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murzikaleks [220]
3 years ago
11

a man is now 9 times as old as his daughter. in four years time he'll be five times as old as his daughter. what are their prese

nt ages​
Mathematics
1 answer:
White raven [17]3 years ago
3 0

Answer: The father is 36 right now and the son is 4

Step-by-step explanation: 9x4 is 36 and 36/9=4.

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Solve for y. y - 4 = -3(x - 3)​
Doss [256]

Answer:

y=-3x+13

Step-by-step explanation:

y- 4 = -3(x - 3)​

y-4=-3x+9

y=-3x+13

6 0
3 years ago
Read 2 more answers
What’s the answer y’all
Ilia_Sergeevich [38]

Answer:

C

Step-by-step explanation:

If you add all of the numbers together and divide by the total (15) you would get 11.333

(7+8+8+9+11+11+12+12+12+12+12+13+14+14+15) divided by 15 equals 11.3333

7 0
3 years ago
The side lengths of a right triangle are 18 cm, 24 cm, and 30 cm. You are asked to find the area of the triangle by using A = 1/
vekshin1

Answer:

1. Use the Adjacent and opposite side (Ignore the Hypotenuse)

Or use HERO'S FORMULA based on the information given

2. Area = 216cm^2

Step-by-step explanation:

There are three to four ways we can go about finding the area of a triangle. And a these would be dependent on the information given about the triangle.

From the question, you said the three side lengths are given. In such case, we employ the HERO FORMULA.

HERO FORMULA:

Area = √ s(s-a)(s-b)(s-c)

where s = 1/2(a + b + c)

a, b, c are the three sides

But since the question insisted that we use 1/2* base * height. Let's use our know of right angle to dissolve that.

A right angle triangle has three sides. The longest is always the Hypotenuse.

Let's take it this way.

Hypotenuse = 30cm

Opposite= 18cm

Adjacent = 24cm

Area = 1/2 * base * height

Area = 1/2 * 18 * 24

Area = 1/2 * 432

Area = 216cm^2

We ignored the longest side, (the Hypotenuse)

6 0
3 years ago
There are 52 cards in a deck. There are 4 eights and 4 nines. What is the probability that if you cut the deck, you'll get an ei
Sever21 [200]
There is a 3.25% chance the card will either be an 8 or a 9. Hope this helps. :)
7 0
3 years ago
A brother and sister attend the same school, and they walk from home to school using the same route. It takes the brother 24 min
madam [21]

Answer:

No

Step-by-step explanation:

24 - 3 = 21 minutes

21 > 18

5 0
3 years ago
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