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Hunter-Best [27]
2 years ago
11

The total number of math students and history students is 43. Find the number of students in each class if the number of history

students is 7 less than the number of math students.
Mathematics
1 answer:
olasank [31]2 years ago
8 0

Answer:

25 math 18 history

Step-by-step explanation:

Equations:

x+y=43

x-7=y

x+x-7=43

2x=50

X=25

25-7=y

y= 18

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PLEASE HELP
lukranit [14]

Answer:

Step-by-step explanation:

l = 34 cm

height = 30 cm

radius = 16 cm

surface area of cone = πr (l +r)

=3.14 *16 (34 + 16)

=50.24*50

=2512 cm^2

volume of a cone = \frac{1}{3}πr^2h

=\frac{1}{3}*3.14*16^2 *30

=1.0466*256*30

=8037.888

=8037.89 cm^3

3 0
3 years ago
Solve the following question:
qwelly [4]

Answer:

Once

Step-by-step explanation:

Whenever v(t) crosses the x axis. Not just bounce off it.

5 0
2 years ago
Which is the graph of f(x) = Square root of x?
natka813 [3]

Answer:

Third option given

Step-by-step explanation:

On a coordinate plane, a parabola opens to the right with a vertex at (0, 0).

use the following x values to plot the associated y values on the x-y plane:

If x = 0,  then y=\sqrt{0}  =0

If x = 1,  then y=\sqrt{1}  =1

If x = 4,  then y=\sqrt{4}  =2

If x = 9,  then y=\sqrt{9}  =3

Join the points and you will find a branch of a parabola opening to the right.

7 0
3 years ago
Read 2 more answers
I WILL GIVE BRAINLYEST TO RIGHT ANSWER<br> -4w - 4 =8<br> what is X equal to
Alecsey [184]

Answer:

w = -3

Step-by-step explanation:

-4w - 4 = 8

Combine the constants by adding 4 to both sides.

-4w = 12

Isolate w by dividing by -4.

w = -3

Check your work by plugging w = -3 into the original equation.

-4(-3) - 4 = 8

12 - 4 = 8

8 = 8

Your answer is correct.

8 0
3 years ago
(HELP!!!) Gustavo invests £520 for 6 years in a bank account paying simple interest. At the end of 6 years, the amount in the ba
romanna [79]
629.20/520=1.21
Powerof6V1.21= 1.0323
Rate of interest 3.23
7 0
3 years ago
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