3 years ago

If you could please help good sir...

Mathematics

2 answers:

Vladimir [108]3 years ago

5 0

Answer:10

Step-by-step explanation:

Misha Larkins [42]3 years ago

4 0

Y=4x+9
Opposite slope to be perpendicular

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The sum of two numbers is 49 and the difference is 25 . What are the numbers?

OLEGan [10]

Answer:

x = 37 y = 12

Step-by-step explanation:

Let x be one number

Let y = other number

x+y = 49

x-y = 25

Add the equations together

x+y = 49

x-y = 25

---------------

2x = 74

Divide by 2

2x/2 = 74/2

x =37

x+y = 49

37+y = 49

Subtract 37 from each side

37+y-37 = 49-37

y = 12

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3 years ago

Simplify this expression: 13 + (–12) – (–5) = ? A. –30 B. –6 C. 6 D. 30

anygoal [31]

$13+(-12) - (-5) \\ \\ 13 - 12 + 5 \\ \\ 6 \\ \\ Answer: \fbox {C) 6}$

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4 years ago

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a crowbar of 2cm is used to lift an object if 800N. if the effort arm is 260cm. calculate the effort applied.

Gelneren [198K]

Answer:

solution:Here

Given,

Load=800 N

Load distance=2cm

Effort distance=260cm

Effort applied=?

We know that,

Load × Load distance = Effort × Effort distance

or, 800×2 = e × 260

or,1600 = 260e

or,e = 1600/260

Thus, e = 6.15 N

Hence, The effort applied = 6.15 N

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A hot air ballon begins its descent at a rate of 22 1/2 feet per minute. How long will it take for the balloon's elevation

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The descent of the balloon would take 14 minutes
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