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lapo4ka [179]
3 years ago
8

Pleaseplease help me

Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0

Answer:

1,4

Step-by-step explanation:

The anwser is 1,4

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The area of a square is 49 square meters. How long is each side?
Artemon [7]

A square has 4 equal sides, which means when you need to work out the area, you're doing length × width, but the length and width are exactly the same, because it's a square (look at the picture if you don't understand this).

That means you just have to pick any side (let's call this side x), and multiply it by another side of the square. Now, because all of the sides are equal, you're doing x multiplied by x, which is the same as x².

Therefore, if the area is equal to x², and in this question, it's also equal to 49 (as stated in the question), we can equate them to each other:

x² = 49

Now to get the x by itself, we need to do the opposite of squaring, which is square rooting. Therefore, we square root both sides of the equation:

√x² = √49

The √ and the ² cancel out, so you're just left with x:

x = √49

The square root of 49 is just 7, so we can replace √49 with 7, and we get:

x = 7

Now remember, earlier, I called x the value of one side. Therefore, by remembering that, you know that the value of one side is equal to 7. And because all the sides are the same as each other, each side is equal to 7 metres.

Therefore, your final answer is 7 metres :)

3 0
3 years ago
FOR 20 POINTS r(x)=−7x−3 and q(x)=r(−3x).
alexandr1967 [171]

Answer:

last one

Step-by-step explanation:

4 0
2 years ago
Karen drew triangle with said length 3centimeters
pochemuha
What’s the question ?
6 0
3 years ago
What are equivalent to2x+4
lakkis [162]

Answer:

3x + 3, 4x+2, 5x+1

Step-by-step explanation:

what are equivalent to2x+4

4 0
3 years ago
A park has two biking trails. Tailand Trail is 5 3/10 long. Mayland Trail is 2 4/5 miles long. How much longer is Tailand Trail
zvonat [6]

Answer: 2 1/2 miles

Step-by-step explanation:

To subtract fractions with different denominators (in this problem they are 10 and 5), you have to find the least common denominator or LCD (10). Then you have to multiply the numerator and the denominator of 4/5 by 2 to turn the denominator into the LCD (10).

1. So 2 4/5 turns into 2 8/10

2. Then subtract 2 8/10 from 5 3/10 to get the answer 2 1/2

6 0
2 years ago
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