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Mnenie [13.5K]
3 years ago
8

Suppose that there are 630 seats in a row. If the person to be seated is needed to sit next to someone, then what is the fewest

number of seats that need to be occupied?
Mathematics
1 answer:
Colt1911 [192]3 years ago
6 0

Answer:

Its 210

Step-by-step explanation:

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Quadrilateral RSTU is a rectangle with diagonal RT. If rtu 8x + 4 and str = 3x – 2, find x
dolphi86 [110]

Answer:

x=8

Step-by-step explanation:

we know that

If Quadrilateral RSTU is a rectangle

then

The measure of angle STU is a right angle

m∠STU=90°

m∠STU=m∠STR+m∠RTU

so

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substitute the given values

(3x-2)+(8x+4)=90°

Solve for x

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11x=90-2

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7 0
3 years ago
if there are 90 calories in 3/4 cuo of yogurt how man calories are in 3 cups of yogurt 30 calories 202 calories 270 calories 360
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Hello!

To find how many calories in three cups we can use the proportion below.

\frac{calories}{cups} = \frac{90}{3/4} = \frac{c}{3}

To find our answer we can say, "How many times does 3/4 go into 3," and then multiply that number by 90 as shown below.

3÷3/4=4
90(4)=360

Just to verify, we will cross multiply and check our answer 

90(3)÷3/4
270÷3/4=360

Therefore, our answer is D) 360 calories.

I hope this helps!

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