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3 years ago

(-2,-4) ;m =3 in point slope form please

Mathematics

1 answer:

zalisa [80]3 years ago

8 0

$\huge\boxed{y+4=3(x+2)}$

Point-slope form is $y-y_1=m(x-x_1)$ , where $m$ is the slope and $(x_1,y_1)$ is a point on the line.

Substitute in the values. $y-(-4)=3(x-(-2))$

Simplify the negative subtraction to addition. $\boxed{y+4=3(x+2)}$

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Use the compound interest formula A =P(1 + r) t and the given information to solve for r.

Dmitry [639]

Answer:

Rounding to nearest hundredths gives us r=0.06.

So r is about 6%.

Step-by-step explanation:

So we are given:

$A=P(1+r)^t$

where

$A=2300$

$P=1600$

$t=6$ .

$A=P(1+r)^t$

$2300=1600(1+r)^6$

Divide both sides by 1600:

$\frac{2300}{1600}=(1+r)^6$

Simplify:

$\frac{23}{16}=(1+r)^6$

Take the 6th root of both sides:

$\sqrt[6]{\frac{23}{16}}=1+r$

Subtract 1 on both sides:

$\sqrt[6]{\frac{23}{16}}-1=r$

So the exact solution is $r=\sqrt[6]{\frac{23}{16}}-1$

Most likely we are asked to round to a certain place value.

I'm going to put my value for r into my calculator.

r=0.062350864

Rounding to nearest hundredths gives us r=0.06.

8 0

3 years ago

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Arturiano [62]

4. Cross multiply (10•6) (15•n) 15n=60 you do the opposite operation so instead of multiply 15•n you divided 15 from n. And what u do on one side u do on both. So divide 15 from 60 and u get 4.

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2 years ago

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Tcecarenko [31]

The answer is: c- all real numbers

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Roman55 [17]

Easy just divide by 2 :)))

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Andrej [43]

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3 years ago