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3 years ago

What is the Vertex for #17? The axis of symmetry for #18?

Mathematics

1 answer:

Darya [45]3 years ago

5 0

The vertex for #17 is at 1,1 and the axis of symmetry is at -1 on the X line.i hope this helps.

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A contractors crew can frame 3 houses in a week. How long will it take them to frame 54 houses if they frame the same number eac

Gemiola [76]

54 divide by 3 then you get 18weeks

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3 years ago

Surface area of 8in,4in,14in

andriy [413]

Answer:

160 in^2.

Step-by-step explanation:

I guess this is a prism with 6 faces so the surface area is:

2 * 8 * 4 + 2 * 8*4 + 2*4*4

= 64 + 64 + 32

= 160 in^2.

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3 years ago

Find for the following functions. f(x) = 12x2 + 7x + 2 g(x) = 9x + 7

erastova [34]

Answer:

I Believe your answer is 12x2+16x+9

if not, be more specific for what you need, I will be glad to answer

Step-by-step explanation:

One of the following functions is made of a composition of f(x) and g(x)

12x2 + 16x + 2

21x3 + 14x + 2

12x2 + 16x + 9

21x2 + 14x + 2

If we sum f(x) with g(x) we have the answer 12x2+16x+9

Perfoming another operation like f(x)*g(x), f(x)-g(x), f(g(x)), doesnt give anything like the below functions.

5 0

3 years ago

A survey of 64 informed voters in Kenya revealed the following information:

Elena L [17]

Answer:

i) 12 believe neither of these things.

ii) 3 believe voting is a waste of time but don't believe that they have been abducted by space aliens.

Step-by-step explanation:

I'm going to solve these question treating these events as Venn sets.

I am going to say that:

Event A: Voting is a waste of time.

Event B: They have been abducated by space aliens.

45 believe that Voting is a waste of time

This means that $A = 45$

49 believe that they have been abducted by space aliens

This means that $B = 49$

42 believe both of these things

This means that $A \cap B = 42$

i). How many believe neither of these things?

Total of 64.

At least one is:

$A \cup B = A + B - A \cap B$

With the values we have

$A \cup B = 45 + 49 - 42 = 52$

None:

$64 - 52 = 12$

12 believe neither of these things.

ii). How many believe Voting is a waste of time but don't believe that they have been abducted by space aliens?

This is:

$A - B = A - (A \cap B) = 45 - 42 = 3$

3 believe voting is a waste of time but don't believe that they have been abducted by space aliens.

8 0

3 years ago

Rhian sat a maths test and an English test. in the maths test, she scored 14/17. in the English test, she scored 31/39. in which

Norma-Jean [14]

Answer:

She did better on the Math test.

Step-by-step explanation:

14/17 is 82 percent, and 31/19 is only about 80%.

5 0

3 years ago