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KonstantinChe [14]
2 years ago
7

I WILL GIVE YOU BRAINLY PLSS

Mathematics
2 answers:
Mekhanik [1.2K]2 years ago
5 0

Answer:

B

Step-by-step explanation:

you can't have 143

but you also have toe have less

so < 143

andrew-mc [135]2 years ago
3 0

Answer:

≤143

Step-by-step explanation:

At most means no more than, so it would be less than or equal to.

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3 ft 9 in + 4 ft = <br> ft <br> in
Maurinko [17]

Answer:

7 ft and 9 inches

Step-by-step explanation:

6 0
2 years ago
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A recent poll of 1500 new home buyers found that 60% hired a moving company to help them move to their new home. Find the margin
Mrac [35]

Answer:

The margin of error M.O.E = 2.5%

Step-by-step explanation:

Given that;

The sample size = 1500

The sample proportion \hat p = 0.60

Confidencce interval = 0.95

The level of significance ∝ = 1 - C.I

= 1 - 0.95

= 0.05

The critical value:

Z_{\alpha/2} = Z_{0.05/2} \\ \\  Z_{0.025} = 1.96 (From the z tables)

The margin of error is calculated by using the formula:

M.O.E = Z_{\alpha/2} \times \sqrt{\dfrac{\hat p(1 -\hat p)}{n}}

M.O.E = 1.96 \times \sqrt{\dfrac{\hat 0.60(1 -0.60)}{1500}}

M.O.E = 1.96 \times \sqrt{\dfrac{0.24}{1500}}

M.O.E = 1.96 \times \sqrt{1.6 \times 10^{-4}}

M.O.E = 0.02479

M.O.E ≅ 0.025

The margin of error M.O.E = 2.5%

8 0
3 years ago
The lines y= 2x+4 and y=x-3 intersect. find the coordinates of the point of intersection
Yuri [45]

Answer:

(-7, -10)

Step-by-step explanation:

Solve for x and y in double variable equation

y = 2x + 4

y = x - 3

y = x - 3, plug in to first equation

x - 3 = 2x + 4

x = -7

y = -7 - 3

y = -10

(-7, -10)

5 0
2 years ago
Lori wants to determine the average amount of time that students at her school spend on a computer each day there are 350 studen
Bezzdna [24]

Answer:

2 students from each 15 classrooms

Step-by-step explanation:

"The number of boys and girls is approximately equal" is probably the most random sample, that is if the whole topic of the publication is Lorrie and her experimenting endeavors. If that is not the subject, then "Lorrie wants to determine the average amount of time that students at her school spend on the computer each day" is the most strange and random

3 0
3 years ago
Please answer correctly! I will mark you Brainliest!
weeeeeb [17]

Answer:

4.1 inches

<u>I would appreciate Brainliest, but no worries.</u>

4 0
3 years ago
Read 2 more answers
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