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Nadya [2.5K]
3 years ago
13

A triangle has height 5 cm and base length 8 cm find it’s area

Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0

Answer:

A = 20 cm^2

Step-by-step explanation:

We can find the area of a triangle from

A = 1/2 bh

A = 1/2 8*5

A = 20 cm^2

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Determine if the lines are parallel, perpendicular or neither:<br> 1. x + 4 = y and y – x = -3
saveliy_v [14]

Answer:

parallel

Step-by-step explanation:

they have the same slope

look at them in terms of y=mx+b

first equation has slope of 1 (y=x+4)

second equation has slope of 1 also (y=x-3)

6 0
3 years ago
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Suppose the following regression equation was generated from the sample data of 50 cities relating number of cigarette packs sol
frez [133]

Answer:

A) According to the regression equation, regardless of whether or not smoking is allowed in bars, the number of cigarette packs sold per 1000 people decreases by approximately 1424 for each additional dollar of cigarette tax.

Step-by-step explanation:

Given the regression equation:

PACKS i= 57221.431732 − 1423.696906TAXi + 155.441784BARSi + eᵢ.

BARS i= 1 if city i allows smoking in bars

BARSi = 0 if city i does not allow smoking in bars

R2 = 0.351292

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Conlusion:

Simnce p value, 0.0865 is greater than level of significance, 0.05, BARS is not significant. Thus, allowing smoking in bars increase cigarette sales, since the coefficient of BARS is positive.

Correct answer is option A.

According to the regression equation, regardless of whether or not smoking is allowed in bars, the number of cigarette packs sold per 1000 people decreases by approximately 1424 for each additional dollar of cigarette tax.

4 0
3 years ago
Find the slope of the line through the points (4, 8) and (5, 10).
Ulleksa [173]

Answer:

the slope is 2. or m=2

Step-by-step explanation:

basically

\frac{10-8}{5-4} =\frac{2}{1} =2

7 0
2 years ago
Can someone help me out? Will mark brainiest
enot [183]
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4 0
2 years ago
4^4÷4^7 as a fraction
elena-s [515]

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Step-by-step explanation:

3 0
3 years ago
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