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Tcecarenko [31]
2 years ago
15

The photographer got the baby to smile in 30% of the photos he took. If the baby smiled in 12 photos how many photos did the pho

tographer take
Mathematics
1 answer:
slamgirl [31]2 years ago
5 0

Answer:

40 photos

Step-by-step explanation:

\frac{3}{10} =\frac{12}{y}

3 × y = 12 × 10

3y = 120

y = 40

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You deposit $2700 in an account that earns simple interest. After 12 months, the account earns $64.80 in interest, what is the a
Masja [62]

Answer:$4449.6.

Step-by-step explanation:

You deposit $2700 into a bank account paying 64.8% simple interest per year. You left the money in for 1 year. Find the interest earned and the amount at the end of those 1 year?

Result:

The interest is $1749.6 and the amount is $4449.6.

Explanation:

STEP 1: Find an interest by using the formula , where I is interest, P is total principal, i is rate of interest per year, and t is total time in years.

In this examplee P = $2700, i = 64.8% and t = 1 years, so

 

STEP 2: Find an amount by using the formula .A =P+I

Since P = $2700 and I = $1749.6 we have

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3 years ago
Solve the following equation for y. -19x +2y = 7​
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Answer:

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2y = 7  + 19x

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3 years ago
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I do not understand this at all. help please
Len [333]

Equation:

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10y=9x-9

y=9/10x-9/10


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What is the correct answer to the last box with a red x on it?
ahrayia [7]

Answer:

good question

did i ask shut man stop cheating

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Let f(x) = 12 over the quantity of 4 x + 2. Find f(−1).
stich3 [128]
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