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ikadub [295]
3 years ago
13

A population of 7,890 tulips is being studied. A sample of 500 tulips is used, and 479 of them are a solid color. How many of th

e entire population should be a solid color? Choose the correct proportion to determine the answer.
a) 479/7890 = X/500

b) X x 7,890 = 479 x 500

c) X/7,890 = 479/500

d) 7,890/X = 479/500
Mathematics
1 answer:
saul85 [17]3 years ago
5 0

Answer:

C

Step-by-step explanation:

hope this helps :)

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The cost of fan is 2 times more than the cost of a radio and the cost of a radio is 2 times more than the cost of a watch If the
o-na [289]

Answer:

watch cost is 250

radio cost is 500

and fan cost is 1000

4 0
3 years ago
The members of a singing group agree to buy at least 250 tickets for a concert. The group buys 20 fewer lawn tickets than balcon
sveta [45]

Answer:

Members of Singing group will buy minimum 135 number of balcony tickets.

Step-by-step explanation:

Given:

Minimum of tickets will be bought =250

Let number of lawn tickets be 'l'.

Also Let number of balcony tickets be 'b'

Now given

The group buys 20 fewer lawn tickets than balcony tickets.

Framing in equation form we get;

l=b-20

Now The Sum of Number of balcony tickets and Number of lawn tickets should be greater than or equal to Minimum of tickets will be bought by the group.

Framing in equation form we get;

l+b\geq 250

Now substituting the value of 'l' in above equation we get;

(b-20)+b\geq 250\\\\b-20+b\geq 250\\\\2b-20\geq 250\\\\2b\geq 250+20\\\\2b\geq 270\\\\b\geq \frac{270}{2}\\\\b\geq 135

Now we know the value of b which is 135 we will substitute in equation l=b-20 to find the value of l we get;

l=135-20 = 115

Hence Members of singing group will buy minimum 135 number of balcony tickets.

6 0
4 years ago
8. Find the zero of (write just the number, If there is no zero, write "none") <br> f(x) = 15 -x
svetlana [45]

Answer:

15

Step-by-step explanation:

4 0
4 years ago
Find the volume of the cone.
Murrr4er [49]

\qquad\qquad\huge\underline{{\sf Answer}}♨

Volume of cone :

\qquad \sf  \dashrightarrow \: \frac{1}{3}   \pi{r}^{2} h

Now, let's plug in the values as per the diagram ~

\qquad \sf  \dashrightarrow \: \frac{1}{3}    \times 3.14 \times {(18)}^{2}  \times 10

\qquad \sf  \dashrightarrow \: \frac{1}{3}    \times 31.4 \times 324

\qquad \sf  \dashrightarrow \:   31.4 \times108

\qquad \sf  \dashrightarrow \:3391.2 \:  \: ft {}^{3}

7 0
2 years ago
The distance around the school track is 1/4 Mile how many times around the track does Cheryl need to run in order to run 1 mile
Natali5045456 [20]

Answer:

4 rounds

Step-by-step explanation:

Because the distance around the school track is 1/4 mile, to achieve 1 mile or can also be written as 4/4 mile, he will have to run in total of:

1 / 1/4

= 1*4/1

= 4 rounds

Hope this help you :3

8 0
3 years ago
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