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aniked [119]
3 years ago
9

Pls help

Mathematics
1 answer:
RideAnS [48]3 years ago
5 0

Answer:

40 years old

16 years old

Step-by-step explanation:

Son = 8 years old

his father is five times as old.

Father = 5 × 8

= 40 years

How old will the father be when he will be twice as old as his son?

Father = 2 × 8

= 16 years

Father:

Five times as old as son = 40 years old

Twice as old as his son = 16 years old

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El radio de la base de un cono mide 3 cm y su altura es de 5 cm. ¿Cuál es el volumen del cono?
gogolik [260]

Answer:

47.12cm³

Step-by-step explanation:

6 0
3 years ago
Use the following sets to answer the question.A= {3,4, 5, 8}B = {5, 6, 7, 8, 9}Which answer shows the union of sets A and B?O{4,
Strike441 [17]

lets remember what is an union

the union is a set that contains both elements that are in set A and B

{3,4,5,6,7,8,9}

your second choice

6 0
11 months ago
Figure A maps to figure B with a scale factor of 0.25​
Naddik [55]

Answer:

x would be 6

Step-by-step explanation:

This is becuase since the scale factor from Fig A to B is 0.25, the length of all of the sides follows this rule.

Since x on Fig A and 1.5 on Fig B are corresponding sides, you can do:

x * 0.25 = 1.5

x * 0.25 <em>(4)</em> = 1.5 <em>(4)</em>

x * 1 =6

x = 6

3 0
2 years ago
There are 35 competitors in a marathon. Sixty percent of these finished the race in under four hrs. How many did not?
Nikitich [7]

Answer:

14 did not finish under 4 hours.

Step-by-step explanation:

Givens

Total number of competitors = 35

% who finish under 4 hours = 60%

Formula

Those who did not = 35 - 60%*35

Solution

Those who did finish under 4 hours = 35 * 60%

Those who did finish under 4 hours = 35*60/100 = 2100/100

Those who did finish under 4 hours = 21

Those who did not = 35 - 35*60/100

Those who did not = 35 - 21

Those who did not = 14

====================

There is another way to do this. Realize that 40% did not finish the race in under 4 hours.

Those who did not finish in under 4 hours = 35*40/100 = 1400 / 100 = 14

7 0
3 years ago
Which of the following is equivalent to the expression below? 7-20 O A. -5lſ O B. 2125 O c. 5iſ OD. -215​
soldier1979 [14.2K]

Answer:

it is B

Step-by-step explanation:

i just did it

5 0
2 years ago
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