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Ivahew [28]
3 years ago
15

Please Please Please help. Explain both A and B for thanks and Brainliest

Mathematics
1 answer:
babunello [35]3 years ago
6 0
The domain of A is the set of  x values = {-4, - 2, 1, 4}
and the range is { -2 ,1 and 4}

b)  domain is {-4 , -3 , 1}
and range is {1, 3 , 4}
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How I get x for number 7
lakkis [162]

Answer:

x = 50

Step-by-step explanation:

Angles of a triangle add up to 180°.  So the third angle of the triangle on the right is:

180° − 43° − 57° = 80°

Vertical angles are congruent, so the angle on the other side is also 80°.  Therefore:

x° + x° + 80° = 180°

2x° = 100°

x = 50

6 0
4 years ago
2% Of 144.4 is what is what
nevsk [136]
2% of 144.4 would be 2.888 repeating of course
3 0
3 years ago
Can someone please help me with this?
vivado [14]

Answer:

Step-by-step explanation:

As we can see it is a right angled triangle so

hypotenuse (h) = 14 . 7 km

perpendicular (p) = 11.9 km

base (b) = x

Now by using Pythagoras theorem

b^{2} = h^{2} - p ^{2}

b^{2} = 14.7^{2} - 11.9^{2}

b^{2} = 216.09 - 141.61

b^{2} = 74.48\\b = \sqrt{74.48} \\b = 8.63 km

Hope  it was helpful.:)

3 0
3 years ago
If f(x)=3x-7, find f(x)=2
Arisa [49]

Answer:

x = 2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bz%E2%81%B4%7D%7Bxyz%7D" id="TexFormula1" title="\frac{z⁴}{xyz}" alt="\frac{z
alexandr1967 [171]

Answer:

The answer would be

\frac{z {}^{3} }{xy}

Step-by-step explanation:

the common factor i.e. z gets canceled out

4 0
3 years ago
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