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4 years ago

11

Help me in algebra please I need it done 100% correct only :(

1 answer:

maw [93]4 years ago

5 0

A. Addition and subtraction are opposites.
b. A number line shows where numbers are in relation to each other. It shows that 0 and 100 are farther apart than 0 and 10.
c. If the number is less than 0 or greater than 0. Less than 0 is negative and greater than 0 is positive.

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The area of a triangular roof section with a base of 7 feet and a height of 3.5 is

trasher [3.6K]

C 12.5 because you do 7*3.5/2

8 0

4 years ago

A human hair has width of about 6.5 x 10^-5 meter. What is this width written in standard notation

AnnyKZ [126]

Answer:

0.000065 m

Step-by-step explanation:

6.5 × $10^{-5}$ = $0.000065$

Hope this helps

8 0

2 years ago

What is the equation of a line that has a slope of -2/3 and a x-intercept of -3?

garri49 [273]

For this case we have that, by definition, the equation of a line in the slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cutting point with the y axis

We have, according to the statement data that:

$m = - \frac {2} {3}$

So, the equation is of the form:

$y = - \frac {2} {3} x + b$

We also have that the line intersects the "x" axis at -3, that is, the line passes through the point $(x, y): (- 3,0)$

We substitute to find "b":

$0 = -\frac {2} {3} (- 3) + b\\0 = -2 + b\\b = 2$

Finally, the equation is of the form:

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

Answer:

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

6 0

3 years ago

Simplify the expression by combining like terms<br>14g-6-13g-7

frozen [14]

Answer:

g-13

Step-by-step explanation:

subtract 14g from 13 making it g and add 6+7

Hope this helps :P

7 0

3 years ago

Read 2 more answers

Y=fx) = 8x<br> Find f(x) when x = 1/3<br> Enter the correct answer.

solniwko [45]

Answer:

$f(3)=2\frac{2}{3}$

Step-by-step explanation:

$f(x)=8x\\f(3)=8(\frac{1}{3})\\f(3)=\frac{8}{3} \\f(3)=2\frac{2}{3}$

Hope this helps!

4 0

4 years ago