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S_A_V [24]
3 years ago
13

Help for 20 points.Write the equation of the line that passes through (3, −2) and has a slope of 4 in point-slope form. (2 point

s)
 

y + 2 = 4(x − 3)

y − 3 = 4(x + 2)

x − 3 = 4(y + 2)

x + 2 = 4(y − 3)
Mathematics
1 answer:
Veronika [31]3 years ago
3 0
\bf \begin{array}{lllll}
&x_1&y_1\\
&({{ 3}}\quad ,&{{ -2}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 4
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-(-2)=4(x-3)\implies y+2=4(x-3)
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In a certain Algebra 2 class of 27 students, 18 of them play basketball and 16
Bogdan [553]

Answer:

<em>The probability is 0.89 or 89%</em>

Step-by-step explanation:

<u>Probability</u>

There are n=27 students in a certain Algebra 2 class. 18 out of them play basketball and 16 of them play baseball.

We also know 3 students play neither sport. This leaves 27-3=24 students playing sports.

The probability that a randomly chosen student plays basketball or baseball is:

\displastyle p=\frac{24}{27}

Simplifying:

\displastyle p=\frac{8}{9}=0.89

The probability is 0.89 or 89%

6 0
3 years ago
$4 is what percent of $50? Round to the nearest tenth if necessary?
Assoli18 [71]

Answer

8 %( When we round off to the neaerest tenths we get 10%)

Step-by-step explanation

4/50*100

=4*2

=8%

6 0
3 years ago
Lee's muffin mix calls for 2/3 cup of milk, 1/3 Cup of oil and 1/3 cup of sugar.Hos more milk than oil does she need for the muf
marysya [2.9K]
You has some spelling errors, im guessing this is what you ment : 

<span>Lee's muffin mix calls for 2/3 cup of milk, 1/3 Cup of oil and 1/3 cup of sugar. How much more milk than oil does she need for the muffin mix

</span><span>Answer : She needs 1/3 cup more milk than oil

to figure this out do 2/3 - 1/3 = 1/3</span>
5 0
3 years ago
if a cylinder with height 9 inches and radius r is filled with water, it can fill a certain pitcher. how many of these pitchers
dalvyx [7]

Answer:

4 pitchers

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

V=\pi r^{2}h

step 1

Find the volume of the cylinder  with height 9 inches and radius r

substitute the given values

V_1=\pi r^{2}(9)

V_1=9\pi r^{2}\ in^3

step 2

Find the volume of the cylinder  with height 9 inches and radius 2r

substitute the given values

V_2=\pi (2r)^{2}(9)

V_2=36\pi r^{2}\ in^3

step 3

we know that

The volume of the cylinder 1 can fill a certain pitcher,

so

The volume of the pitcher is the same that the volume of cylinder 1

therefore

the number of pitchers that can be filled by the second cylinder is equal to divide the volume of the second cylinder by the volume of the first cylinder

\frac{36\pi r^{2}}{9\pi r^{2}}=4\ pitchers

3 0
3 years ago
NEED HELP how to do percent of change ( 25 points to 50 points)
klemol [59]
1) 50 - 25 = 25 <<< difference and whole.
2) 25 × 100 = 2500
3) 2500 ÷ 25 = 100%
Final Answer: 100% is the percent increased not change
Also have a NICE DAY!!!! :) : D
4 0
3 years ago
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