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Vsevolod [243]
3 years ago
7

Write the equation for a parabola with a focus at (9,0) and a directrix at y = -4.

Mathematics
2 answers:
Alika [10]3 years ago
8 0

Answer:

Step-by-step explanation-3:

kondor19780726 [428]3 years ago
4 0

Answer:

(x-9)^2/8 -2 is the correct answer.

Step-by-step explanation:

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A study of several cities shows a positive correlation between the number of churches and the
gtnhenbr [62]

<u>Answer- </u>

<em>A. More churches lead to more crimes. </em>

<u>Solution-</u>

Properties of Correlation Coefficient,

1- A positive correlation means that if one variable gets bigger, the other variable tends to get bigger.

2- A negative correlation means that if one variable gets bigger, the other variable tends to get smaller.


Here,there is a positive correlation between the number of churches and the city’s crime rate. So as the number of churches increase, the crime rate also gets increased.

3 0
3 years ago
What is the absolute value of the complex number -4-2?<br> 14<br> 3153
AfilCa [17]

Answer:-6

Step-by-step explanation:

simple math

7 0
3 years ago
Numbers A set of 25 two digit numbers are listed below.
Damm [24]

Answer:

14/25

Step-by-step explanation:

5 0
3 years ago
The dimensions of a rectangle are given in
alexandr1967 [171]

Option A and Option F

The expressions that represent the perimeter of rectangle are 4s + 1 and 2(2s + \frac{1}{2})

<em><u>Solution:</u></em>

From figure,

Length = s

Width = s + \frac{1}{2}

<em><u>The perimeter of rectangle is given as:</u></em>

perimeter = 2(length + width)

Substituting the values we get,

perimeter = 2(s + s + \frac{1}{2})\\\\perimeter = 2(2s + \frac{1}{2})

Thus option F is correct

On further simplification,

perimeter = 2(2s + \frac{1}{2})\\\\perimeter = 4s + 2(\frac{1}{2})\\\\perimeter = 4s + 1

Thus Option A is correct

3 0
3 years ago
He has 2yards of the string .He cut 5 /8 yards of the string for his project how much left
belka [17]
It would probably be 1 and 3/8 yards of string left because if he cut 5/8 yards of the string it would be a subject of subtraction, so if you would subtract that amount from 2 yards, the answer would be 1 and 3/8 yards of string left, hope this helps, good luck
6 0
3 years ago
Read 2 more answers
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