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BARSIC [14]
3 years ago
11

Mara is 6, and her cousin Alberto is 20. in how many years will Alberto be twice as old as mara

Mathematics
1 answer:
bixtya [17]3 years ago
8 0

Answer:

8 years.

Step-by-step explanation:

Mara is 6.

6+8=14

Alberto is 20.

20+8=28

14*2=28.

In 8 years, Alberto will be twice Mara's age.

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A rectangle is 5.1 cm wide and each diagonal is 9.3 cm long. What is the measure of the angle between a diagonal and the shorter
Anastasy [175]

Answer:

56.7°

Step-by-step explanation:

A rectangle is 5.1 cm wide and each diagonal is 9.3 cm long. What is the measure of the angle between a diagonal and the shorter side of the rectangle to the nearest tenth of a degree?

We solve this question using the Trigonometric function of Sine

From the question, we are told that:

A rectangle is 5.1 cm wide

and each diagonal is 9.3 cm long.

Since we have a diagonal, this means the shape is transformed to a triangle.

The width of the rectangle = Adjacent side of a triangle = 5.1cm

The diagonal of the rectangle = Hypotenuse = 9.3cm

Hence,

cosθ = Adjacent/Hypotenuse

cosθ = 5.1/9.3

cosθ = 0.5483870968

θ = arccos(0.5483870968)

θ = 56.743568714°

Approximately = 56.7°

The measure of the angle is 56.7°

3 0
3 years ago
A person can order a new car with a choice of 6 possible colors, with or without air conditioning, with or without automatic tra
ASHA 777 [7]

Answer: 48

Step-by-step explanation:

Given : Number of choices for colors = 6

Number of choices for car with AC or without AC= 2

Number of  choices for car with or without automatic transmission=2

Number of  choices for car with or without a CD player=2

By using FUNDAMENTAL COUNTING PRINCIPLE, the number of different ways that a new car can be ordered is given by :-

6\times2\times2\times2=48

Hence, there are 48 different ways that a new car can be ordered.

7 0
4 years ago
How do you figure out this word problem: Peter has 6 sweaters, 4 pairs of jeans and 3 pairs of shoes. How many outfits can Peter
Aleksandr [31]
\underbrace{6}_{sweaters}\times\underbrace{4}_{jeans}\times\underbrace{3}_{shoes}=\underbrace{72}_{outfits}
7 0
4 years ago
Read 2 more answers
A company that accepts credit cards is charged $0.02 a transaction in
hjlf

this is money, it would <u>technically</u> be $574.20.

But we have to remember that, for your question, you also have a $0.02 Ah, precentages. <em>Gotta love 'em.</em>

<em />

Remember that when you want to find how much to take away from something (When you know the percentage that you need to take off), you have to move the decimal two spots to the left, meaning that 21% becomes .21, 4% becomes 0.04, and 112% becomes 1.12. A good way to remember this is by looking at the two dots on the percentage sign, and relating the two dots to the two spots you need to move the decimal by.

Knowing this we can now move on.

To find out how much to take away from something (E.G: 10% of 50 or 54% of 4300), we first need to move the decimal from our percentage. Once we've done that, we're almost ready. Now, we need to multiply <em>w</em> by <em>x</em> to get <em>y</em> and eventually get <em>z</em> (Where <em>w</em> is the number we need to take away from, <em>x</em> is the percentage after we had moved the decimal, and <em>y</em> is the number we need to subtract from <em>w</em> to get <em>z</em>, which is our number after the precentage has been taken out of it.

So,

<em>w</em> * <em>x</em> = <em>y</em> then <em>w</em> - <em>y</em> = <em>z</em>

580 * 0.01 = 5.8 then 580 - 5.8 = 574.2

But since this is money, remember that this can also be expressed as $574.20

<h2><u><em>BUT WAIT!!!!</em></u></h2><h3>We can't stop here, because we are trying to figure out how much gets added onto <u>the transaction</u>, <u><em>not</em></u> how much the transaction would be taxed <u>if</u> they were removed <em>y</em>.</h3>

Meaning, that the answer is actually 585.82, because 580 * 0.01 = 5.8 then 5.8 + 0.02 = 5.82 then  580 + 5.82 = 585.82 ($0.02 being the charge applied to every transaction.)

So, the answer should be $585.82

4 0
3 years ago
If your looking for 50 points + brainiest answer this question correctly plz. thanks
jonny [76]

Answer:

Option 3, 57+32=32+57

Step-by-step explanation:

Communitive Property of Addition is where the equation is the same except the numbers swap places. In this case, that would be 57+32=32+57.

If this answer has helped you, please mark this as brainliest

4 0
3 years ago
Read 2 more answers
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