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3 years ago

Help plzzzzzzzzzzzzz

Mathematics

2 answers:

kari74 [83]3 years ago

5 0

90 x 0.9 (90%) = 81 students

This means 81 students are enrolled in health.

Hope this helps :)

ELEN [110]3 years ago

5 0

Answer:

Step-by-step explanation:

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Anon25 [30]

Answer:

B is the only one i know, sorry.

Step-by-step explanation:

Hope this helped

8 0

3 years ago

Find the product -a^4(7a^5- 5a+ 5)

Nostrana [21]

$-a^4(7a^5- 5a+ 5) = - 7a^{9} +5 a^{5} -5 a^{4}$

3 0

3 years ago

Jack can swim 3 laps in 7 minutes.<br><br> At this rate, how many laps can Jack swim in 28 minutes?

Gekata [30.6K]

Jack can swim 12 laps in 28 minutes. 28 minutes is 4 times greater than the time it took him to swim 3 laps. With 28 minutes he should therefore be able to swim 4 times as many laps. 3 times 4 equals 12

8 0

3 years ago

Read 2 more answers

What is the equation of this graphed line?

barxatty [35]

Answer:

$y=-\frac{1}{3}x-5$

Step-by-step explanation:

Given:

The two points on the line are:

$(x_1,y_1)=(-6,-3)\\(x_2,y_2)=(6,-7)$

Now, for a line with two points on it, the slope of the line is given as:

$m=\frac{y_2-y_1}{x_2-x_1}$

For the points $(x_1,y_1)=(-6,-3)\ and\ (x_2,y_2)=(6,-7)$ , slope is:

$m=\frac{-7-(-3)}{6-(-6)}\\m=\frac{-7+3}{6+6}\\m=\frac{-4}{12}=-\frac{1}{3}$

Now, for a line with slope 'm' and a point $(x_1,y_1)$ on it is given as:

$y-y_1=m(x-x_1)$

Plug in all the values and determine the equation of the line. This gives,

$y-(-3)=-\frac{1}{3}(x-(-6))\\\\y+3=-\frac{1}{3}(x+6)\\\\y+3=-\frac{1}{3}x-\frac{1}{3}\times 6\\\\y+3=-\frac{1}{3}x-2\\\\y=-\frac{1}{3}x-2-3\\\\y=-\frac{1}{3}x-5$

Therefore, the equation of the line is:

$y=-\frac{1}{3}x-5$

4 0

3 years ago

Solve the inequality. Show your work. |r + 3| ≥ 7

poizon [28]

R could equal any number, but it has to be higher than 4, because 3+4=7.

7 0

3 years ago