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4 years ago

HELP ASAP Please!!!

Mathematics

2 answers:

Nookie1986 [14]4 years ago

5 0

True I think I could be wrong gotta get these points

lutik1710 [3]4 years ago

4 0

i pretty sure its false i could be wrong but i think its false

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Math solve for x pls

olchik [2.2K]

Answer:

Step-by-step explanation:

Plug in 15 for y in the first problem so instead of y=x-11 it would be 15=x-11

15=x-11

+11= +11 (you want to add 11 to both sides to get x by its self)

26=x

6 0

3 years ago

If the dimensions of a rectangular prism are 39 mm × 12 mm × 15 mm, then what is the surface area

grin007 [14]

Answer:

$\huge\boxed{SA=2466\ (mm^2)}$

Step-by-step explanation:

The formula of a Surface Area of a rectangular prisms:

$SA=2(lw+lh+wh)$

l - length

w - width

h - height

We have:

$l=39mm;\ w=12mm;\ h=15mm$

Substitute:

$SA=2\bigg((39)(12)+(39)(15)+(12)(15)\bigg)\\\\SA=2(468+585+180)\\\\SA=2(1233)\\\\SA=2466\ (mm^2)$

5 0

3 years ago

Running out of time. Please make sure you know how to do this. Can't miss too many more!!!!!

oee [108]

Answer:

its the second one

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Simplify the expressions

4vir4ik [10]

Answer:

1) 2(2x+3)

2) 2x+4

3) - X + 4

4) 9x - 2

5) 5x−2

6) - 12x - 17

7) - 15x + 11

8) 3x/4

9) - 4x + 7

10) 4x-26/2

11) - 8x + 20.8

12) x - 6

8 0

3 years ago

Please help please reply

fgiga [73]

Answer:

hypotenuse:15

Step-by-step explanation:

Pythagorean Theorem is a^2 + b^2 = c^2

"a" and "b" are the legs, "c" is the hypotenuse

9^2 + 12^2 = 225

$\sqrt{225\\$

hypotenuse = 15

4 0

3 years ago