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tino4ka555 [31]
3 years ago
11

Can you figure this out please..

Mathematics
1 answer:
Naddik [55]3 years ago
3 0

Answer:

n = 5, 6, 7

Step-by-step explanation:

Change the fractions into fractions with a denominator of 16

Multiply numerator/denominator by 4

\frac{1}{4} = \frac{4(1)}{4(4)} = \frac{4}{16}

Multiply the numerator/denominator by 8

\frac{1}{2} = \frac{8(1)}{8(2)} = \frac{8}{16}

Thus \frac{n}{16} is between \frac{4}{16} and \frac{8}{16}

Meaning it can be any of

\frac{5}{16}, \frac{6}{16}, \frac{7}{16} with n = 5, 6, 7

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Which statement is true concerning the vertex and axis of symmetry of h(x)=−2x2+8x?
frozen [14]

Answer:

the vertex is at (2, 8) and the axis of symmetry is x = 2

Step-by-step explanation:

In h(x)=−2x2+8x please use the symbol " ^ " to indicate exponentiation:

h(x)=−2x^2+8x      

This is a quadratic equation with coefficients a = -2, b = 8 and c = 0.

The axis of symmetry equation is x = -b/ (2a).

                                                                                                -8

Here, with a = -2 and b = 8, the axis of symmetry is   x = --------- = 2

                                                                                               2(-2)

To find the y-coordinate of the vertex, substitute 2 for x in h(x)=−2x^2+8x, obtaining

h(2) = -2(2)^2 + 8(2) = -2(4) + 16 = 8

In summary, the vertex is at (2, 8) and the axis of symmetry is x = 2.

5 0
3 years ago
Read 2 more answers
Rewrite 2/20 : 1/40 as a unit rate
Valentin [98]

Answer:

\frac{4}{1}

Step-by-step explanation:

<u>Given:</u>

2/20 : 1/40

A). First re-write the ratio as follows;

(i) Change the ratio sign to division (÷). i.e

2/20 ÷ 1/40

(ii) Solve the expression by changing the division to multiplication(×). This also means you will need to swap the numerator and the denominator of the second term. i.e (1 / 40) becomes (40 / 1)

(2/20) × (40 / 1) = \frac{2}{20} × \frac{40}{1} = \frac{4}{1}

B). Now convert the result from above to unit rate. A unit rate is a rate in which the denominator has a value of 1.

So to convert   \frac{4}{1}  to unit rate, we keep simplifying until the denominator becomes 1.

And since the denominator is already 1, there is no need for further simplification.

Therefore, 2/20 : 1/40 to unit rate is  \frac{4}{1}

5 0
3 years ago
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Please help please please
hammer [34]

Answer:

A. The lines stay parallel

Step-by-step explanation:

Rigid transformations do not change angle or line relationships. When the parallel lines are rotated they stay parallel. Reflecting them will keep them parallel. If this were not true, then figured with parallel lines like rectangles and squares would change shape when reflected.

4 0
3 years ago
Question 11 of 17<br> What are the coordinates of the point that is of the way from A to B?
Nitella [24]

Step-by-step explanation:

b l think so

8 0
2 years ago
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1\7 + 1\2=? show all your steps
marin [14]

Answer:

Step 1

Can you add yet? Nope! The denominators don't match. We need a common denominator. So next we take both denominators and multiply them. Next, take each numerator and multiply it by the denominator of the other term.

So, we multiply 1 by 2, and get 2, then we multiply 7 by 2 and get 14.

1/7 times 2

Now for the second term. You multiply 1 by 7, and get 7, then multiply 7 by 2 and get 14.

1/2 times 7

We now have a new problem, that looks like this:

2/14   + 7/14

Step 2

Since our denominators match, we can add the numerators.

2 + 7 = 9

Answer:

9/14

Step-by-step explanation:

7 0
2 years ago
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