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disa [49]
3 years ago
6

Simplify.

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0

Use\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\\sqrt{75}=\sqrt{25\cdot3}=\sqrt{25}\cdot\sqrt3=5\sqrt3\to\boxed{B)}

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How much is 78 cents per pound for 5 pounds
velikii [3]

Answer:

$3.90

Step-by-step explanation:

78 cents/lb * 5 lb = (78*5) cents = 390 cents (the pound labels divide out)

But 390 cents = $3.90

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2 years ago
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6x9 = (6 * 5) + (6<br> )<br> What is the missing number
taurus [48]

Answer:

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Step-by-step explanation:

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Someone please help on this problem ?
Wewaii [24]

Answer:

CR = 17 ; PR = 30

Step-by-step explanation:

From the problem hypothesis we know that CD⊥PR or CQ⊥PR(perpendicular) and ∡PCQ ≡∡RCQ (bisector)

so ∡PCQ≡∡RCQ

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     CQ⊥PR

--------------------------------------------

⇒(cathetus - angle case of congruence)⇒ ΔPQC≡ΔRQC so [PQ]≡[QR] (=15) // PR = PQ+QR ⇒ PR=30

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7 0
3 years ago
6. Andre and Elena are each saving money. Andre starts with $100 in his savings account and adds $5 per week. Elena starts with
lora16 [44]

You need to write an equation for each.

For Andre, he has 100 dollars, and every week gets 5 dollars more. You add the 5 dollars, and Since you don't know how many weeks it has been, use a variable.

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For Elena, she has 10 dollars, and gets 20 each week.

10 + 20w

Now that you know that it has been 4 weeks, you can plug in 4 for the variable for weeks.

Andrew:

100 + 5(4) = 100 + 20 = 120

Elena

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Andrew has more money in this time.

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Bring the like terms to each side by canceling them out. Since you have positive 10, then subtract 10 to each side. You have 5w, so subtract 5w to each side.

100 + 5w = 10 + 20w \\ 90 + 5w = 20w \\ 90 = 15w \\ 90 \div 15 = 6 \\ 6 = w

The answer will simplify down to 6 weeks.

3 0
3 years ago
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A car travels 0.75 miles every minute. Explain how you could use proportional reasoning to find how far the car travels in one h
kaheart [24]
0.75 miles ⇒ 1 minute

There are 60 minutes in one-hour ⇒ This statement is the proportional reasoning part

60 minutes ⇒ 0.75×60 = 45 miles
8 0
3 years ago
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