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Aleonysh [2.5K]
3 years ago
15

Please help only have 1 hr to finish 50 questions

Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0
V = s^3= 343 = 7×7×7

S = 7 cm
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A taxi company charges $1.00 for the first mile (or part of a mile) and 20 cents for each succeeding tenth of a mile (or part).
meriva

Step-by-step explanation:

solving functions separately.

1st:  from given data taxi charges $1.00 for the first mile.so it is first rule of function.

y_{1} =1 , 0

2nd: the company charge $0.20 per tenth of a mile.so 2nd rule of the function will  be

y_{2} =1+0.2.10(x-1)

simplifying

y_{2} =1+2(x-1)

y_{2} =x+2x-2

y_{2} =x ,  1

piece wise function is f(x)={2 ,  0<x<1

                                              {x ,  1<x<2

the graph of the function is given below

7 0
3 years ago
Amanda is going to make up some concrete by
lianna [129]

Answer:

Yes, Amanda has enough materials to make the concrete mix.

Step-by-step explanation:

Total units = 1+3+5

                 = 9

9 units = 630kg

1 unit = 630kg ÷ 9

        = 70kg (Less than 80kg of cement, more than enough)

3 units = 3 × 70kg

           = 210kg (Less than 215kg of sand, more than enough sand)

5 units = 5 × 70kg

           = 350kg (Less than 370kg of gravel, more than enough gravel)

4 0
2 years ago
A cafe only sells two types of sandwiches, turkey and steak. The cafe charges $4 for turkey sandwiches and $6 for steak sandwich
valkas [14]

Answer:

513 turkey sandwiches were sold.

Step-by-step explanation:

Let's use x to represent turkey sandwiches and y to represent steak sandwiches.

x = turkey sandwiches

y = steak sandwiches

x + y = 925 total sandwiches that were sold

4x + 6y = 4524 dollars that were made

x + y = 925\\y = 925 - x

Now that we know what y (steak sandwiches) equals, we plug it in to an equation to find x.

4x + 6(925-x) = 4524\\4x + 5550 -6x=4524\\

Now, we subtract 5,550 from BOTH sides so we can get x by itself.

-2x + 5550 - 5550 = 4524 - 5550\\-2x = -1026

Next, we divide both sides by 2, so x is bare.

\frac{2x}{2} = \frac{1026}{2}

x = 513

Since x represents turkey sandwiches, we have our answer: 513 turkey sandwiches were sold.

I hope this helps! :)

3 0
2 years ago
This questio is hard
frez [133]

Answer:

I don't know the exact answer but it is below 60

Step-by-step explanation:

4 0
3 years ago
Uh im not good at algebra sooooooooooooooooooooooooooooooooooooooo<br> help.
serious [3.7K]

Answer:

Step-by-step explanation:

392 i believe

6 0
3 years ago
Read 2 more answers
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