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iogann1982 [59]
3 years ago
5

What is the value of 3ab+5b - 6 when a = - 1and b = 3​

Mathematics
2 answers:
maria [59]3 years ago
6 0

Answer:

0

Step-by-step explanation:

3ab+5b-6

3(-1)(3)+5(3)-6

-3(3)+5(3)-6

-9+5(3)-6

-9+15-6

6-6

=0

Hope this helps ☝️☝☝

Fantom [35]3 years ago
4 0

Answer:

the answer is 0

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Annette [7]

For this case we have that according to the order of algebraic operations PEMDAS, the multiplications have priority over the addition and subtraction, then, we have the following expression:

28 + 27 * 36 =\\28 + 972 =\\1000

Thus, the value of the expression is 1000.

Answer:

28 + 27 * 36 = 1000

8 0
3 years ago
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Veseljchak [2.6K]

Answer:

7a. D)

7b. $78

Step-by-step explanation:

7a: We're given the information that there's a daily fee of $50 and $0.35 per mile driven, which is m. We can write "$0.35 per mile driven" as 0.35m. Then, the total amount of money it costs represented as an expression is 50 + 0.35m, thus, making it answer D).

7b: In this problem, we have to take our previous expression 50 + 0.35m, plug in the value of m, and simplify.

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8 0
3 years ago
2a + 3b = 5<br> b = a - 5
Lunna [17]
<h2>1st Equation:</h2>

Answer for A:

a =  \frac{5 - 3b}{2}

Answer for B:

b =  \frac{5 - 2b}{3}

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Answer:

a = b + 5

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5 0
3 years ago
10 out of every 65 students order pizza for lunch. There are 416 students at her school. How many students will eat pizza at her
Studentka2010 [4]

Answer:

64

Step-by-step explanation:

First, you divide 416 by 65. This gets you 6.4. But it's not 1 in 65 eating pizza, it's 10 out of 65, so then you multiply 6.4 by 10, getting 64.

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3 years ago
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Lana71 [14]
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If you multiply these two together you will get 14036/2
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