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liubo4ka [24]
3 years ago
13

Please help with Algebra

Mathematics
2 answers:
Serhud [2]3 years ago
5 0

Answer: 6

Step-by-step explanation: The y-intercept is a point where a line

crosses the y-axis and all y-intercepts have an x-coordinate of zero.

So to find the y-intercept of this line, we can plug a 0 in for x.

So we have 4(0) + 2y = 12.

So 2y = 12 which means that <em>y = 6</em>.

So the y-intercept of this line is 6.

mina [271]3 years ago
3 0

Answer:

C) 6

Step-by-step explanation:

I converted the equation into slope-intercept form and then identified the y-intercept.

4x+2y=12\\\\4x-4x+2y=12-4x\\\\2y=12-4x\\\\\frac{2y=12-4x}{2}\\\\ y=6-2x\\\\y=-2x+6\\\\y=-2x+\boxed{6}

C should be the correct answer.

Hope this helps.

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The picture is very blurry for me can you take another
5 0
3 years ago
State the domain and range for the following relation. Then determine whether the relation represents a function
Marysya12 [62]

Answer:

Domain: {XS, Red, Yellow, 45, A}

Range: {Size, Color, Number, Letter}

Step-by-step explanation:

The domain of the function shown in the mapping above are all variables that fall under "A word", while the range consists of all variables under "category".

The mapping shows that the relation represents a function, because each domain variable has exactly one range variable. No single domain variable is mapped to two different range variable.

The correct answer is:

Domain: {XS, Red, Yellow, 45, A}

Range: {Size, Color, Number, Letter}

8 0
4 years ago
At age 23​, someone sets up an IRA​ (individual retirement​ account) with an APR of ​7%. At the end of each month he deposits ​$
MAVERICK [17]

Answer:

The ira will contain $228,278.05 when he retires at age 65. This is 6.04 times the amount of money he deposited.

Step-by-step explanation:

In order to solve this problem, we can make use of the following formula:

FV=PMT[\frac{(1+i)^{n}-1}{i}]

Where:

FV= Future value of the ira

PMT= the amount of money you deposit each month

i= is the interest rate per period

n=number of periods

in this case we will assume the interest will be compounded each month.

So:

FV this is what we need to know.

PMT= $75  the amount he will deposit each month

t = 42 years,

this is 65-23=42

n=42 years * 12 months/year = 504 months

i=0.07/12

So we can now use the given formula:

FV=PMT[\frac{(1+i)^{n}-1}{i}]

FV=75[\frac{(1+\frac{0.07}{12})^{504}-1}{\frac{0.07}{12}}]

So we get:

FV=$228,278.05

which is the amount of money he will have after 42 years.

In total, he deposited:

$75*504months = $37,800

so he will have:

\frac{228,278.05}{37,800}=6.04 times the amount of money he deposited throughout this time.

7 0
3 years ago
Please Help
xxMikexx [17]

Answer:

degree of length = 1

degree of width = 1

degree of height = 3

degree of volume = 4

Step-by-step explanation:

V = (4x - 1)( x)(x³) = (4x² - x)x³ = 4x∧5 - x∧4

dV/dx = 20x∧4 - 4x³  

d²V/dx² = 80x³ - 12x²

80x³ - 12x² = 0

4x²(20x - 3) = 0

20x - 3 = 0

20x = 3

∴ x = 3/20

Length, 4x - 1 = 4 (3/20) - 1 = 3/5 - 1 = -2/5

∴ degree of length = 1

Width, x = 3/20

∴ degree of width = 1

Height, x³ = (3/20)³ = 27/8000

∴ degree of height = 3

Volume, 4x∧5 - x∧4 = 4(3/20)∧5 - (3/20)∧4 = 4(243/3200000) - (81/160000) = 243/800000 - 81/160000 = (243 - 405)/800000 =               - 162/800000 = - 81/400000

∴ degree of volume = 4

5 0
3 years ago
Read 2 more answers
a kitten is stuck 15 1/2 feet in a tree. u have acess to 4 different ladders. 10 feet , 12 feet , 16 feet , 20 feet . which is t
Rainbow [258]

Answer:

16ft

Step-by-step explanation:

it'll lean at about the 12ft mark

5 0
3 years ago
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