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svetoff [14.1K]
3 years ago
11

Stephanie sells 12 pretzels per hour. Robert sells 15 pretzels per hour. This week, Robert sold an additional 18 pretzels. Which

of the following expressions represent the total sales of both people in this week, where S represents Stephanie worked and R represents the number of hours that Robert worked?
A- 15S + 12R +18
B- 12S + 15R +18
C- 12S + 15R
D- 12S + 18R
Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
5 0

Answer:

I'm pretty sure it is D I'm not 100% sure though... sorry if it is wrong

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Factor a number, variable, or expression out of the polynomial shown below. <br><br> 20x3 + 15x
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Use the Perfect Square Trinomial and provide the first step to calculating 382 without a calculator.
dusya [7]

Answer:

(40-2)^2

Step-by-step explanation:

Given: (38)^2

To find: the correct option

Solution:

A binomial polynomial is a polynomial consisting of two terms.

A trinomial polynomial is a polynomial consisting of three terms.

On multiplying a binomial (x-y) to itself, a perfect square trinomial (x-y)^2 is obtained.

Here, 38=40-2

So, (38)^2=(38)(38)=(40-2)(40-2)=(40-2)^2

Here, (40-2) is a binomial and it is multiplied to (40-2) to get a perfect square trinomial (40-2)^2

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3 years ago
Kylie is shopping at the mall. She buys a pack of water balloons for $3. She also buys seven t-shirts, each marked at the same p
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Answer:

b 3x +7y =59

Step-by-step explanation:

x is water balloons at 3 each and y is t-shirts at 7$ each.

7 0
3 years ago
Can you guys help? Picture is attached down below.
Scilla [17]

Answer:

14.4

Step-by-step explanation:

hope this helps

3 0
3 years ago
Sammie has 9 fewer rings than emilio. Sammie has 7 more rings than Sara. Emilio has 34 rings
FrozenT [24]

Answer:

sara has 18 rings

sammie has 25 rings

Step-by-step explanation:

Emilio has 34

Sammie has 9 less than Emilio

34-9=25

Sammie has 7 more than sara

25-7=18

sara has 18

7 0
3 years ago
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