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damaskus [11]
3 years ago
10

I need help please and thank you

Mathematics
2 answers:
andrew-mc [135]3 years ago
3 0

Answer:

Area will be 2(lb + bh + hl)

So 2*(12*9 + 9*4 + 4*12)

384 sqft

Talja [164]3 years ago
3 0

Step-by-step explanation:

Here , length (l) = 12 ft

width (w) = 9ft

height(h) = 4ft

Surface area = 2( lw +wh+ lh)

= 2( 12×9 +9×4+4×12)

=2(108+36+48)

= 2×192 = 384 sq. ft

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Lxl=10 what is the answer
Svetradugi [14.3K]

Answer:

10

Step-by-step explanation:

The absolute value of 10 is 10. Algebraically speaking, the absolute value of a number x takes x and makes it positive.

6 0
2 years ago
Two interior angles in a triangle measure 101 degrees and 34 degrees. What is the measure of the third angle?
Colt1911 [192]
All the angles in a triangle equal 180 degrees.

So,

101+34+x=180

x= the missing angle.

135+x=180

Subtract both sides by 135.

x= 45

The missing angle equals 45 degrees.

I hope this helps!
~kaikers
5 0
3 years ago
Simplify these expressions<br> 2a + 5a <br> 12x-3x<br> 3p+2p-p
Novosadov [1.4K]

Step-by-step explanation:

1.solution

=2a+5a

=7a

2.solution

=12x-3x

=9x

3.solution

=3p+2p-p

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Hope it helps you.

6 0
2 years ago
Read 2 more answers
How do i solve x squared = 4x -5
ICE Princess25 [194]

Answer:

x = 2 ±i

Step-by-step explanation:

x^2 = 4x-5

Subtract 4x from each side

x^2 - 4x = 4x-5 -4x

x^2 - 4x= -5

Complete the square

Take the coefficient of the x term, divide by 2 and square it

-4/2 =2   2^2 =4

Add 4 to each side

x^2 -4x+4 = -5 +4

The left side is (x-coefficient of the x term/2)^2

(x-2)^2 = -1

Take the square root of each side

sqrt((x-2)^2) = sqrt(-1)

x-2 = ±i

Add 2 to each side

x-2+2 = 2 ±i

x = 2 ±i

6 0
2 years ago
African elephants can eat up to 500 pounds of vegetation in one day. How many pounds of vegetation could an elephant eat in a we
Murrr4er [49]

Answer:

they would eat 3500 pounds of food in 1 week

Step-by-step explanation:

its simple math just multiply 500 by 7 and you would get 3500

5 0
2 years ago
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