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3 years ago

10

Presley and Lakira sell cookies. Presley sold 5 less than twice as many cookies as LaKira. If LaKira sold 16 cookies, how many c

ookies did Presley sell?

1 answer:

soldi70 [24.7K]3 years ago

5 0

27. twice as many as 16 would be 32 and 32-5 is 27

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Read 2 more answers

Find the gradient of the line 2y -8x = -2

coldgirl [10]

Answer:

gradient is 4.
y-intercept is -5.
No.

Step-by-step explanation:

1. In order to find the gradient of equation, you have to make it into slope-form equation y = mx + b :

$2y - 8x = - 2$

$2y = 8x - 2$

$y = \frac{8}{2} x - \frac{2}{2}$

$y = 4x - 1$

So m represents gradient. In this question, m is 4.

2. Make it into slope-form equation :

$3y = - 15x - 15$

$y = - \frac{15}{3} - \frac{15}{3}$

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In this question, y-intercept is b which is -5.

3. You have to substitute x-coodinate into the equation to see whether it is equal to y-coordinate :

$y = 2x + 10$

$let \: x = 3$

$y = 2(3) + 10$

$y = 6 + 10$

$y = 16 \: (incorrect)$

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3 years ago

Which of the following is NOT true about the given equation: x = 4? Question 10 options:

Ilya [14]

Answer:

a

Step-by-step explanation:

the line with equation x = 4 is the equation of a vertical line parallel to the y- axis. Not a horizontal line

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3 years ago

I need an explanation on how to work this out

rjkz [21]

Answer:

make 360×each number given/15 students to start drawing

360×7/15=168°

360×5/15=120°

360×2/15=48°

360×1/15=24°

now draw each one from the radius give to the clockwise

if you don't know what's clockwise direction, see it from your house or tell anybody in your home to tell you where is clockwise

after you finish drawing, label each section by writing the names on the correct sections ( you can write in or out of the circle)

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3 years ago