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Rom4ik [11]
3 years ago
12

5w<15 what is w? a. w<75 b. w<10 c. w<5 d. <3

Mathematics
1 answer:
timama [110]3 years ago
4 0

Step-by-step explanation:

5w < 15 \\  \frac{5w}{5}  <  \frac{15}{5}  \\ w < 3

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The sum of the measures of angles xand y is 120°. The measure of the angle x is 12 less than the measure of the angle y. Find x
Troyanec [42]

Answer:
x = 54°
y = 66°

Step-by-step explanation:

x + y = 120° (given)
x = y - 12
Then, y + y - 12 = 120°
(y + y) - 12 = 120°
2y - 12 = 120°
2y = 120 + 12 = 132°
y = 132/2 = 66°
x = y - 12 = 66 - 12 = 54°
There you go :)

5 0
2 years ago
You can walk 1.75 miles in 30 minutes. What is your average speed?
Varvara68 [4.7K]

Answer:

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Step-by-step explanation:

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3 years ago
What method would you choose to solve the equation 2x^2-7=9
Margaret [11]
Here is one way to solve for x.

Step 1)  2x^2-7=9

Step 2)  2x^2-7+7=9+7

Step 3)  2x^2=16

Step 4)  (2x^2)/2=16/2

Step 5)  x^2=8

Step 6)  sqrt(x^2)=sqrt(8)

Step 7)  |x|=sqrt(8)

Step 8)  x=sqrt(8) or x=-sqrt(8)

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

Below are explanations/reasons to each of the steps above.

Step 1) Original equation

Step 2) Add 7 to both sides

Step 3) Combine like terms

Step 4) Divide both sides by 2

Step 5) Simplify

Step 6) Apply the square root to both sides. The notation "sqrt" is shorthand for "square root"

Step 7) Use the rule that sqrt(x^2) = |x| for all real numbers x

Step 8) Use the rule that if |x| = k then x = k or x = -k for some fixed number k.

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

The two solutions are
x = sqrt(8) or x = -sqrt(8)

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3 years ago
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Blizzard [7]
28 pages

112 divided by 4 = 28
3 0
3 years ago
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Morgarella [4.7K]

Answer:

P = 157.5 units

Step-by-step explanation:

7 0
3 years ago
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