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anastassius [24]

2 years ago

8

last month Dory biked 11 times as many miles is Carly together they bites a total of 156 Mi how many miles did Dory bike last mo

nth

2 answers:

ludmilkaskok [199]2 years ago

8 0

She biked 14.18 miles

liubo4ka [24]2 years ago

5 0

Dory biked about 14.18 miles last month

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True [87]

Answer is -10

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2 years ago

If the measure of one exterior angle of a regular polygon is 156 degrees , how many sides does the polygon have ?

Burka [1]

Answer:

15 sides

Step-by-step explanation:

with regular polygons it is best to work with the exterior angles since the sum of exterior angles is 360 degrees

one exterior angle = 180 − one interior angle

∴ one ext. < = 180 − 156 = 24 degrees

no of sides = 360 /24 = 15 s i d e s

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2 years ago

a worker can complete the assembly of 15 chairs in 6 hours. At the rate,how many can the worker complete in a 40-hour work week?

san4es73 [151]

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Step-by-step explanation:

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2 years ago

Please help with 6 and 7

Ilya [14]

Answer:

6. The number is $-5$

7. The two numbers are $10$ and $11$

Step-by-step explanation:

Question six can be re-worded to create the following expression:

$-2=\frac{4x+10}{5}$

Solve for x to find the number:

$-2=\frac{4x+10}{5}\\-10=4x+10\\-20=4x\\\frac{-20}{4} = x\\-5 = x$

Question seven can be solved by first listing the constraints (assuming x is smaller than y):

x and y are less than 20
$x + 1 = y$
$3x - 8 = 2y$

To get the numbers, we can create a system of linear equations. First, solve for $y$ in each expression:

$y = x+1$

$2y = 3x-8\\y = \frac{3}{2}x - 4$

Solve for $x$ :

$x+ 1 = \frac{3}{2}x - 4\\x + 5 = \frac{3}{2}x\\5 = \frac{3}{2}x - x\\5 = \frac{1}{2}x\\10 = x$

Solve for $y$ :

$y = x + 1\\y = 10 + 1\\y= 11$

4 0

1 year ago

Read 2 more answers

Jane has a checkbook balance of $68.00. She then writes two checks, one for $5.00 and one for $62.50. She also deposits $75.00.

nataly862011 [7]

That would be D. The first two would be fight (I think) except they don't include turning the calculator on. C is just plain wrong. D has all the right keystrokes.

8 0

2 years ago