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Nataliya [291]
3 years ago
9

Help me please ASAP

Mathematics
2 answers:
11111nata11111 [884]3 years ago
4 0

Answer:

i think it is b(-22)

Step-by-step explanation:

i hope this helps

avanturin [10]3 years ago
4 0

Answer:

The answer is D.

Step-by-step explanation:

When plugging {-2} into the equation it will equal -7.

3(-2)-1=7

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If f(x) =2x²-x, find f(-4)-f(9)​
sergeinik [125]
F(-4) = 36
f(9) = 153
3 0
3 years ago
Round your answer to the nearest hundredth AC=
KatRina [158]

Answer:

AC ≈ 2.96

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos65° = \frac{adjacent}{hypotenuse} = \frac{AC}{AB} = \frac{AC}{7}

Multiply both sides by 7

7 × cos65° = AC , thus

AC ≈ 2.96 ( to the nearest hundredth )

7 0
3 years ago
Increase £30 by 15% what is the answer
zheka24 [161]
30X15=450. 450:100= 4,50. 30+4,50= 34,50
7 0
3 years ago
Find the point(s) of intersection between the quadratic function y = x + 4x + 4 and the linear function y = 2x+4.​
Andrews [41]

Answer:

(0, 4)

Step-by-step explanation:

To find the intersection of two lines, we want to find the value when they equal each other. To do this, we want to set the equations equal to each other.

First, let's simplify y = x + 4x + 4 by combining the x's.

y = 5x + 4

Now let's set the equations equal to each other. Since they both equal y, we can set the opposite sides equal to each other.

5x + 4 = 2x + 4

Now you want to combine the terms.

[subtract 4] 5x = 2x

[subtract 2x] 3x = 0

Now you want to isolate the x.

[divide by 3] x = 0

Now we want to find y by plugging x = 0 back into the equations.

y = 5(0) + 4

[multiply] y = 0 + 4

[add] y = 4

Check this with the other equation.

y = 2(0) + 4

[multiply] y = 0 + 4

[add] y = 4

Your answer is correct!

(0, 4)

4 0
2 years ago
A ,b,c or d? I need help pls help me
disa [49]
The answer will be Apples
7 0
3 years ago
Read 2 more answers
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