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3 years ago

The table below shows the number of students who attend various after-school activities.

2 answers:

7 0

The answer is 19:95. There are 19 students in the Spanish club and 95 students in total. You must place it in the order it asks you, first the Spanish club students and then the total number of students.

mariarad [96]3 years ago

6 0

The answer is 19:95

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What is the solution to he equation (y/y-4)-(4/y+4)=3^2/y^2-16

kicyunya [14]

Answer:

$y=\pm i \sqrt{7}$

Step-by-step explanation:

Given equation is $\frac{y}{\left(y-4\right)}-\frac{4}{\left(y+4\right)}=\frac{3^2}{(y^2-16)}$

Factor denominators then solve by making denominators equal

$\frac{y}{\left(y-4\right)}-\frac{4}{\left(y+4\right)}=\frac{3^2}{(y^2-16)}$

$\frac{y}{\left(y-4\right)}-\frac{4}{\left(y+4\right)}=\frac{9}{(y+4)\left(y-4\right)}$

$\frac{y\left(y+4\right)-4\left(y-4\right)}{\left(y-4\right)\left(y+4\right)}=\frac{9}{(y+4)\left(y-4\right)}$

$y\left(y+4\right)-4\left(y-4\right)=9$

$y^2+4y-4y+16=9$

$y^2=9-16$

$y^2=-7$

take squar root of both sides

$y=\pm \sqrt{-7}$

$y=\pm i \sqrt{7}$

Hence final answer is $y=\pm i \sqrt{7}$ .

7 0

4 years ago

I need help school in 5 min

Sonbull [250]

The photo is upside down....

3 0

3 years ago

Find the area of the circle with a circumference of 50.24 units help me plz

swat32

Circumference of a circle=diameter times pi

50.24=d(3.14)
d=16

radius is half of diameter so radius is 8

Area of a circle=pi(r^2)

(3.14)(8^2)=(3.14)(64)=200.96

4 0

3 years ago

The lengths of three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. 6,9,7

katrin2010 [14]

Answer : acute
Right triangle : a^2+b^2=c^2
Acute triangle : a^2+b^2 > c^2
Obtuse triangle:a^2+b^2 < c^2
6^2+7^2 > 9^2

7 0

3 years ago

What is the domain of h?

Alexandra [31]

Answer:

{-2, -1, 1, 5, 6}

Step-by-step explanation:

The domain includes the five x-values (inputs): {-2, -1, 1, 5, 6}

8 0

4 years ago