3 years ago

Does anyone know his one answer!?!

Mathematics

1 answer:

earnstyle [38]3 years ago

3 0

The answer is the the second one

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A certain book has 200 pages, and 47 of these pages have an illustration. If one of the book's pages

Ugo [173]

Answer: fraction:47/200 desimal:0.235

Step-by-step explanation:

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3 years ago

The points (2, r) and (6, -4) lie on a line with slope 4. Find the missing coordinate r R=

Rus_ich [418]

$\text{The slope-intercept form:}\ y=mx+b\\\\\text{We have:}\ m=4\\\\\text{then}\ y=4x+b\\\\\text{The line passes through point (6; -4). Substitute:}\\\\(6;-4)\to x=6;\ y=-4\\\\-4=4\cdot6+b\\-4=24+b\ \ \ |-24\\b=-28\\\\\text{therefore:}\ y=4x-28$
$\text{substitute}\ (2;\ r)\to x=2;\ y=r\\\\r=4\cdot2-28=8-28=-20$

Answer: r = -20

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4 years ago

Solve this inequality: 20 +0.75m < 65

allsm [11]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

Mrs. Viera spent $95.55 buying 13 pizzas for a class pizza party.

bixtya [17]

Answer:

it should be 7.35 for each pizza, sorry if it's wrong

Step-by-step explanation:

95.55 divided by 13 is 7.35

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3 years ago

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Write an equation in slope-intercept form of the line that contains the point (-2, 2) and has the slope = -5.

vichka [17]

Answer:

$y=-5x-8$

Step-by-step explanation:

Given the following question:

To calculate the slope intercept of a line/point we need to use the formula for slope intercept, substitute, and solve for b.

Formula for slope intercept:
$y=mx+b$
$m=-5$
$y=2$
$x=-2$
$2=-5(-2)+b$

Solve for b:
$2=-5(-2)+b$
$-5(-2)=10$
$2=10+b$
$10-10=0$
$2-10=-8$
$-8=b$
$b=-8$

Substitute for the following:
$y=mx+b$
$b=-8$
$m=-5$
$y=-5x-8$

Your answer is "y = -5x - 8."

Hope this helps.

3 0

2 years ago