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LuckyWell [14K]
3 years ago
11

HELP!! 4 questions !!! easy points!! 25 points!! please answer quick!

Mathematics
1 answer:
Afina-wow [57]3 years ago
4 0

Step-by-step explanation:

(i) From the graph value of x varies -3 to 3 i.e.

-3\leq x\leq 3

and domain in the input values which function can take

So, option (d) is correct.

(ii) option (d) is correct as it represent the function y=x. While all the other function does not satisfy the given conditions.

(iii) (-14,-15), (-9,-10) are the parts of solution pair.

(iv) Option (c) and (d) represents the function as each element of the first set has a unique image in the second set.

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G(x)=x3 -2x2+5x-8g(-5)
taurus [48]

Answer:

g(x)=x3-2x2+5x+40g

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
There are 92 students in a chemistry class. The instructor must choose two students at random. Students in a Chemistry Class Aca
Sergio039 [100]

Answer:

0.0108 = 1.08% probability that a sophomore non-Chemistry major and then a junior non-Chemistry major are chosen at random.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Probability that a sophomore non-Chemistry major

Out of 92 students, 9 are non-chemistry major sophomores. So

P(A) = \frac{9}{92}

Then a junior non-Chemistry major are chosen at random.

Now, there are 91 students(1 has been chosen), of which 10 are non-chemistry major juniors. So

P(B) = \frac{10}{91}

What is the probability that a sophomore non-Chemistry major and then a junior non-Chemistry major are chosen at random

P = P(A)*P(B) = \frac{9}{92}*\frac{10}{91} = \frac{9*10}{92*91} = 0.0108

0.0108 = 1.08% probability that a sophomore non-Chemistry major and then a junior non-Chemistry major are chosen at random.

8 0
3 years ago
A farmer is planning how to divide his land for planting next year’s crops. A triangular plot of land is left with two known sid
jeka57 [31]

He can either measure the third side length, apply the Pythagorean theorem to find the height of the triangle, and then calculate the area, or he can find the measure of the included angle between the  known side lengths and use trigonometry to express the height of the triangle and then determine the

area of the triangle

7 0
3 years ago
A right triangle has legs that are 11 inches and 13 inches long.What is the area of the triangle?
Citrus2011 [14]
Just use your right angled triangle formula.

A=\frac{ab}{2}

Plug n chug 

A=\frac{11*13}{2}
A=71.5 in^{2}
5 0
3 years ago
Veronica has been saving dimes and quarters. She has 94 coins in all and the total value is $19.30. How many dimes and how many
Stolb23 [73]

Answer:

Step-by-step explanation:

d + q = 94.....d = 94 - q

0.10d + 0.25q = 19.30

0.10(94 - q) + 0.25q = 19.30

9.4 - 0.10q + 0.25q = 19.30

-0.10q + 0.25q = 19.30 - 9.40

0.15q = 9.90

q = 9.90/0.15

q = 66 <===== there are 66 quarters

d + q = 94

d + 66 = 94

d = 94 - 66

d = 28 <==== there are 28 dimes

3 0
3 years ago
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