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Savatey [412]
4 years ago
14

Writing equations from graphs

Mathematics
1 answer:
s344n2d4d5 [400]4 years ago
4 0
The equation is y = 3x + 4
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brilliants [131]

Answer:

x(x + 4) = 21

Step-by-step explanation:

Area = length * width.

21 = x + 4  *  x

x(x + 4) = 21


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A line passes through $A(1,1)$ and $B(100,1000)$. How many other points with integer coordinates are on the line and strictly be
jonny [76]

Answer:

98

Step-by-step explanation:

Integers are whole numbers or opposite of whole numbers.

The slope is 1.

How?

Change of y is 100-1=99.

Change of x is 100-1=99.

The slope is 99/99=1 or 1/1.

So if we start at (1,1) and we rise 1 and run 1 right, we get (2,2).

If we do that again from (2,2) we get (3,3).

Following the pattern of going up 1 and right from each new location discovered we get all the of these points:

Start (1,1)

(2,2)

(3,3)

(4,4)

(5,5)

(6,6)

....

(96,96)

(97,97)

(98,98)

(99,99)

end (100,100)

So we just need to count all the numbers from 2 to 99.

99-2+1

97+1

98

7 0
3 years ago
The length of the ears on the shadow puppet is 3 inches. The length of the ears on the shadow is 4 inches. What is the scale fac
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The scale factor is the number u multiply by the first image to get to the second image.

so 3 times what = 4
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3 0
3 years ago
-1/2x&gt;4 solve for x​
tangare [24]

Answer:

X<-8

Step-by-step explanation:

-1/2x>4

Multiple both sides by -2

-2(-1/2)x<-2(4)

Multiple even numbers of negative terms

2(1/2)x<-2(4)

Cancel out the 2

(2 this is out)(1/(2 this is out))x<-2(4)

x<-2×4

Multiple

x<-8

3 0
4 years ago
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