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meriva
4 years ago
14

HELP PLEASE 75 POINTS PLUS BRAINLIEST

Mathematics
2 answers:
Cerrena [4.2K]4 years ago
8 0

Answer: for orange u reverse when u flip for green i answer

-4 < x _< 9

Step-by-step explanation:

Pachacha [2.7K]4 years ago
5 0

Answer:

Answer: ]-4, 9] or (-4, 9]

You reverse the inequality symbol when you multiply by -1

Step-by-step explanation:

-7 < x - 3 < = 6   / +3

-7 + 3 < x - 3 + 3 <= 6 + 3

-4 < x <= 9

Answer: ]-4, 9] or (-4, 9]

You reverse the inequality symbol when you multiply by -1

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A rectangular athletic field is twice as long as it is wide. If the perimeter of the athletic field is 72 yards, what are its di
kykrilka [37]

Answer:

Width= 12 yards

Length= 24 yards

Step-by-step explanation:

Perimeter of a rectangle= 2(length + width)

Let

w= width

Twice as long as it is wide

Length= 2w

Perimeter of the rectangle= 72 yards

Perimeter of a rectangle= 2(length + width)

72 = 2(2w + w)

72 = 4w + 2w

72 = 6w

Divide both sides by 6

72/6 = w

12= w

w=12

Therefore,

Width= 12 yards

Length= 2w

=2(12)

=24 yards

8 0
4 years ago
The equation for the line that has a slope of −38 and passes through (0, 10) is please help me with this problem.
xenn [34]

Answer:

  • y = -38x + 10

Step-by-step explanation:

<u>Slope- intercept form:</u>

  • y + mx = b

<u>Given</u>

  • m = -38 and point (0, 10)

As per given point, y-intercept is b = 10

<u>So the equation is:</u>

  • y = -38x + 10
3 0
3 years ago
How do you find the slope of a line?<br><br> (Change in Y / Change in X)
sukhopar [10]
In order to find the slope of a line, u must use the slope formula. Which is (y2-y1/x2-x1). For example if you had a set of coordinates that are (6,4) and (2,8) you would first sub the 8 from4 which gives you 4. The u do the same with 2 and 6 which gives u 4. After that you divide 4 by 4. and your answer is 1
8 0
3 years ago
Can anyone slove for x and check?<br><br>-3 = x - 5<br><br><br>​
Veseljchak [2.6K]

Answer:

x=2

Step-by-step explanation:

just add 5 to both sides of the equation

7 0
3 years ago
Read 2 more answers
Suppose that Elsa and Frank determine confidence intervals based on the same sample proportion and sample size. Elsa uses a larg
Gennadij [26K]

Answer:

elsa's interval width will be greater than that of frank

Step-by-step explanation:

first of all we are told that both Elsa and Frank have the same sample proportion so their midpoint is also going to be the same.

now as the confidence level goes higher, so also would the margin of error increase. then the width of the confidence interval would rise so it can be more confident.

from this question elsa has a larger confidence level therefore her intervals width will be greater than franks own.

3 0
3 years ago
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