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4 years ago

I need help ASAP,, pleaseeee

Mathematics

1 answer:

jolli1 [7]4 years ago

8 0

Answer:

1a) (-7,-3)

1b) (7,3)

1c) (3,-7)

3) 2 (180)

4) sorry I can't figure this one out

5) If it says 180° about the origin then it is (-5,10) if it isn't about the origin the say what it is in the comments and I will try to look at it again

Step-by-step explanation:

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Line K has a slope of -5. Line j is perpendicular to line k and passes through the point (5, 9). Create the equation for line j.

alisha [4.7K]

Answer:

y = 1/5 x + 8

Step-by-step explanation:

slope of line j: m = -(1/-5) = 1/5

j pass (5,9): (y-9)/(x-5) = 1/5

y-9 = 1/5(x-5) = 1/5 x - 1

y = 1/5 x + 8

7 0

3 years ago

Write an equation for the total water usage, U, at the park this year in terms of x, the number of special events the park has h

Hoochie [10]

Answer:

U = 16206 + 22.2x

Step-by-step explanation:

This year, water usage has increased by 20% for both regular days and special events.. Write an equation for the total water usage, U, at the park this year in terms of x, the number of special events the park has hosted

Solution:

Last year regular usage of water was 13505 gallons, where as it was 18.5 gallons per special event. Let us assume that there were x special invents, hence:

The total usage for last year = 13505 + 18.5x

This year, the total usage (U) increased by 20%, hence:

Total usage for this year (U) = total usage for last year + 20% of total usage for last year

U = (13505 + 18.5x) + 0.2(13505 + 18.5x)

U = 13505 + 18.5x + 2701 + 3.7x

U = 16206 + 22.2x

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3 years ago

7.75 in expanded form

Elina [12.6K]

Answer: 7+0.7+0.05

Since 7 is in the ones place it goes in front of the decimal. .7 is in the tenth place because it's behind the decimal. .05 is also behind the decimal so it's in the hundredths place.

4 0

4 years ago

PLEASE HELP ASAP !!!! Explain Larissa's mistake using 1-3 complete sentences.

kenny6666 [7]

Answer:

Line 6

Step-by-step explanation:

The graph intersects at (-5, 16) and (2, 2)

Because she needs to plug the x's back into the equation

so $16 = -2(-5) + 6$ or $16 = -5^{2} + -5 - 4$