3 years ago

Ryan has a big project to complete in science. He needs at

Mathematics

2 answers:

Andrej [43]3 years ago

8 0

Answer:

d ≥ 5

Step-by-step explanation:

Let the number of days is d.

Required inequality is:

d ≥ 5

DanielleElmas [232]3 years ago

4 0

Answer:

On which topic is he making?

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You are driving to visit a friend in another state who lives 440 miles away. You are driving 55 miles per hour and have already

Veseljchak [2.6K]

440 miles - 275 miles = 165 miles

165 + 275 = 440

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3 years ago

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How can 1/5x − 2 = 1/3x + 8 be set up as a system of equations? a . 5y − 5x = −10. 3y − 3x = 24 b. 5y − 5x = −10. 3y + 3x = 24 c

VMariaS [17]

The answer is d. 5y − x = −10. 3y − x = 24

$\frac{1}{5}x-2= \frac{1}{3}x+8=y$
⇒    $y= \frac{1}{5}x-2$
   $y= \frac{1}{3}x+8$
________________________
$y= \frac{x}{5} -2= \frac{x}{5} - \frac{10}{5} = \frac{x-10}{5}$
$y= \frac{x}{3} +8= \frac{x}{3} + \frac{24}{3} = \frac{x+24}{3}$
________________________
$y= \frac{x-10}{5}$ ⇒    $5y=x-10$
$y= \frac{x+24}{3}$   ⇒    $3y=x+24$
________________________
$5y-x=-10$
$3y-x=24$

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3 years ago

In the diagram below, PA= 4, AB=2, and PC=3. Find the length of PD.

Diano4ka-milaya [45]

Answer:

PD = 8

Step-by-step explanation:

PC x PD = PA x PB

3 x PD = 4 x (4 + 2)

3PD = 24

PD = 8

3 0

2 years ago

X − (y − y)= for x = 3 and y = 6

dusya [7]

Answer:

Step-by-step explanation:

x − (y − y)

3-(6-6)

3-0

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3 years ago

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Please help ! I don’t get it!

Amiraneli [1.4K]

Answer:

PR = 16

SR = 12

Step-by-step explanation:

6/8 = (x-3)/(x+1)

8x-24 = 6x+6

simplify

2x = 30

x = 15

PR = 15 + 1 = 16

SR = 15 - 3 = 12

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2 years ago