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storchak [24]
4 years ago
15

39 is 50% of what number

Mathematics
2 answers:
Zepler [3.9K]4 years ago
8 0
39 multiplied by 2= 78
Mariana [72]4 years ago
7 0
That will be .0078. Here's the formula... 50/100  x y = 39
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If he paints 1/2 of the wall blue, hoy many square feet will be blue?
Katen [24]

To determine how much of the wall is blue we first need to find its area. The wall is a rectangle, then its area is the product of its height and length:

\begin{gathered} A=(8\frac{2}{5})(16\frac{2}{3}) \\ A=(\frac{42}{5})(\frac{50}{3}) \\ A=(14)(10) \\ A=140 \end{gathered}

Hence, the area of the wall is 140 square ft. To determine how much of the wall is already painted we multiply this by 1/2, then:

(140)(\frac{1}{2})=70

Therefore, 70 square ft are blue.

6 0
1 year ago
3) The table shows the percent of Molly's time that she plans to spend on different activities this
seropon [69]

Answer:144 minutes

Step-by-step explanation:

90 minutes 360 Minutes

—————— ———-——

25% 100%

360x40%=144 minutes

8 0
3 years ago
Read 2 more answers
Jared invests $10,000 in a savings account that pays 3% simple interest. How many years will it take for the account to grow to
murzikaleks [220]
The answer:

it would take 9 years for the account to grow to $12,700

the steps:

10,000 x .03 = 300

2,700 divided by 300 is 9
6 0
3 years ago
274,389,451,379 rounded to the nearest hundred​
Mama L [17]
Rounded to the nearest hundred would be 274,389,451,400
8 0
3 years ago
the function f(t) = 5 cos(pi/4*t) + 11 represents the tide in dark sea. it has a maximum of 16 feet when time (t) is 0 and a min
Allushta [10]

The height of the tide after eight hours is 16 feet.

<h3>How to illustrate the function?</h3>

From the information given, the function is given as 5cos (π/4)t + 11.

In this case, the time is given as eight hours. This will be:

f(8) = 5 × cos (π/4) × 8 + 11

f(8) = 5 × cos(2π) + 11

= (5 × 0.999) + 11

= 16 feet

The height is 16 feet.

Learn more about functions on:

brainly.com/question/5957029

#SPJ1

6 0
2 years ago
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