2 years ago

I need help on another question, it keeps saying 7x-7 is wrong.

Mathematics

1 answer:

Lunna [17]2 years ago

7 0

Step-by-step explanation:

y = 7x + 1

Slope - Intercept Form

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Drag each interval to a box to show if the function shown is increasing, decreasing, or

scoundrel [369]

Answer:

Increasing: -10<x<-8. 8<x<10. -2<x<0.

Deacresing: 3<x<7.

Neither Increasing nor decreasing: -8<x<-5

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3 years ago

Two pencils and a ruler cost 98 cents in total. One pencil and 2 rulers cost $1.24 in total. Find the cost of each item.

salantis [7]

Answer:

2.16

Step-by-step explanation:

r = cost of ruler

p = cost of pencil

r = 2p

6r + 15p = 2.16

Substitute 2p in place of r in 2nd equation and solve for p

6(2p) + 15p = 2.16

12p + 15p = 2.16

27p = 2.16

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2 years ago

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7 3/4 - 1/2 equivalent expression

Mashutka [201]

Answer:

7 3/4+(-1/2)

Step-by-step explanation:

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3 years ago

The granola summer buys used to cost $6.00 per pound, but it has been marked up 15%. How much in dollars and cents will summer p

Norma-Jean [14]

Summer will pay $17.94 for 2.6 lbs of granola

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2 years ago

[HELP FAST] A line passes through the point (4, -9) and has a slope of -5/4

DENIUS [597]

Answer:

$y= \frac{-5}{4}x -4$

Step-by-step explanation:

using pt-slope form, we get $y - (-9) = \frac{-5}{4}(x-4)$ . Using the Distributive Property and Addition Propert of Equality, we can simplify this equation into $y = \frac{-5}{4}x + 5$ by factoring -5/4 into (x-4) and subtracting 9 from both sides.

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2 years ago