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VARVARA [1.3K]
2 years ago
10

Find the value of X in the triangle shown.

Mathematics
1 answer:
zalisa [80]2 years ago
7 0
X = 12

Use the Pythagorean Theorem.
13^2 = 5^2 + x^2
169 = 25 + x^2
Subtract 25 from both sides.
144 = x^2
Take the square root.
12 = x
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What is the perimeter, in units, of polygon PQRSTU? Enter your answer in the box.
ololo11 [35]

Answer:

24 units

Step-by-step explanation:

Perimeter of Polygon PQRSTU = sum of all its side lengths = PQ + QR + RS + ST + TU + PU

PQ = |-4 -(-2)| = 2 units

QR = |4 - 2| = 2 units

RS = |-2 - 2| = 4 units

ST = |2 -(-2)| = 4 units

TU = |2 -(-4)| = 6 units

PU = |4 - (-2)| = 6 units

Perimeter of Polygon PQRSTU = 2 + 2 + 4 + 4 + 6 + 6 = 24 units

5 0
3 years ago
Can someone please help me
cupoosta [38]

1a) so for this problem, I took what they gave you, 637.5 and divided it by .75 and got 850

so .75 * 850 = the gallons, so just take the number of hours and multiply it by 850 to get your gallons

0.25 x 850 = 212.5

1.5 x 850 = 1,275

2.5 x 850 = 2,125

1b) the unit rate is 850

1c) 5.5 x 850 = 4,675 gallons

1d) So 850 gallons can be filled in an hour, you only need 100 gallons

850/100 = 17/2 (simplified)

17 gallons/hour 60 minutes

------------------------- x ---------------------

2 gallons 1 hour

the gallons cancel out and the hours cancel out which leaves us with:

17 x 60 = 1,020 / 2 = 510

510 minutes

2) I don't know how to do two sorry

5 0
3 years ago
Cho ánh xạ tuyến tính f : R^3 → R^3 và hai cơ sở của R^3 :
kifflom [539]

Step-by-step explanation:

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2 years ago
A 6-pound watermelon costs $2.40 before a 30% discount. Which equation would allow you to find the discounted price of the water
krok68 [10]

Answer:

Price after discount = 2.4 (1-.3)

Price after discount = 2.4 (.7)

Step-by-step explanation:

We know the cost after the discount.

Price after discount = original price - original price * discount rate

Factoring out the original price

Price after discount = original price (1- discount rate)

We know the discount rate = .3 and the original price is 2.4

Price after discount = 2.4 (1-.3)

Price after discount = 2.4 (.7)

Price after discount = 1.68


4 0
3 years ago
How to write z times 5 as an algebraic expression
ra1l [238]

Answer:

z5

Step-by-step explanation:


7 0
3 years ago
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