3 years ago

We want to factor the following expression:

Mathematics

1 answer:

11Alexandr11 [23.1K]3 years ago

7 0

Answer:

3x-3+4=3x+1

2x-2+x-1+4=

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What is the T.A. = and V =

chubhunter [2.5K]

The formula of the area of the equilateral triangle:
$A_\Delta=\dfrac{a^2\sqrt3}{4}\\\\a=3\to A_\Delta=\dfrac{3^2\sqrt3}{4}=\dfrac{9\sqrt3}{4}$

The formula of the area of the rectangle:
$A=width\times length=wl\\\\w=3;\ l=6\\\\A=3\cdot6=18$

$T.A.=2A_\Delta+3A\\\\T.A.=2\cdot\dfrac{9\sqrt3}{4}+3\cdot18=\dfrac{9\sqrt3}{2}+54=(54+4.5\sqrt3)\ in^2$
The formula of the volume of the triangular prism:
$V=A_\Delta\cdot l\\\\V=\dfrac{9\sqrt3}{4}\cdot6=\dfrac{9\sqrt3}{2}\cdot3=\dfrac{27\sqrt3}{2}=13.5\sqrt3\ in^3$

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3 years ago

Please help me with math ASAP!!!

lapo4ka [179]

Answer:

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y = 49

Step-by-step explanation:

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Celine's book club read 42 books over 14 months. How many total months will it take them to read 57 books? Solve using unit rate

miskamm [114]

Answer:

Step-by-step explanation:

42/14 = 57/x

42x = 57*14

42x = 798

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3 years ago

Jodi has two bank accounts. Her parents started Account A for her. It currently has $100 in it, and Jodi deposits $20 into it ea

Law Incorporation [45]

Answer:

(f+g)(x) = 60x + 400

Step-by-step explanation:

Given :

Amount in account A:

f(x) = 20x + 100

Amount in account B :

g(x) = 40x + 300

Total amount in Account A and B:

f(x) + g(x) = (20x + 100) + (40x + 300)

(f+g)(x) = (20x + 40x) + (100 + 300)

(f+g)(x) = 60x + 400

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3 years ago

K: Marcus has 8 pairs of jeans, 4 pairs of black

jasenka [17]

Answer:

19 bottoms to wear

Step-by-step explanation:

1. 8+4+2+5

2.8+4+2+5= 19 bottoms

3. if i did something wrong or didnt catch something tell me

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3 years ago