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vodomira [7]
3 years ago
12

Alex’s father is 5 times older than Alex and Alex is twice as old as his brother nick who is 5 years old how old is Alex’s fathe

r
Mathematics
1 answer:
12345 [234]3 years ago
5 0

Answer:

Alex's Father is 50

Step-by-step explanation:

If nick is 5 and Alex is twice as old as Nick then Alex must be 10

Because 5 times 2 is 10

And if Alex is 10 and his father is 5 times older than him than his father is 50

5x2=10

10x5=50

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gayaneshka [121]
5.75 I THINK I’m not sure
8 0
3 years ago
A grocery store is selling 12 bananas for $2.40 at this rate what is the cost of 15 bananas
lorasvet [3.4K]
C. $3.00
To find how many bananas you get for a dollar, do 12/2.4 to get 5 bananas per dollar. Since you want to find how much it costs for 15 bananas, you'll do 15/5, which gives you $3

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3 0
3 years ago
A is inversely proportional to b. If a=7.2 when b=-4, what will a equal when b=6?
Tpy6a [65]

Answer:

<h2>a = - 4.8</h2>

Step-by-step explanation:

To find the value of a when b=6 we must first find the relationship between them.

The statement

a is inversely proportional to b is written as

a \:  \:  \alpha  \:  \:  \frac{k}{b}

where k is the constant of proportionality

When a = 7.2 , b = -4

So we have

7.2=  \frac{k}{ - 4}

k = 7.2 × - 4

k = - 28.8

So the formula for the variation is

a =  -  \frac{28.8}{b}

When

b = 6

That's

a =  -  \frac{28.8}{6}

We have the final answer as

<h3>a = - 4.8</h3>

Hope this helps you

7 0
3 years ago
Find the measure of angle A.<br><br> 71° x+49<br> +72
slega [8]

Answer: 66 degrees

Step-by-step explanation:

Sum of the angle measures is 180, so:

71 + x + 49 + x + 72 = 180

2x + 192 = 180

2x = -12

x = -6

Meaning the measure of angle A = -6 + 72 = 66 deg.

5 0
2 years ago
Carla needs 8 inches of ribbon for each craft she makes. What is the greatest number of crafts Carla can make using 30 feet of r
Contact [7]
Well 30x12in is 360in. 360in divided by 8 is 45. She can make 45 crafts
7 0
2 years ago
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