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Snezhnost [94]
3 years ago
9

What value of x is in the solution set of -5x-15>10+20x

Mathematics
1 answer:
RSB [31]3 years ago
4 0

x >  \frac{5}{3}
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If 4 workers take 900 hours to finish a project, how long will it take 8 workers to complete the same project?
butalik [34]

Answer: 350

Step-by-step explanation: If you multiply the amount of <em>workers</em> by two, then you divide the amount of <em>time </em>by two, and vice versa. So, in other words, whatever number you multiply the workers by, divide the time by that same number. I hope this helps!

6 0
2 years ago
Pastries made out of filo dough and brushed with either olive oil or butter (but not both). Pastries made out of shortcrust doug
Genrish500 [490]

Answer:

\frac{9x}{40} is the answer.

Step-by-step explanation:

The question has some typo errors.

Rashid and Mikhail submitted a total of x pastries to a baking competition.

Suppose say :

Mikhail made x pastries .

Hence Rashid made \frac{2x}{3} pastries.

And in total they made \frac{5x}{3} pastries.

Now we have that out of x, \frac{5}{8} of x were brushed with olive oil.

So, \frac{3}{8} of x that is \frac{3x}{8} are brushed by butter.

So, it becomes (\frac{3}{8}) / ( \frac{5x}{3} )

= \frac{3}{8} \times\frac{3x}{5} = \frac{9x}{40}

Hence, answer is option B.

6 0
3 years ago
Solve for x and y. (Geometry) <br> Can you also show the steps of how u did it
Kazeer [188]

Answer:

y = 10

x = 25

Step-by-step explanation:

From the U theorem the sum of these two angles 120+2x+y = 180

same goes for the bottom part too:

2x-y+140 = 180 now add two equations up

120+2x+y + 2x-y+140 = 180 + 180 add like terms (-y will eliminate +y)

4x + 260 = 360 subtract 260 from both sides

4x = 100 divide both sides by 4

x = 25 since the sum of 2x-y+140 = 180 we can find the value of y by replacing x with 25

2*25 - y + 140 = 180

50 - y + 140 = 180 add like terms

190 - y = 180 subtract 190 from both sides

-y = -10 and y = 10

8 0
2 years ago
Julio believes that the quotient of 6 ÷
mixas84 [53]

Answer:

She was wrong because if you were to find the quotient it would be 2 because if it were to be 3 it'll look like 6 divided by 18= 3. so what she has to do is find what times 6 equals 2 and that'll be 6 divided by 12= 2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help!!! asap ( 15 pts!!)
DENIUS [597]

Answer:

A) 40

B) 96

C) 60

D) 70

:)


6 0
3 years ago
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