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3 years ago

What is the focus of the following graph?

Mathematics

1 answer:

diamong [38]3 years ago

5 0

Answer:

F(1,5)

Step-by-step explanation:

This is a vertical parabola.

The vertex is at (1,4).

The directrix is y=3.

The distance from the vertex to the directrix is p=1

The focus is (1,4+p), which is (1,4+1)

Therefore the focus is (1,5)

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Allen wants to have a mean of 90 on his math quizzes. So far, he has scored 86, 94, 88, 95, and 89. What is the least score that

viva [34]

Answer:

Step-by-step explanation:

$\frac{86 + 94 + 88 + 95 + 89 + x}{6} = 90$

The mean would be the sum of all the math quiz grades divided by the number of quizzes taken.

Solve for x:

$86 + 94 + 88 + 95 + 89 + x = 540$

$452 + x = 540$

$x = 88$

Thus, Allen needs at least an 88 to obtain a mean of at least 90.

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3 years ago

This is my question it is kind of confusing but can you guys help me solve it thanks.

Anna35 [415]

Answer:

2.3h - 2.9d - 14

Step-by-step explanation:

6h - 3.7h - 7.9d + 5d - 14

= 2.3h - 2.9d - 14

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2 years ago

Help answering this question please

IrinaK [193]

The transformation from 1 to 2 is a translation, as the shape is moved from one point to another with no rotation, reflection, or change in size.

The transformation from 2 to 3 is a reflection, as the shape is now upside down. It is still the same distance from the y-axis.

The answer is D. translation, then reflection.

3 0

3 years ago

Read 2 more answers

What is the answer to: -|4| - 9 =??

Delvig [45]

$-|4| - 9 =\\
-4-9=\\
-13$

8 0

3 years ago

Which option shows cos Ø?

MrMuchimi

B
sohcahtoa

cah
adjacent over hypotenuse
5/29

7 0

3 years ago