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vivado [14]
2 years ago
13

Hello can someone please help me on this please

Mathematics
1 answer:
Dvinal [7]2 years ago
3 0
71.96 and 93.74 are the answers
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21008 rounded to the nearest ten thousands
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The nearest ten thousand is 20,000
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Find -48a divided by 8 when a=1 write your answer in simplest form
lukranit [14]

-48a÷ 8 can be written as,

\frac{-48a}{8}

Put a=1 in the above exprression and solve.

\frac{-48\times1}{8}=-6

Therefore, the solution is -6.

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A person on a moving sidewalk travels 6 feet in 3 seconds. The moving sidewalk has a length of 80 feet. How long will it take to
tekilochka [14]

Answer:

40.5 seconds

Step-by-step explanation:

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2 years ago
Ray has found that his new car gets 31 miles per gallon on the highwayand 26 miles per gallon in the city. He recently drove 285
Mkey [24]

Answer:

Highway = 155\ miles

City = 130\ miles

Step-by-step explanation:

Given

Highway = 31mi/gallon

City = 26mi/gallon

Total\ Miles = 285

Total\ Gallons = 10

Required

Determine the number of miles driven on the highway and on the city

Represent the gallons used on highway with h and on city with c.

So, we have:

c + h = 10 ---- gallons used

and

31h + 26c = 285 --- distance travelled

In the first equation, make c the subject

c = 10 - h

Substitute 10 - h for c in the second equation

31h + 26c = 285

31h + 26(10 - h) = 285

Open bracket

31h + 260 - 26h = 285

Collect like terms

31h - 26h = 285 - 260

5h = 25

Make h the subject

h = \frac{25}{5}

h = 5

Substitute 5 for h in c = 10 - h

c = 10 - 5

c = 5

If on the highway, he travels 31 miles per gallon, then his distance on the highway is:

Highway = 31 * 5

Highway = 155\ miles

If in the highway, he travels 26 miles per gallon, then his distance on the highway is:

City = 26 * 5

City = 130\ miles

8 0
2 years ago
Which figure has one line of symmetry but no rotational symmetry?
Slav-nsk [51]
C because u can split it only once vertically but it’s not a rotationally symmetrical shape
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3 years ago
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