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Alexxx [7]
3 years ago
11

-5 = x divided by 2.4

Mathematics
1 answer:
snow_tiger [21]3 years ago
5 0

Answer:

x=12

Step-by-step explanation:

-5= x/2.4

multiply both sides by 2.4 to isolate x

-5*2.4= (x/2.4)*2.4

12=x

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In △ABD, altitude AC¯¯¯¯¯ intersects the right angle of triangle ABD ​ at vertex A. BC=2.3 in. and CD=5.7 in..
Sholpan [36]

Answer:

3.62

Step-by-step explanation:

AC=\sqrt{(CD)(BC)}

AC= \sqrt{2.3 * 5.7}

AC = \sqrt{13.11}

AC= 3.62

4 0
3 years ago
How can we find out the area of a sphere? explain in brief​
USPshnik [31]

Step-by-step explanation:

Basically the area of sphere is 4πr² where r is radius whose value is distance from centre to the edge of the given sphere whereas π (pi) whose value is 3.14 or 22/7. It is defined as the ratio between circle's circumference and it's diameter. But are you aware about the area of circle?? Actually that is πr². If you notice carefully you'll find that area of sphere is 4 times the area of circle. So, if you're provided with the area of circle you can simply multiply the value with 4 to get the area of sphere. But if not, then simply plugin the value of radius and pi in 4πr² to find out the area of sphere.

But since the formula is almost same then how they're different? Well the difference between a sphere and a circle is because of two-dimensional and three-dimensional shape. A circle is a two-dimensional flat shape figure whereas a sphere is a three-dimensional shape.

Talking about the unit of sphere. The unit we use is always the same as the units of radius i.e. cm or m. Since, it is the square of the radius in the given formula, then the unit is also the square of the units, or cm² or m².

6 0
2 years ago
Read 2 more answers
Wendy has only nickels and dimes in her pocket. The number of dimes is 8 less than triple the number of nickels. Let n represent
Svetradugi [14.3K]

Answer:

The number of dimes is 3n - 8

Step-by-step explanation:

Here, we are interested in writing an expression for the number of dimes.

We proceed as follows;

Now, there are n nickels with the number of dimes been 8 less than 3 times the number of nickels

That would be;

3(n) -8 = 3n -8

3 0
3 years ago
study the diagram of circle K where JL and LM are tangent to circle K at points J and M respectively. Also JL=3x+10 and ML =7x-6
Verdich [7]

Answer:

22

Step-by-step explanation:

The answer is 22. You solve the equation 3x+10=7x-6 like so

3x+10=7x-6

-3     = -3

    10= 4x-6

   +6         +6

     16=4x

      x=4

You then plug in the value of x to the equation for LM.

7x-6 becomes 7*4-6 which is 22.

7 0
4 years ago
8 liters is the same as how many gallons? round anwer to the nearst tenth
Alexandra [31]

Answer:

3.785, but rounded to the nearest tenth is 3.8

Step-by-step explanation:

Hope this helps!

4 0
3 years ago
Read 2 more answers
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