3 years ago

What is the value of 1–5|?

Mathematics

2 answers:

masya89 [10]3 years ago

8 0

Answer:

Negative 4

Step-by-step explanation:

n200080 [17]3 years ago

3 0

Answer:nun ya buisness tho

Step-by-step explanation:

Kkkkkk

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an alloy of tin is 15% tin weigh 20 pounds . A second alloy is 10% tin . how much pounds of the second alloy must be added to th

Ulleksa [173]

12%=(3+10%*x)/(20+x)
x=30

add 30 pounds of the second alloy

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2 years ago

How many tens make 40 + 50

Genrish500 [490]

It would be 5 tens + 4 tens = 9 tens

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2 years ago

When Ryan counted some dimes and quarters he had 196 coins and a total of $39.40. How many coins of each kind does Ryan have?

Nonamiya [84]

Quarters = x
dimes = 196 - x

10(196 - x) + 25x = 3940
1960 - 10x +25x = 3940
1960 + 15x = 3940
15x = 1980
x = 132

169 - 132 = 64

Therefor there are 132 quarters and 64 dimes

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3 years ago

Ania scored a total of 120 points this season so far and averaged 15 points a game. How many games has she played?

arlik [135]

She played 8 games. Since she earned a total of 120 points and 15 points per game you would divide 120/15=8

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2 years ago

Find the value of b. Then find the angle measures of the pentagon.

melamori03 [73]

Answer:

b = 90

Step-by-step explanation:

Sum the interior angles of the pentagon and equate to 540

Starting from the top and going clockwise

b + b + 45 + 90 + 2b - 90 + $\frac{3}{2}$ b = 540 ← simplify left side

$\frac{11}{2}$ b + 45 = 540 ( multiply through by 2 to clear the fraction )

11b + 90 = 1080 ( subtract 90 from both sides )

11b = 990 ( divide both sides by 11 )

b = 90

Thus

b + 45 = 90 + 45 = 135

2b - 90 = 2(90) - 90 = 180 - 90 = 90

$\frac{3}{2}$ b = $\frac{3}{2}$ × 90 = 135

The angle measure from the top clockwise are

90°, 135°, 90°, 90°, 135°

7 0

2 years ago