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Zepler [3.9K]
2 years ago
15

The Biology Club has 45 members, 35 girls and 10 boys. What is the ratio of

Mathematics
2 answers:
Dafna1 [17]2 years ago
6 0
They gave you the andwerrrreererreeeeeeeeerrrrr
Nezavi [6.7K]2 years ago
5 0
A: 7:2
35/7=5
10/2=5
the others don’t equal the same thing
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Which of the following functions has an inverse that is not a function?
Rainbow [258]

Answer:

f(x) = x(x - 1)

Step-by-step explanation:

The inverse of a quadratic function is not a function.

4 0
2 years ago
A shirt retails for $22.40. A 10% tax is then applied to the original. What’s the final price after tax?
IrinaK [193]

<em>Answer:</em>

24.64

<em>Method:</em>

You get 10% of the shirt cost, and it on to the 22.40

6 0
3 years ago
0.45 plus 9x equals 27
oee [108]

Answer:

x = 2.95

Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

0.45 plus 9x equals 27

0.45 + 9x = 27

<u>Step 2:  Solve for x</u>

0.45 + 9x - 0.45 = 27 - 0.45

9x / 9 = 26.55 / 9

x = 2.95

Answer:  x = 2.95

7 0
3 years ago
Read 2 more answers
A local kids play sold 8 adult tickets and 9 child tickets for a total of $205. On day two they sold only 4 adult tickets and 3
Naya [18.7K]

Answer:

The price of 1 adult ticket is $ 11 and price of 1 child ticket is $13

Step-by-step explanation:

Let x be the cost of 1 adult ticket

Let y be the cost of 1 child ticket

Cost of 8 adult tickets = 8x

Cost of 9 child tickets = 9y

We are given that A local kids play sold 8 adult tickets and 9 child tickets for a total of $205

So, 8x+9y=205 ----- 1

Cost of 4 adult tickets = 4x

Cost of 3 child tickets = 3y

We are given that 4 adult tickets and 3 child tickets for a total of $83.

4x+3y=83 ----2

Plot 1 and 2 on graph

8x+9y=205  -- Red line

4x+3y=83  -- Blue line

Intersection point provides the solution

So, Intersection point =(11,13)

So, The price of 1 adult ticket is $ 11 and price of 1 child ticket is $13

4 0
3 years ago
A father's age is thrice the sum of the ages of his two children. After five years, his age will be
jenyasd209 [6]

Answer: 45 years old

Step-by-step explanation:

<u>Given:</u>

- Father's age is thrice the sum of ages of his two children

- After five years, his age will be twice the sum of their ages

Let x be the two children's current age and 3x be the father's current age

<u>Solve:</u>

Set equation

3x + 5 = 2 ( x + 10 )

Expand parenthesis

3x + 5 = 2x + 20

Subtract 5 on both sides

3x + 5 - 5 = 2x + 20 - 5

3x = 2x + 15

Subtract 2x on both sides

3x - 2x = 15

x = 15

15 × 3 = 45 years old

Hope this helps!! :)

Please let me know if you have any questions

4 0
2 years ago
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