3 years ago

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Mathematics

2 answers:

Over [174]3 years ago

8 0

Thank you so much for the points

Have a great day/night

Pavel [41]3 years ago

5 0

...??????????? Okkkkkkk

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The industrial and agricultural revolutions resulted in a decline in __________.

S_A_V [24]

The answer is subsistence farming you welcome

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3 years ago

There are 99 males and 121 females participating in a marathon. What percent of the participants are female?

ioda

To do this, we first want to see how many participants there are in total by adding both males and females.

$99+121=220$

Now we know that there were 220 total participants, but only 121 were females.

This allows us to set up the fraction 121/220= the percent female.

$\frac{121}{220} =0.55$

or 55%

8 0

3 years ago

(50 points + Brainliest for RIGHT answer).

ycow [4]

(-2, 0) and (0, -2)
slope = (0+2)/(-2 - 0) = -1
b = -2

slope intercept equation
y = -x - 2

compare equation from given
y - 3 = -(x + 5)
y - 3 = -x - 5
y = -x - 5 + 3
y = -x - 2 (matched slope intercept equation)

answer is A
y - 3 = -(x + 5)

5 0

4 years ago

Read 2 more answers

You might need: y 3+ 2+ 1+ 2 -4 -3 -2 -1 1 2. -1 -27 -3

xenn [34]

Answer:

-36

Step-by-step explanation:

3+2+1+2=8-4-3=1-2=-1-1=-2x1x2=-4-1=-5-27=-33-3=-36

7 0

3 years ago

Solve the Quadratic Equation By Completing the Square b^2-15b-54=0

vladimir1956 [14]

$b^{2}-15b-54=0. \newline
b^{2}-15b=54. \newline
b^{2}-15b+(\frac{15}{2})^{2}=54+(\frac{15}{2})^{2}. \newline
(b-\frac{15}{2})^{2}=\frac{441}{4}. \newline
b-\frac{15}{2}=\pm\frac{21}{2}. \newline
b=\pm\frac{21}{2}+\frac{15}{2}. \newline
b_1 = -3, b_2 = 18.$

3 0

3 years ago