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3 years ago

Can someone pls help me w this ASAP PLS!!!!!

Mathematics

1 answer:

Fudgin [204]3 years ago

3 0

Answer:

hththththth

Step-by-step explanation:

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Express the following in scientific notation: 0.0000079

Law Incorporation [45]

Answer:

7.9 * 10 ^-6

Step-by-step explanation:

Move the decimal 6 places to the left so there is one number before the decimal

0.0000079

7.9

The exponent is -6 ( negative because we moved it to the left)

7.9 * 10 ^-6

4 0

3 years ago

Read 2 more answers

What are the x-intercept and y-intercept of the graph of y= -1/2x + 4

olga nikolaevna [1]

X intercept is 8
y intercept is 4

8 0

3 years ago

Which best describes the error in finding the missing length of the triangle?

Paul [167]

Answer:

24 ft

Step-by-step explanation:

a^2 + b^2 = c^2

7^2 + b^2 = 25^2

7^2 - 25^2 = -b^2

49 - 625 = -b^2

-576 = -b^2

24 = b

5 0

3 years ago

12) Add the fractions, and simplify if possible.<br><br> (y+7)/(y^2-y-12) - 2/(y^2-9)

lianna [129]

Answer:

$\dfrac{y^2+2y-13}{(y-4)(y+3)(y-3)}$

Step-by-step explanation:

Given the expression

$\dfrac{y+7}{y^2-y-12}-\dfrac{2}{y^2-9}$

First, factor each denominator:

1. $y^2-y-12=y^2-4y+3y-12=y(y-4)+3(y-4)=(y-4)(y+3)$

2. $y^2-9=(y-3)(y+3)$

Now the expression is

$\dfrac{y+7}{(y-4)(y+3)}-\dfrac{2}{(y-3)(y+3)}$

Now, multiply the first numerator by (y-3) and the second by (y-4) and write the result as a fraction with denominator $(y-4)(y+3)(y-3):$

$\dfrac{(y+7)(y-3)-2(y-4)}{(y-4)(y+3)(y-3)}=\dfrac{y^2-3y+7y-21-2y+8}{(y-4)(y+3)(y-3)}=\dfrac{y^2+2y-13}{(y-4)(y+3)(y-3)}$

This fraction cannot be simplified more.

3 0

3 years ago

Suppose a city with population 300,000 has been growing at a rate of 5% per year. If this rate continues, find the population of

Rzqust [24]

Answer:

538,757

Step-by-step explanation:

Population=(current population)*(1+rate)^(year)

Population=(300000)*(1+5/100)^12=538,756.899 or 538,757. Love from Gauthmath

5 0

3 years ago