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chubhunter [2.5K]
3 years ago
10

I need the answer plz

Mathematics
2 answers:
brilliants [131]3 years ago
8 0

Answer:

89

Step-by-step explanation:

1. She spent a total of 23 + 30 + 16 = 69 dollars.

2. That means she had at least 69 dollars to spend. But if it were 69 dollars, that would mean she had 0 remaining dollars because she spent it all.

3. But she had 20 dollars left after she spent the 69 dollars.

4. So that means she had 89 dollars before making the purchase

aleksklad [387]3 years ago
7 0

She had 89 dollars

Explanation:

‘Jessica is going to a vegetable shop. She buys some lady fingers for $23, some potatoes for $30, and a bag of tomatoes for $16. Now she has $20 left. How much did she have to begin with?

All you have to do is add the numbers up.

23 + 30 + 16 + 20 = 89

Conclusion: Jessica had $89 dollars to begin with.

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Tracy is taking advantage of a 25% off sale to buy a new coat. If the coat's sale price is $135, what was the original cost? A)
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Its D $160 because $135 times 25 percent is 33.75 and add that to 135
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If 5b=6a+16 and 9a=7b-20, then what are the values of a and b? show work.
Strike441 [17]

Answer:

a = 4, b = 8

Step-by-step explanation:

Rewrite 5b=6a+16 and 9a=7b-20 vertically:

5b=6a+16

9a=7b-20

Let's use substitution.  Solve the first equation for b:

       6a + 16

b = --------------

             5

Substitute this result into the second equation:

9a = 7(b) + 16, or

             6a + 16

9a = 7*-------------- - 20

                   5

Eliminate the fraction by multiplying all three terms by 5:

45a = 7(6a + 16) - 100, or

3a =        112 - 100, or:

3a = 12, which leads to a = 4.  

Find b by subbing 4 for a in either of the given equations:

5b = 6(4) + 16, or

5b = 40, leading to b = 8

The solution is a = 4, b = 8

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3 years ago
PLSS I NEED HELP ASAP BECAUSE ITS DUE SOON
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D. 10 x 62

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Formula to find base of a triangle
ohaa [14]

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Step-by-step explanation:

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3 years ago
What is the volume of the following cylinder? Do not round your answer. (Use 3.14 for π.)
vlabodo [156]

Answer:

1696.460033 u^3

Step-by-step explanation:

1. The volume formula for a cylinder is \pi r^2h.

2. The radius is half of the width, So r would be 6. (12/2=6)

3. (6)^2 is 36. (6x6)

4. The height is given, which is 15.

5. Plug these numbers into the equation. It should be

\pi (6)^2(15)

6. This gives you your answer of 1696.460033 u^3.

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3 years ago
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