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Anna [14]
2 years ago
10

1) Which expression is equivalent to

Mathematics
1 answer:
Svet_ta [14]2 years ago
7 0

Answer:

c

Step-by-step explanation:

6x+42+3x

6x+3x +42

9x+ 42

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10 points i guess
Elena-2011 [213]
Part A.
Using the Pythagorean theorem,
  PR² = PQ² +QR²
  PR² = (14 ft)² +(6 ft)² = 196 ft² +36 ft² . . . . substitute the given numbers
  PR² = 232 ft² . . . . . . . . . . . . . . . . . . . . . . . .find the sum
  PR = √(232 ft²) ≈ 15.23 ft . . . . . . . . . . . . . take the square root
The length of rod PR is 15.23 ft.

Part B.
Using the Pythagorean theorem,
  PR² = PQ² +QR²
  (16 ft)² = (14 ft)² +QR² . . . . . . . substitute the given numbers
  256 ft² -196 ft² = QR² . . . . . .. subtract 14²
  60 ft² = QR² . . . . . . . . . . . . . . find the sum
  √(60 ft²) = QR ≈ 7.75 ft . . . . . take the square root
The new height QR is about 7.75 ft.
8 0
4 years ago
A sandbox 12ft. By 14 ft. requires that the sand be spread to a depth of 6 in. How many cubic feet of sand are needed?
Fynjy0 [20]

Answer:

84 ft²

Step-by-step explanation:

Solve for Volume. Volume of a box is:

V = Length (base) x Width (base) x Height (of rectangular prism/square)

Change each measurement to have the same measurement (ft -> in, or vice versa).

Note that 1 ft = 12 in.

6 in = 1/2 ft, because 6/12 = 1/2

Length = 12 ft

Width = 14 ft

Height = 1/2 ft

Solve. Plug in the corresponding number to the corresponding words.

V = 12 x 14 x 1/2

Simplify. Solve.

V = 12 x (14 x 1/2)

V = 12 x (14/2)

V = 12 x 7

V = 84

84 ft² is your answer.

~

5 0
3 years ago
Read 2 more answers
anyone dont mind helping me with this (edit i forgot to post the picture my bad please dont answer the first one)
VLD [36.1K]

Answer:

The answer is D.

Step-by-step explanation:

We have 3 interior angle with two of them being 30, and the total is 180 so 180-30-30=120.

8 0
3 years ago
Read 2 more answers
Select the correct answer.
elena-14-01-66 [18.8K]

Answer:

bro is you making this stuff

Step-by-step explanation:

im in it for the pioints

6 0
3 years ago
daniel has 65 to spend at mexican fiesta.General admisions is 17,and each snack cost 4.50.How many snacks can daniel purchase wh
Vsevolod [243]

Answer:

x = 10.66 so Daniel can purchase 10 snacks without going over his budget.

Step-by-step explanation:

65 = 4.50x + 17

Subtract 17 from both sides, you're left with 48 = 4.50x

You then divide 4.50 from both sides to get your answer!

6 0
3 years ago
Read 2 more answers
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