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EastWind [94]
3 years ago
11

Can someone plz help how to solve this by showing the work to

Mathematics
1 answer:
harkovskaia [24]3 years ago
7 0
Just multiply the number out of the parentheses with the ones inside. So -8 times 9=-72 and 3q times -8=-24q. Now keep the same operation, which is subtraction in this case.So, -72--24q or -72+24q will be the correct answer.
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Does anyone know the account brookebyewater?
aliya0001 [1]

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7 0
2 years ago
In the function y = -5x2 + 5 , the graph will open down, be shifted up 5 units, and it will be wider than the parent function y
masya89 [10]
We are considering the function y=f(x)=-5 x^{2} +5

the graph of this function is the graph of the parent function y=g(x)= x^{2} after applying the following steps.

1. multiply by -1:

-x^{2} is x^{2} reflected with respect to the x-axis.


2. multiply by 5:

-5x^{2} is -x^{2} shrinked towards the y axis. 

for example, consider x=1/2

 -5x^{2}=-5( \frac{1}{2} )^{2}=-5* \frac{1}{4}= \frac{-5}{4}=-1.25

 -x^{2}=- ( \frac{1}{2} )^{2}=- \frac{1}{4}=-0.25

now this means that -5x^{2} is "lower" than -x^{2}, which means there is a shrinking of the graph.

3. add 5:

-5 x^{2} +5 is -5 x^{2} shifted 5 units up.


4.

so the graph of the function a) opens down, b) is shifted 5 units up, c) is not wider than the parent function



Answer: False
6 0
4 years ago
Triangle A'B'C' is a reflection of triangle ABC across the line I. Select ALL
Inessa05 [86]

Answer:

Step-by-step explanation:

x- axis is 2 units away

8 0
4 years ago
Simplify. (Do not round)<br><br> a = -2.6 n = .24<br><br> 5.4a - 3n + 6.2a + 2.6n
BlackZzzverrR [31]

Answer:

-30.256

Step-by-step explanation:

5.4(-2.6) - 3(0.24) + 6.2(-2.6) + 2.6(0.24)=

-14.04 - 0.72 - 16.12 + 0.624=

-30.256

8 0
3 years ago
Any proof professionals please help!!!!!!!! We don't drag or drop answers in we have to write them out ourselves!!!! It's worth
ss7ja [257]

Answer:

See below.

Step-by-step explanation:

1. Given.

2. Given

3. Definition of  angle bisector.

4. BD ⊥ AC

5. They are both right angles.

6. This is common on to both triangle  ABD and CBD.

7. Congruent by 2 angles and the corresponding side ( ASA?)

8. CPCTC

9. Definition of an isosceles triangle.

7 0
3 years ago
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