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Oduvanchick [21]
2 years ago
12

there are 120 members in a Scout group, 25% of the members are Beavers, 30% are Cubs and the remainder are scouts. 18 of the Bea

vers are female, of the cubs are female and 24 of the scouts are male. a) Copy and complete the frequency tree b) How many male cubs are there? c) How many females are there? d) What is the probability that a randomly chosen member is a male Scout?​
Mathematics
1 answer:
nadya68 [22]2 years ago
8 0
There will be 28 percent and I will send it back in time for you
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Jack said that if you take a number and multiply it by a fraction, the product will always be smaller than what you started with
ELEN [110]

Answer:

Is not correct. The product not always will be smaller.

Step-by-step explanation:

A fraction could increase a number if you multiply it.  

If the numerator is higher to the  denominator,  it will increase it.  

If the numerator is smaller to the  denominator,  it will decrease it.

<u>For example,</u>

10 x 4/3

For fraction multiplication, multiply the numerators and then multiply the denominators to get

10×4/1×3=40/3= 13,33

13,33 is higher than 10.

5 x 10/3

For fraction multiplication, multiply the numerators and then multiply the denominators to get

5×10/1×3=50/3

16,66 is higher than 5.

5 0
3 years ago
Can anyone explain how to awnser -72/7 × -48/11?
kkurt [141]
Maybe search up Algebra calculator and type in the equation? idk
8 0
3 years ago
Find the marginal and average revenue functions associated with the demand function P= -0.3Q + 221
LekaFEV [45]

Answer:

Marginal revenue = R'(Q) = -0.6 Q + 221

Average revenue = -0.3 Q + 221

Step-by-step explanation:

As per the question,

Functions associated with the demand function P= -0.3 Q + 221, where Q is the demand.

Now,

As we know that the,

Marginal revenue is the derivative of the revenue function, R(x), which is equals the number of items sold,

Therefore,

R(Q) = Q × ( -0.3Q + 221) = -0.3 Q² + 221 Q

∴ Marginal revenue = R'(Q) = -0.6 Q + 221

Now,

Average revenue (AR) is defined as the ratio of the total revenue by the number of units sold that is revenue per unit of output sold.

Average\ revenue\ = \frac{Total\ revenue}{number\ of\ units\ sold}

Where Total Revenue (TR) equals quantity of output multiplied by price per unit.

TR = Price (P) × Total output (Q) = (-0.3Q + 221) × Q = -0.3 Q² + 221 Q

Average\ revenue\ = \frac{TR}{Q}

Average\ revenue\ = \frac{-0.3Q^{2}+221Q}{Q}

∴ Average revenue = -0.3Q + 221

5 0
3 years ago
Is 93.6 ÷ by 17 =5.55 to the nearest hundredths
Marina CMI [18]

Answer:

5.55

is already rounded to the nearest thousandth.

Step-by-step explanation:


5 0
3 years ago
7 1/5 - 6 2/5= <br> a. 1 1/5<br> b. 1 4/5<br> c. 13 3/5<br> d. 4/5
stira [4]

Answer:

4/5

Step-by-step explanation:

Simplify the following:

7 + 1/5 - (6 + 2/5)

Put 6 + 2/5 over the common denominator 5. 6 + 2/5 = (5×6)/5 + 2/5:

7 + 1/5 - (5×6)/5 + 2/5

5×6 = 30:

7 + 1/5 - (30/5 + 2/5)

30/5 + 2/5 = (30 + 2)/5:

7 + 1/5 - (30 + 2)/5

30 + 2 = 32:

7 + 1/5 - 32/5

Put 7 + 1/5 - 32/5 over the common denominator 5. 7 + 1/5 - 32/5 = (5×7)/5 + 1/5 - 32/5:

(5×7)/5 + 1/5 - 32/5

5×7 = 35:

35/5 + 1/5 - 32/5

35/5 + 1/5 - 32/5 = (35 + 1 - 32)/5:

(35 + 1 - 32)/5

35 + 1 = 36:

(36 - 32)/5

| 3 | 6

- | 3 | 2

| 0 | 4:

Answer:  4/5

8 0
3 years ago
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