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svet-max [94.6K]
2 years ago
12

Write a rate for the problem and solve it. Show your work and explain your thinking. A radio station requires DJs to play 2 comm

ercials for every 10 songs they play. What is the unit rate of songs to commercials?
Mathematics
1 answer:
Alenkasestr [34]2 years ago
8 0

Answer:

a certain number that i do not know

Step-by-step explanation:

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What is the value of x?
Sergeeva-Olga [200]

Answer:

x=9

Step-by-step explanation:

hello :

use thales- rul :

(3x-20)/56 =9/72

(3x-20)72= 9×56

3x-20 =9×56/72

3x-20 =7

3x=27

x=27/3

x=9

4 0
3 years ago
Surface Area of a Triangular Pyramid, please help!
8090 [49]

Answer:

surface area of the triangular pyramid

=(1/2×9×7.8)+(3×1/2×9×12.3)

=35.1+166.05

=201.15 inch²

5 0
2 years ago
There is a bag filled with 2 blue, 4 red and 3 green marbles.
Lyrx [107]

Answer:

.753

Step-by-step explanation:

Let Ps = probability both marbles are the same color.

Let Pd = probability both marbles are a different color.

Pd = 1 -Ps

Let Pb = probability both marbles are blue

Let Pr = probability both marbles are red.

Let Pg = probability both marbles are green

Pb= 2/9 * 1/9 = 2/81

Pr= 4/9 * 3/9 = 12/81

Pg=.3/9 * 2/9= 6/81

Ps = Pb + Pr +Pg= 20/81

Pd =1-Ps= 61/81 = .753

Is this correct?

7 0
2 years ago
Adrian eats 7 fries for every chicken finger on his plate. If there are 4 chicken fingers on his plate, how many fries will he e
ch4aika [34]
Hello!

We must use muliplication to solve this question because when we multiply the amount chickens Adrian eats by the amount of fries he eats, it will result in the answer.

7 fries × 4 chickens = 28 Fries

So, Adrian will eat 28 fries.
5 0
3 years ago
Read 2 more answers
Pre college need withh
beks73 [17]

Answer:

Step-by-step explanation:

f(9) = |9 + 9| = |18| = 18

f(-4) = |-4 + 9| = |5| = 5

f(0) = |0 + 9| = |9| = 9

pretty boring examples as you're always taking the absolute value of a positive number.

what do you suppose f(-12) is???

f(-12) = |-12 + 9| = |-3| = 3

8 0
2 years ago
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