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2 years ago

Can someone help me with 3,4,5 please?

Mathematics

1 answer:

anzhelika [568]2 years ago

7 0

Answer:

the approximate range of change is 150 for 3

the approximate range of change is 1600 for 4

between 1970 and 1975

please give me brainlest

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Which equation represents the graphed function?

nadezda [96]

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Answer:

y = 1/4x -2

Step-by-step explanation:

The line rises one unit from -2 to -1 as x changes from 0 to 4. The slope is ...

m = rise/run = 1/4

The y-intercept (b) is where the line crosses the y-axis, at y = -2.

The equation in slope-intercept form is ...

y = mx + b

y = 1/4x -2

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2 years ago

Solve for x <br> x=what<br> 11x + 6 = 28

vodka [1.7K]

Answer:

X = 2

Step-by-step explanation:

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2 years ago

Read 2 more answers

What are the x-intercepts of y=x^2+2x-15

Sedbober [7]

Answer:

$(-5,0)$ and $(3,0)$

Step-by-step explanation:

Think about it.

What two numbers multiply to -15 and add up to 2?

The answers are 5 and -3.

So plug that into the factored form of a parabola.

$y=(x+5)(x-3)$

To find the x-intercepts, plug in 0 for $y$ .

$(x+5)(x-3)=0$

Since we are multiplying, at least one of the terms has to equal 0.

$x+5=0 \\ x-3=0 \\ \\ x=-5,3$

So the x-intercepts are $(-5,0)$ and $(3,0)$ .

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2 years ago

Find the hypotenuse of a right triangle if side a=3 and side b=4

Slav-nsk [51]

Answer:

5 units

Step-by-step explanation:

By Pythagoras theorem:

$(hypotenuse)^2 = a^2+ b^2\\\therefore hypotenuse = \sqrt{a^2+ b^2} \\\therefore hypotenuse = \sqrt{3^2+ 4^2} \\\therefore hypotenuse = \sqrt{9+ 16} \\\therefore hypotenuse = \sqrt{25} \\\therefore hypotenuse = 5\: units$

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2 years ago

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GenaCL600 [577]

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2 years ago