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3 years ago

I will mark you has brainliest if you answer this question

Mathematics

1 answer:

Basile [38]3 years ago

8 0

Answer:

Y=X+74

Step-by-step explanation:

75=m+b......*

76=2m+b.........**,b=76-2m

then substitute b=76-2m

on the first equation

75=m+76-2m

m=1

b=74

Y=X+74 is the answer

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What is25% of100 equal to

Marianna [84]

25% is .25 as a decimal 100*.25=25 so 25% of 100 is equal to 25 because, 25% goes into 100% 4 times so we immediately know that where looking for a number that can go into 100 4 times and it just so happens that 25=25 is true and 100=100 is true so are answer is literally in the question.

Enjoy!=)

7 0

4 years ago

Read 2 more answers

A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of m

nignag [31]

Answer:

Confidence Interval: (0.44,1.00)

Step-by-step explanation:

We are given the following data set:

0.60, 0.74, 0.09, 0.89, 1.31, 0.51, 0.94

Formula:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{:5.08}{7} = 0.725$

Sum of squares of differences = 0.8809

$S.D = \sqrt{\frac{0.8809}{6}} = 0.383$

90% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 6 and}~\alpha_{0.10} = \pm 1.943$

$0.725 \pm 1.943(\frac{0.383}{\sqrt{7}} ) =0.725 \pm 0.2812 = (0.44,1.00)$

No, it does not appear that there is too much mercury in tuna sushi.

5 0

4 years ago

If MJ is in grade 8, then he is 14 years old.

ValentinkaMS [17]

Answer:

True

Step-by-step explanation:

because the grade 8 students can be 14 years old

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3 years ago

If i walk 2 block in 15 minutes what will my speed be?

Art [367]

Answer:

Your answer would be 6mph.

Step-by-step explanation:

Calculate your running or walking speed, distance, or time with Verywell's ... You may also need to know your pace when registering for an event or race such as a ... A pace may not be a round number of minutes, in which case you will need to ... Running 6 miles in 1 hour: 6 / 1 = 6 miles per hour (mph);

(Got it from google)

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3 years ago

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Which of the following is another way to express this equation. Queastion in picture. Giving brainliest

svlad2 [7]

Answer:

8+d=43

Step-by-step explanation:

answer is above

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3 years ago