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3 years ago

14

What is the equation of the line that passes through (-5, 7) and is parallel to the line y = 4x + 5?

1 answer:

Marysya12 [62]3 years ago

6 0

Answer:

y=4x+27

Step-by-step explanation:

If a line is parallel, it would have the same slope, so you already have that.

Now, you need the y-intercept of the second line. You already have one point, so use that point and the slope to find the y-int. What you can do (since you know you have to go up 4 and over 1, add a 1 to the -5 until you get to zero. your y-int would be 7+20 since you've gone up 5x4)

your final answer (i think) should be y=4x+27, but I could be wrong :))

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3 years ago

When his daughter alisa was born mike began saving for her wedding. He wanted to have saved about 30,000 by the end of 20 years

Gennadij [26K]

Answer:

$\$16,610.27$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=20\ years\\A=\$30,000\\ r=0.03\\n=1$

substitute in the formula above

$30,000=P(1+\frac{0.03}{1})^{1*20}$

$30,000=P(1.03)^{20}$

$P=30,000/(1.03)^{20}$

$P=\$16,610.27$

4 0

3 years ago

Geometry What’s the answer to 5x-6y= 33 and 2x+y = -14

V125BC [204]

Answer:

X=-3 y=-8

Step-by-step explanation:

$5x - 6y = 33 \\ y = - 14 - 2x \\$

Put the second one in first

$5x - 6( - 14 - 2x) = 33 \\ 5x + 84 + 12x = 33 \\ 17x = - 51 \\ x = - 3$

$y = - 14 - 2 \times ( - 3) \\ y = - 8$

7 0

3 years ago