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kvasek [131]
2 years ago
5

Can someone help me out 10 points

Mathematics
2 answers:
amid [387]2 years ago
6 0

Answer:

1. B (firefighter question)     2. A (dance lesson fee question)     3. A (dolphin question)

Step-by-step explanation:

1. The firefighters gear PLUS his weight is how much he weighs in total.

2. An added fee is usually represented as a registration fee or staring fee. There was 45w which should represent the fee she paid every week.

3. The dolphin swims at a rate of 25 kilometres per hour. The graph represents the distance the dolphin traveled because in two hours the dolphin would travel 50 kilometres (25 kilometres*2 hours) and so on.

jeyben [28]2 years ago
5 0

Answer:

B

Step-by-step explanation:

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HELP WITH NUMBER 13 please
amid [387]

Answer: QE = 10

Step-by-step explanation: To solve this problem, it's important to understand that the diagonals of a parallelogram bisect each other.

This means that E is the midpoint of diagonal SQ.

So we can setup the equation x² + 9x = 4x + 6.

To solve this polynomial equation, set it equal to zero first.

So we have x² + 5x - 6 = 0 and we get (x + 6)(x - 1) = 0

when we factor the left side of the equation.

So this means that x = -6 or x = 1.

However, -6 will give us a negative length when we plug it in

to find QE so this will not work.

However, plugging 1 in will give us 10 as a length so QE = 10.

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jek_recluse [69]
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vovikov84 [41]

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Step-by-step explanation:

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the price of an item has been reduced by 95%. the original price was $75. what is the original sale price
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