x at most 30
andrezito [222]

Answer:

x < 30

Step-by-step explanation:

x is every number less or equal to 30


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