3 years ago

PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWER

Mathematics

1 answer:

MrRa [10]3 years ago

4 0

20 - (8 x 39) =

20 - 312 =

- 301

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Explain how you got your answer please :

liraira [26]

X is the number of hours studied, so replace x with 3 in the equation:

y = 6.8(3) + 60
y = 20.4 + 60
y = 80.4

Round down to 80.

The answer would be A.

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2 years ago

If billy can read 2 pages in 6 minutes, how many pages can he read in 24 minutes?

german

Answer:

8 mins

Step-by-step explanation:

First you see how many mins he can read on 1 page than you divided the number by 24 to get your answer.

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2 years ago

Which expression is equivalent to \left(3^{-6}\times 3^{3}\right)^{-1}\normalsize?(3 −6 ×3 3 ) −1 ? 3^{-19}3 −19 3^{18}3 18 3^{-

mars1129 [50]

Answer:

Step-by-step explanation:

Given the expression

$\left(3^{-6}\times 3^{3}\right)^{-1}\\$

According to law of indices, this can be written as;

$\left(3^{-6+3})^{-1}\\\\= (3^{-3})^{-1}\\\\= 3^{-3*-1}\\\\= 3^3\\\\= 27$

Hence the required answer is 27

5 0

2 years ago

Write four numbers that round to 700,000 when rounded to the nearest hundred thousand

Tanya [424]

690000
650000
670000
680000

6 0

3 years ago

Read 2 more answers

Determine the range of the following graph:

Anni [7]

Answer:

Range is between -7 and 8

-7<y<8

Step-by-step explanation:

Range means series of number between lowest and highest output(y-axis) of a function.

Notice on the graph, the lowest y you can get is -7 and highest is 8. Other numbers are in between.

Thus, the range is in between of -7 and 8.

4 0

2 years ago