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nadezda [96]
3 years ago
11

I need the answer for both of the questions

Mathematics
2 answers:
KIM [24]3 years ago
8 0

Answer:

B. and A.

Step-by-step explanation:

I had the same question and for me it was A. and B.

soldier1979 [14.2K]3 years ago
3 0
I think it’s b and a
You might be interested in
If f(x) = 7, then x = ______ .
Yuri [45]

Answer:

x= -10

Step-by-step explanation:

Go to when y=7 and then find what point hits it. you'll find (-10, 7) hits that point. If you're not sure where x is, follow the point down the line until you reach the x axis to see where it lands

3 0
3 years ago
Factor the trinomial below x^2+7x-30
Triss [41]

Answer:

(x + 10)(x - 7)

Step-by-step explanation:

It is 3 and 10 in some order. The difference is 7 and it is plus, so the larger number is +10 and the smaller one - 3

(x + 10)(x - 3) should be the answer

10x - 3x = 7x

5 0
4 years ago
Which expression is equivalent to 10 square root 5
IRINA_888 [86]

Answer:

<h2>a) \sqrt{500}</h2>

Step-by-step explanation:

10 \sqrt{5}

\sqrt{ {10}^{2} }   \sqrt{5}

\sqrt{5 \times  {10}^{2} }

\sqrt{5 \times 100}

\sqrt{500}

6 0
3 years ago
Solve (x - 2)^2 - 3 = 1 graphically. That is graph y = (x - 2)^2 - 3 and y = 1 on the same set of axes and find the x-value(s) o
mafiozo [28]

Check the attachment(s) for the graphs pertaining to the question

No. 1) Check graph [first attachment]

No. 2) y = (x - 2)^2 - 3, y = 1

           (x - 2)^2 - 3 = 1,

           (x - 2)^2 = 4

            x - 2 = √4, x - 2 = - √4

            x = 4, x = 0

Substitute back to determine the respectively y-value:

y = (4 - 2)^2 - 3 = (2)^2 - 3 = 4 - 3 = 1

Check: y = (0 - 2)^2 - 3 = (-2)^2 - 3 = 4 - 3 = 1

So the points of intersection are (4, 1) and (0, 1). According to the graph, that is correct.

4 0
3 years ago
4. What number is its own additive inverse? Why?​
exis [7]

Answer:

0 (zero)

Step-by-step explanation:

It is the only Rational number, which is its own additive inverse.

Additive inverse of ….

2 is -2

-3 is 3

7/9 is -7/9

-1 is 1

1 is -1

I gave a few examples above, each is additive inverse of the other because their sum = 0. For finding additive inverse we only need to change its sign., and if we need both numbers equal, it has to be 0. Since 0+0 = 0.

<em>Hope this Helps!!!</em>

5 0
3 years ago
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