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Blababa [14]
3 years ago
11

(x + 7)(x + 10) = what is the answer

Mathematics
1 answer:
ch4aika [34]3 years ago
8 0

We can use FOIL to solve.

(x + 7)(x + 10)

(x * x) + (x * 7) + (7 * x) + (7 * 10)

x² + 7x + 7x + 70

x² + 14x + 70

Best of Luck!

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Part a
The sample size is large enough to use the central limit theorem because it is greater than 30.

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Part c.
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6 0
2 years ago
The back of a large truck can hold 3,560 pounds. If a crate of milk weighs 160 ounces, how many crates will the back of the truc
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Step-by-step explanation:

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2 years ago
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Answer:

B. Beth's age is 18 years, and Sally's age is 42 years.

Step-by-step explanation:

You can solve this question in a couple of different ways. First, you can use process of elimination. You know that Sally is older than Beth because she has to be 3 times older 6 years ago, so you can get rid of options C and D because they both show Beth as being older. Now you only have A and B, and you can use a different process. Now from just looking at it, you can tell that A actually already shows Sally as 3 times Beth's age, 15 * 3 = 45. If you go to B, you can go ahead and subtract 6 from 18 (Beth's age) which will give you 12, and then multiply that by 3 to get 36. Now if you take 42 (Sally's age) and subtract 6 from it as well, you will get 36. This means that is lines up. To simplify, you are subtracting 6 from both 18 and 42, and then you are multiplying the lower number by 3 to see if it gets to the bigger number.

Hope this helped ^-^

3 0
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Answer:

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Step-by-step explanation:

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