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Ipatiy [6.2K]
3 years ago
5

For the graph y = -8 find the slope of a line that is perpendicular to it and the slope of a line parallel to it. Explain your a

nswer with two or more sentences.
Mathematics
1 answer:
AlexFokin [52]3 years ago
8 0
For the graph of y = -8 the line is horizontal, which means the slope = 0. A parallel line has the same slope so one equation could be y = 2. A perpendicular line has an opposite slope so since our slope = 0 the opposite of that slope is -\frac{1}{0} which a line that is perpendicular to y = -8 could be x = -3. Also notice that these two lines form a 90 degree angle.
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What is the surface area of the pyramid whose net is shown here?
Lunna [17]
Urface area  = area of the square + area of the 4 triangles

= 6*6 + 4(1/2*6*6)  

= 36 + 4 * 18  = 108 sq cms
4 0
3 years ago
Three consecutive intergers have a sum of 84. Find the intergers<br><br> ___,___,___,
Fudgin [204]

Answer:

27 + 28 + 29 = 84

Step-by-step explanation:

x + (x+1) + (x+2) = 84

3x + 3 = 84

84 - 3 = 81

81 / 3 = 27

8 0
3 years ago
Find the cost per visit to the nearest cent: Health and Heart Club, $259 per year, 3 visits per week. a. $1.66 b. $7.19 c. $156
vagabundo [1.1K]

Answer:

a. $1.66

Step-by-step explanation:

We have been given that Health and Heart Club charges $259 per year. A person has 3 visits per week. We are asked to find the cost of per visit to Health and Heart Club.

We know that there are 52 weeks in one year. So total visits in one year would be 3 times 52 that 156 visits.

Now, we will divide total cost by 156 to find cost per visit.

\text{Cost per visit}=\frac{\$259}{156}

\text{Cost per visit}=\$1.660256

Rounding to nearest hundredths, we will get:

\text{Cost per visit}\approx \$1.66

Therefore, the cost per visit is $1.66 and option 'a' is the correct choice.

5 0
3 years ago
Two fractions whose product is -3/5
lukranit [14]
Do you have multiple choice answers?

3 0
3 years ago
He loudness of a pile driver is 112 dB. About how many times the sound intensity of the jackhammer is the sound intensity of a p
chubhunter [2.5K]

Complete question :

The loudness of a jack hammer is 96 dB. Its sound intensity is about 0.004.

The loudness of a compactor is 94 dB. Its sound intensity is about 0.0025.

The sound intensity of the jack hammer is about 1.6 times the sound intensity of the compactor.

The loudness of a pile driver is 112 dB. About how many times the sound intensity of the jackhammer is the sound intensity of a pile driver? Round to the nearest ten.

Answer:

40

Step-by-step explanation:

Given that:

Sound intensity of jackhammer = 0.004

Sound intensity of compactor = 0.0025

Sound intensity of jackhammer is about 1.6 times the sound intensity of a compactor

Each factor of 10 in intensity corresponds to 10dB

Pile driver with loudness of 112dB ; 112 / 10 = 11.2

Hence, 10^11.2 = 1.58489 * 10^11

Hence, sound intensity (I) in watts per m²

I = 1.58489 * 10^11 * 10^-12

I = 1.58489 * 10-1

I = 0.158489

Comparing the intensity of pile driver and jackhammer :

Intensity of piledriver / Intensity of jackhammer

0.158489 / 0.004

= 39.622

= 40 (nearest ten)

3 0
3 years ago
Read 2 more answers
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