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Rufina [12.5K]
3 years ago
10

What does this even mean??? 42x=7

Mathematics
2 answers:
e-lub [12.9K]3 years ago
6 0
It means that you need to divide 42 on both sides
42x/42=7/42
0.166.....
Lady bird [3.3K]3 years ago
3 0
It means that something times 42 equals 7. If you have to find the value of x then you would have x=0.16666 repeating or 1/6
Divide 42 on both sides
42x/42 will cancel out leaving x
x=7/42
x=0.16666 or 1/6
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PLEASE HELP URGENT WILL GIVE BRAINLIEST
Vadim26 [7]
The answer is 2.3716 have a great day y’all
4 0
3 years ago
Y=-(5)^2=-100 how do I do that
Leona [35]
All you have to use is pemdas and keep y by itself
7 0
4 years ago
How do we solve this problem?
MaRussiya [10]
To solve the problem you must find the area of every square. For F one of the squares has a side length of 3 and because this is a square the other sides are also 3. To find the area we multiply two of the sides so 3 times 3 is 9
You do this with both the other squares
3*3=9
4*4=16
The area of the large square is given as 25
So 9+16=25 which means this is not the correct answer

H.
9*9=81
Given as 144
The area of the large square is 21*21 which is 441
144+81= 225
So because the two small squares DO NOT equal the area of the large square this is the correct answer.
5 0
3 years ago
The figure below is a square. Find the length of side x in simplest radical form with a rational denominator.
Mashcka [7]

Answer:

\frac{\sqrt{10}}{2}

Step-by-step explanation:

The diagonal forms two 45-45-90 triangles, with the diagonal being the hypotenuse of both. The Pythagorean Theorem states that a^2+b^2=c^2, where c is the hypotenuse of the triangle, and a and b are the two legs of the triangle.

From the Isosceles Base Theorem, the two legs of a 45-45-90 triangle are always equal. Since we're given a diagonal of \sqrt{5}, we have:

x^2+x^2=\sqrt{5}^2,\\2x^2=5,\\x^2=\frac{5}{2},\\x=\sqrt{\frac{5}{2}}=\frac{\sqrt{5}}{\sqrt{2}}=\frac{\sqrt{5}}{\sqrt{2}}\cdot \frac{\sqrt{2}}{\sqrt{2}}=\boxed{\frac{\sqrt{10}}{2}}

7 0
3 years ago
How do I do it? I didn't understand the math.
Setler [38]

Answer:

please try do the rest by yourself..Of you didn't get the answer you can ask me through comment..

8 0
3 years ago
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