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3 years ago

PLEASE HELP!! 20 POINTS EACH

Mathematics

1 answer:

SashulF [63]3 years ago

4 0

Answer:

443.2 grams

Step-by-step explanation:

Each can contains 55.4 grams of protein, and there are 8 cans, so the answer would be 55.4*8 = 443.2 grams.

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Solve the quadratic equation by using the quadratic formula. if the solution are not real, enter N/A 3x^2-7x+1=0

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Answer:

$\displaystyle x=\frac{7\pm\sqrt{37}}{6}$

Step-by-step explanation:

$\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x=\frac{-(-7)\pm\sqrt{(-7)^2-4(3)(1)}}{2(3)}\\\\x=\frac{7\pm\sqrt{49-12}}{6}\\ \\x=\frac{7\pm\sqrt{37}}{6}$

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2 years ago

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Step-by-step explanation:

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3 years ago

a rectangular wall with a length of 10x and width of 20 x has a rectangular doorway with a length of 5x and a width of 2x. What

Shtirlitz [24]

Answer:

∴ The the surface area of the wall is $190x^{2} \ square\ unit$ .

Step-by-step explanation:

Given that,

The length of rectangular wall is $10x$ .

The width of rectangular wall is $20x.$

The length of doorway is $5x.$

The width of doorway is $2x.$

and, we have to find the surface area of rectangular wall.

Now,

The length of rectangular wall is $10x$ .

The width of rectangular wall is $20x.$

∴ Total surface area of a rectangular wall $= Length\ of\ wall\times Width\ of\ wall$

$= 10x\times 20x$

$=$ $200x^{2} \ square\ unit$

Total surface area of a rectangular wall is $200x^{2} \ square\ unit$ .

Again, The length of doorway is $5x.$

The width of doorway is $2x.$

∴Total surface area of doorway $=Lenght\ of\ doorway\times Width\ of\ doorway$

$=5x\times 2x$

$=10x^{2} \ square\ unit$

Total surface area of doorway is $10x^{2} \ square\ unit$ .

∴The remaining surface area of a rectangular wall is $=$ $200x^{2} -10x^{2}$

$=190x^{2} \ square\ unit$

∴ The the surface area of the wall is $190x^{2} \ square\ unit$ .

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4 years ago

Hi can someone please help me with this problem? It’s solving systems of equations in 3 variables by elimination

WINSTONCH [101]

X=10 Y=-2 Z=4 so basically your answer will be (10,-2,4) & your welcome

7 0

3 years ago

19)You are trying to decide between two apartments to rent.

VMariaS [17]

Answer:

ok so the first one is

1200x+2000

the second one is

1000x+3000

month 1.

a.3200

b.4000

month 2.

a.4400

b.5000

month 3.

a.5600

b.6000

month 4.

a. 6800

b. 7000

month 5.

a. 8000

b. 8000

They would equal out at 8000 in month 5

7 0

3 years ago