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dimulka [17.4K]
2 years ago
13

Suzie made a mistake in the following problem. The mistake was made in Line ___. Only input the number of the first incorrect li

ne. Line 1 7(6) ÷ 5 + 42 Line 2 7(6) ÷ 5 + 16 Line 3 42 ÷ 5 + 16 Line 4 42 ÷ 21 Line 5 2
Mathematics
1 answer:
zalisa [80]2 years ago
3 0

Answer:

Mistake in Line 2

Step-by-step explanation:

Line 1  

7(6) ÷ 5 + 42  

Line 2  

7(6) ÷ 5 + 16  

Line 3  

42 ÷ 5 + 16  

Line 4  

42 ÷ 21  

Line 5  

2

To simplify any expression we use order of operation

Line 1 is 7(6) ÷ 5 + 42  

Order of operation is PEMDAS

First we start with parenthesis

so we multiply 7(6) in line 2

7*6- 42

So Line 2 is 42 ÷ 5 + 42  

Hence there is a mistake in Line 2

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Approximately three out of every 25 Americans live in California about three out of every 50 Americans live in New York in about
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Cara and shirley, working together, can clean the house in 66 hours. working alone, shirley takes three times as long as cara. h
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3 years ago
Fifteen dozen eggs were needed for baking four wedding cakes. The first cake
Mazyrski [523]

Answer:

96 eggs

Step-by-step explanation:

A dozen is equal to 12 eggs, so 15 dozen is equal to 180 eggs

(Because 15*12 = 180)

We already know how many eggs are required for the 1st cake: 12 eggs.

Then it says "each successive cake needs twice as many eggs as the previos cake".

(Successive means the cake directly after the previous cake)

Here's how we find the number of eggs needed for the 2nd cake:

The 1st cake needed 12 eggs, and because the 2nd cake is directly after the 1st cake, we are going to need two times the amount of 12 eggs.

This equation represents the above scenario:

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So we need 24 eggs for the 2nd cake.

Now we repeat this process for the 3rd cake, finding twice the amount of eggs from the 2nd cake to find the amount of eggs needed for the 3rd cake:

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And we repeat it once more for the 4th cake, using the eggs from the 3rd cake:

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So here's the list of how many eggs are required for each of the cakes:

1st cake: 12

2nd cake: 24

3rd cake: 48

4th cake: 96

If you add all the eggs from each of the cakes, you will get 180, which is the number of eggs needed for all four cakes. So our answer is correct.

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7 0
3 years ago
Find CE in the length indicated
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5 0
3 years ago
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