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Gala2k [10]
3 years ago
11

Look at this graph. what is the equation of line in slope intercept form? write your answer using integers proper fractions and

improper fractions in simplest form?
slope intercept form is y=mx+b ​

Mathematics
2 answers:
Soloha48 [4]3 years ago
4 0

Answer:

y=4x+4

Step-by-step explanation:

emmasim [6.3K]3 years ago
3 0

Answer:

y=4x+4

Step-by-step explanation:

slope m is rise over run and b is where the line crosses the y axis.

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Sue read 129 pages. Mary read 74 pages. How many more pages did Sue read than Mary?
Ber [7]

sue read 55 more pages then mary

7 0
3 years ago
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What is the shaded portion of the circle
blagie [28]

Answer:

(5\pi-11.6)\ ft^{2}

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of the sector minus the area of the triangle

step 1

Find the area of the circle

the area of the circle is equal to

A=\pi r^{2}

we have

r=5\ ft

substitute

A=\pi (5)^{2}

A=25\pi\ ft^{2}

step 2

Find the area of the sector

we know that

The area of the circle subtends a central angle of 360 degrees

so

by proportion find out the area of a sector by a central angle of 72 degrees

\frac{25\pi}{360}=\frac{x}{72}\\ \\x=72*25\pi /360\\ \\x=5\pi\ ft^{2}

step 3

Find the area of triangle

The area of the triangle is equal to

A=\frac{1}{2}(2.9+2.9)(4)= 11.6\ ft^{2}

step 4

Find the area of the shaded region

Subtract the area of the triangle from the area of the sector

(5\pi-11.6)\ ft^{2}

8 0
3 years ago
Extreme cold and hot temperatures are known to affect the operation of electronic components. Winter is approaching and you are
Musya8 [376]

Answer:

A 95% confidence interval for the true mean minimum temperature that will damage an iPod is between 2.55°F and 7.45°F

Test statistic(Z) = 2.31

P-value = 0.0104

Step-by-step explanation:

Step 1

Null hypothesis: The average damaging temperature of nine iPods is 5°F

Alternate hypothesis: The average damaging temperature of nine iPods differs from 5°F

Step 2

Mean=5°F, Sd=3, df=n-1=9-1=8

The t-value corresponding to 8 degrees of freedom and 95% confidence level (5% significance level) is 2.306

Confidence Interval(CI) = (mean + or - t×sd/√n)

CI = (5 + 2.306×3/√8) = 5 + 6.918/2.828= 5+2.45=7.45°F

CI = (5 - 2.306×3/√8) = 5-2.45 = 2.55°F

Z = (sample mean - population mean)/(sd÷√n) = (5-2.55)/(3÷√8) = 2.45/1.061 = 2.31

Step 3

Using the standard distribution table, the cumulative area to the left of Z = 2.31 is 0.9896

P-value = 1 - 0.9896 = 0.0104

Step 4

Conclusion: A 95% confidence interval for the true mean minimum temperature that will damage an iPod is between 2.55°F and 7.45°F

7 0
3 years ago
7. Which of the verbal descriptions best matches the function below? <br><br> f(x)=0.02x+150
slega [8]

Gene earns 2% interest after depositing $150 into his account , Option D.

<h3>What is a Function ?</h3><h3 />

A function is a law that relates an independent variable and a dependent variable with each other.

The function given is

f(x) = 0.02 x +150

Option D , Gene earns 2% interest after depositing $150 into his account

So this verbal description matches the function given as it represents , the total account balance of Gene .

Therefore Option D is the correct answer.

To know more about Function

brainly.com/question/12431044

#SPJ1

6 0
2 years ago
Please help! I’ll give brainliest!
Jlenok [28]

Answer:

27 degrees withI think angle sum postulate

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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