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3 years ago

Can someone help me plz

Mathematics

1 answer:

joja [24]3 years ago

7 0

is it from a textbook

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What is 80% of 520???

dolphi86 [110]

.80 x 520= 416. ——————————-

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4 years ago

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Help asap plsplspls!! :)

OlgaM077 [116]

Answer:

1.7

Step-by-step explanation:

1 + 7/10

= 1 + 0.7

= 1.7

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3 years ago

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The point-slope form of the equation of the line that passes through (–5, –1) and (10, –7) is . What is the standard form of the

kvasek [131]

Answer:

Point-Slope form: $y+1=-\frac{6}{15}(x+5)\\$

standard form: $2x+5y=-15$

Step-by-step explanation:

The standard form is given by: $Ax+By=C$

The point-slope form is given by: $y-y_1=m(x-x_1)$

Let's call $(-5,-1)$ as point $(x_1,y_1)$ , and

point $(10,-7)$ as point $(x_2,y_2)$

We also know that the slope $m$ is given by $m=\frac{y_2-y_1}{x_2-x_1}$

Let's find the slope:

$m=\frac{-7-(-1)}{10-(-5)}=-\frac{6}{15}$

1. So, point slope form can be written as:

$y-(-1)=-\frac{6}{15}(x-(-5))\\y+1=-\frac{6}{15}(x+5)\\$

2. Rearranging this equation and bringing all x's and y's to one side and the number to another side will give us the standard form. So:

$y+1=-\frac{6}{15}x-2\\y+\frac{6}{15}x=-2-1\\y+\frac{6}{15}x=-3$

But A, B, and C (standard form) needs to be integers, so to get rid of the denominator , we multiply the whole equation by 15. So we have:

$y+\frac{6}{15}x=-3\\15y+6x=-45$

We can factor out a 3, so it becomes:

$15y+6x=-45\\5y+2x=-15$

So standard form is $2x+5y=-15$

8 0

4 years ago

Help!!! How do I do this?

taurus [48]

I think your answer could be 1 or 4 Hope this helps if it does mark me brainliest.

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3 years ago

F(x) = 3x3 + 4x2 – 8x – 2 g(x) = 3x - 5 Find (f - g)(x).

blsea [12.9K]

Answer:

idk what it is

Step-by-step explanation:

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3 years ago