3 years ago

Find the solution to the following system of linear

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

8 0

Step-by-step explanation:

$y = 4x - 4 \\ x + y = 11 \\ x + 4x - 4 = 11 \\ 5x = 15 \\ x = 3 \\ y = 4 \times 3 - 4 \\ y = 8$

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What is 3x + -5 = x + 1 i need the answer asap!!!!!

Flauer [41]

Answer:

3x-5=x+1

2x-5=1

2x=6

x=3

Let me know if this helps!

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3 years ago

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kupik [55]

Answer:

$360\ cm^2$

Step-by-step explanation:

Step 1: Determine the area of the bottom rectangle

$A = l * w$

$A = 10\ cm * 12\ cm$

$A = 120\ cm^2$

Step 2: Determine the area of the back rectangle

$A = l * w$

$A = 10\ cm * 5\ cm$

$A = 50\ cm^2$

Step 3: Determine the area of the top rectangle

$A = l * w$

$A = 10\ cm * 13\ cm$

$A = 130\ cm^2$

Step 4: Determine the area of the triangle

$A = \frac{h*b}{2}$

$A = \frac{5\ cm * 12\ cm}{2}$

$A = \frac{60\ cm^2}{2}$

$A = 30\ cm^2$

Step 5: Determine the surface area

$120\ cm^2 + 50\ cm^2 + 130\ cm^2 + 2(30\ cm^2)$

$360\ cm^2$

Answer: $360\ cm^2$

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If f(x) = 7x- 3 and g(x) = x2 - 4x- 8, find (f+ 9%).

zavuch27 [327]

Answer:

option D

Step-by-step explanation:

f(x) = 7x- 3

g(x) = x2 - 4x- 8

we have

(f+g)(x)= 7x- 3 +x2 - 4x- 8

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Answer:

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Step-by-step explanation:

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seraphim [82]

L=8yd
B=15yd
H=4yd

Volume:-.

$\\ \tt\longmapsto V=LBH$

$\\ \tt\longmapsto V=8(15)(4)$

$\\ \tt\longmapsto V=480yd^3$

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2 years ago