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3 years ago

Please help me with my math! Thank you!

Mathematics

1 answer:

tangare [24]3 years ago

3 0

Answer:

c determine the side length of one tablecloth correct to the nearest tenth of a meter

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50 men working 10 hours daily can complete a job in

Sliva [168]

<h2>Given :-</h2>

50 men do 10 hours work daily complete work in 20 days

80 men do job in 50% time

Days required

<h2>Solution :-</h2>

1 man may do job in (50 × 20) days =
1 man may do job in 1000 days

Now,

80 man = 1000/80 = 12.5

Now,

When hours reduced 50% then we will multiply days by 2
Total days = 12.5 × 2 = 25 days.

<h2>Hence</h2>

Option C is correct

$\begin{gathered} \\ \end{gathered}$

8 0

2 years ago

A bag contains 3 gold marbles, 9 silver marbles, and 20 black marbles. Someone offers to play this game: You randomly select one

Genrish500 [490]

What’s the question?

3 0

2 years ago

See attached picture

yanalaym [24]

Answer:

$\frac{f(x+h)-f(x)}{h}$ $=2x + h$

Step-by-step explanation:

Given

$f(x)= x^2 + 2$

Required

Determine: $\frac{f(x+h)-f(x)}{h}$

First, we calculate f(x + h)

$f(x)= x^2 + 2$

$f(x+h) = (x+h)^2+2$

$f(x+h) = x^2+2xh+h^2+2$

So, we have:

$\frac{f(x+h)-f(x)}{h}$ $= \frac{x^2 + 2xh + h^2 + 2 - x^2 - 2}{h}$

$\frac{f(x+h)-f(x)}{h}$ $= \frac{x^2 - x^2+ 2xh + h^2 + 2 - 2}{h}$

$\frac{f(x+h)-f(x)}{h}$ $= \frac{2xh + h^2}{h}$

$\frac{f(x+h)-f(x)}{h}$ $=2x + h$

8 0

2 years ago

Write two different pairs of negative integers x and y, that make the statement x-y=2 true.

Contact [7]

Answer:

x = -1

y = -3 or

x = -3

y = -5

Step-by-step explanation:

-1 - (-3) =

-1 + 3 = 2

-3 - (-5) =

-3 + 5 = 2

8 0

3 years ago

Read 2 more answers

One number is 13 more. if the sum of the two numbers is 15, find the two numbers

AlexFokin [52]

Let number be x and x+13
Then x+x+13=15 (A/q)
2x+13=15
2x=2
X=1
:. X+13= 14
Two numbers are 1 And 14

4 0

3 years ago