Please write out the equations!

Mathematics

1 answer:

fgiga [73]3 years ago

5 0

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Find the surface area

ki77a [65]

Step-by-step explanation:

so for this one u do

$15 \times 9 + 9 \times 4 + 15 \times 4$

231 the times it by 2 for the both sides

231×2=462 cm2

hope this make sense :)

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3 years ago

Round 14494 to the nearest thousand feet

klasskru [66]

14,000 because 494 would round down since it is not above 500.

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3 years ago

Solve Systems by Substitution 2x+5y=-3 x+8y=4 and 2x+y=7 x-2y=-14

ASHA 777 [7]

2x + 5y = -3 ⇒ 2x + 5y = -3
1x + 8y = 4 ⇒ 2x + 16y = 8
 -11y = -11 
 -11 -11
 y = 1
 2x + 5(1) = -3
 2x + 5 = -3
 -5 -5
 2x = -8
 2 2
 x = -4
 (x, y) = (-4, 1)

2x + 1y = 7 ⇒ 2x + 1y = 7
1x - 2y = -14 ⇒ 2x - 4y = -28
 5y = 35
 5 5
 y = 7
 2x + 7 = 7
 -7 -7
 2x = 0
 2 2
 x = 0
 (x, y) = (0, 7)

4 0

3 years ago

Joe nas to take two quizzes tomorrow. He nas only enough time to study one of them. • The science quiz has 7 true-or-false quest

Nostrana [21]

Answer:

Step-by-step explanation:

Science questions are T/F. That's .5 or $\frac{1}{2}$ chance to get it right.