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masha68 [24]
3 years ago
8

What’s 4.5 rounded to the nearest whole number

Mathematics
1 answer:
KiRa [710]3 years ago
4 0

Answer:

5

Step-by-step explanation:

we take the 5 behind the four and it rounds up to a 5

4.5=5

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A company increased their profits by 145% from last year. If their profits were $127,000 last year, how much did they make this
weqwewe [10]
I got $184,150
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5 0
4 years ago
Read 2 more answers
-3(6a+4) when a = -2
guajiro [1.7K]

Substitute the value of a = -2 to the expression -3(6a + 4):

-3(6 · (-2) + 4) = -3 · (-12 + 4) = -3 · (-8) = 24

Used PEMDAS

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

6 0
4 years ago
Lisa has developed a new product, and knows that the graph of function R models her revenue from selling the item, after deducti
Eva8 [605]

Answer:

Choice B is correct;  (10, 60)

Step-by-step explanation:

For Lisa to make a profit, the function R should assume a value greater than 0;

R > 0

We are to determine the interval of x values for which the above expression will be true.

From the graph, R(x) = 0 when x = 10. As x increases from 10 to 60, the value of R(x) remains positive, that is;

R(x) ≥ 0 for values of x in the interval (10, 60)

The domain that she should use in order to only model selling prices for which she will make a profit is thus;

(10, 60)

6 0
4 years ago
Read 2 more answers
Alex swims at an average speed of 45 m/min. How far does he<br> swim in 1 min 24 sec?<br> m
denpristay [2]

Answer:

63 m

Step-by-step explanation:

We know the rate in 45 m / min

We need to change the time to min

1 min 24 sec

We know that 1 min = 60 sec  so 24 seconds is 24/60 ths of a minute

1 min 24/60 min

1 2/5 min

Changing to decimal form

1.4 minutes

Now we multiply by the rate to get the distance

d = r *t

d = 45 m/ min * 1.4 min

d= 63 m

3 0
4 years ago
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Klein read 30 pages of a book on Monday and 1/8 of the book on Tuesday. He completed the 1/4 of the book on Wednesday. How many
ozzi
The answer would be 33 3/8
6 0
3 years ago
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