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podryga [215]
3 years ago
8

Question 11 of 25

Mathematics
1 answer:
malfutka [58]3 years ago
4 0

Answer:

D

Step-by-step explanation:

simple : when we have a point defined as (1, 4), it means x = 1, y = 4.

and since the point is on the graph of a function/equation it means that when we use x = 1 and calculate the equation, we get 4 as result (= y). so yes, that means that both sides of the "=" sign are indeed equal for this pair of values, which makes the equation true.

but there will be usually many other pairs that do that too.

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A stack of 60 identical books at the book store was 135 inches tall.
LekaFEV [45]
To find out the thickness of each book you would have to divide 135 inches by 60 to get 2.25 .

135 ÷ 60 = 2.25
 
so the answer would be A
5 0
3 years ago
What is the slope of the graph/ What does the slope tell you?<br><br> Answer both for brainliest
4vir4ik [10]

Answer:

Slope= 30

Step-by-step explanation:

What does the slope tell me?

It tells me that every time I try to find the slope with different points I get 30 for slope.

3 0
3 years ago
Henry knows that the circumference of a circle is 18mc006-1.jpg inches. What is the area of the circle?
lesantik [10]
The complete question is:
Henry knows that the circumference of a circle is 18π inches. What is the area of the circle?

Solution:
Circumference (C) of the circle can be written as:

C=2 \pi r \\ \\ 18 \pi =2 \pi r \\ \\ r=9

Using this value of radius, we can find the Area(A) of the circle.

A= \pi  r^{2}  \\  \\ &#10;A= \pi (9)^{2}  \\  \\ &#10;A=81 \pi

Therefore, area of the circle having a circumference of 18π inches will be 81π inches²
5 0
3 years ago
Find the approximate value of the circumference of a circle with the given radius. use = 3.14. round your results to one more de
sveta [45]
The circumference of the circle is about 25.12 inches. Hope it help!
4 0
3 years ago
Solve for x. 9(x + 1) = 25 + x
Anit [1.1K]

Answer:

Given the equation: 9(x+1) = 25+x

Distributive property of multiplication over addition states that when a number is multiplied by the sum of two numbers, the first number can be distributed to both of those numbers and multiplied by each of them separately i,e,

a\cdot (b+c)=a\cdot b+a\cdot c

Then, by using distributive property on LHS in the given equation we have;

9x+9 =25 +x

Subtract 9 from both the sides;

9x+9-9=25+x-9

Simplify:

9x = 16+x

Subtract x from both the sides we get;

9x-x=16+x-x

Simplify:

8x=16

Divide both sides by 8 we have;

\frac{8x}{8}= \frac{16}{8}

On Simplify:

x =2

Therefore, the value of x for the equation 9(x+1) = 25+x is, 2


8 0
3 years ago
Read 2 more answers
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