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Elenna [48]
3 years ago
7

Help me pls.

Mathematics
1 answer:
salantis [7]3 years ago
3 0

Answer:

1. 424

2.471

3.512

Step-by-step explanation:

1. 10×12+8×10+8×13+8×15

=120+80+104+120

=424

2. 5×24+9×24+9×15+9×15

=120+216+135

=471

3. 24×16+2×24+2×20+2×20

=384+48+40+40

=512

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Brilliant_brown [7]

Answer:

The Scarecrow got it wrong.

Step-by-step explanation:

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2. The Pythagoras theorem deals with squares of sides not square roots of sides.

3. Pythagoras theorem does not state that the square of any side is equal to the sum of the remaining two. Instead, it states that the square of the hypotenuse of a right angled triangle is equal to the sum of the square of the remaining two sides.

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7 0
3 years ago
X X 7
harina [27]

Answer:

x=7

Step-by-step explanation:

x/3 +  x/6 = 7/2

Multiply each side by 6 to clear the fractions

6(x/3 +  x/6) = 7/2 *6

Distribute

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Combine like terms

3x = 21

Divide by 3

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4 0
3 years ago
Read 2 more answers
The total length of the stage is 76 feet. An actor starts at point A then stops at point B before disappearing through the trap
Sidana [21]

Answer:

since the distance from the outside edges is 26 1/2 feet, divide that by 2 to get the distance from the center to the edge ( 26 1/2 / 2 = 13 1/4 feet)

the stage is 76 feet so divide that by 2 to find the center 76/2 = 38 feet

now subtract the 13 1/4 from 38

38 - 13 1/4 = 24 3/4 feet from the side of the stage to the edge of the trap door

a little easier way would be to subtract the 26 1/2 from 76 and then divide by 2

76-26 1/2 = 49 1/2 / 2 = 24 3/4

Step-by-step explanation:

brainly.com/question/4710320?referrer=searchResults

7 0
3 years ago
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just olya [345]

Answer:

2.95, 2.25 and 2.016

Step-by-step explanation:

8 0
3 years ago
A college dorm has 9 floors..each floor has 32 rooms..use distributive property to find the total number of rooms in the dorm
bulgar [2K]
9 Floor
32 Rooms
To find total multiply 9 and 32 to get 288 total rooms.
6 0
3 years ago
Read 2 more answers
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