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3 years ago

I need help asap :):):)

Mathematics

1 answer:

bekas [8.4K]3 years ago

8 0

Answer: D is the answer I think.

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Two cars raced at a race track. The faster car traveled 20 mph faster than the slower car. In the time that the slower car trave

kakasveta [241]

Answer:

pano yan paturo

Step-by-step explanation:

hinde ko alam

8 0

3 years ago

Help pls! Brainliest!

blagie [28]

Answer:

y =-3000x +12000

Step-by-step explanation:

answer is

1) 12000 is the constant therefore when the number of hours is 0 the tickets are 12000

2) the number of tickets (y) are reducing by 3000 for each hour(x). thus the coefficient of variable x should be -3000 (negative because it is reducing)

8 0

3 years ago

PROBABILITY. Areas of regions: Entire Target=84in^2, Red area=28in^2, Green area=7in^2, Yellow area=9.42in^2, Blue area=39.58in^

abruzzese [7]

Answer:

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Step-by-step explanation:

8 0

3 years ago

34− 6 × 3+ 78 pemdas

Mazyrski [523]

Answer:

Step-by-step explanation:

PEDMAS

$34 - 6 \times 3 + 78 \\ 34 - 18 + 78 \\ 34 + 60 \\ = 94$

Step 1 : Multiplication :

-6×3 =-18

Step 2: Addition: -18+78 = +60

Step 3: Addition : 35+60

= 94

8 0

3 years ago

Read 2 more answers

A newspaper article about the results of a poll states: "In theory, the results of such a poll, in 99 cases out of 100 should di

zavuch27 [327]

The sample size suggested by this statement is 664 option second is correct.

<h3>What is the margin of error(MOE)?</h3>

It is defined as an error that provides an estimate of the percentage of errors in real statistical data.

The formula for finding the MOE:

$\rm MOE = Z\times \dfrac{s}{\sqrt{n}}$

Where Z is the z-score at the confidence interval

s is the standard deviation

n is the number of samples.

At 99% confidence Z = 2.576

By using the MOE formula:

0.05 = 2.376×√(0.5(0.5)/n)

After calculating

n = 663.57 ≈ 664

Thus, the sample size suggested by this statement is 664 option second is correct.

Learn more about the Margin of error here:

brainly.com/question/13990500

#SPJ1

6 0

2 years ago