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3 years ago

Write a subtraction fact with the same different as 16-9

Mathematics

1 answer:

aleksklad [387]3 years ago

6 0

If you mean same difference (outcome) of 16-9 (7) you could do any numbers that subtract and get 7 like 8-1 or 100-93,

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The net of a cube is shown. If the length of each edge of the cube is 10 cm, find the surface area of the cube.

Digiron [165]

Answer:The surface area of the cube is 100 cm.

Step-by-step explanation:

So since a cube has six faces and all of its lengths are equal. we could use the equation.

10^2 *6= 100 *6= 600

3 0

3 years ago

Find highest common factor 12 & 20

eimsori [14]

It's 4. The factors of 12 are: 1,2,3,4,6,12. The factors of 20 are: 1,2,4,5,10,20.

5 0

3 years ago

Read 2 more answers

Which one is bigger 10/10 or 6/6

nasty-shy [4]

Answer:

Both are <u>equal</u> to each other.

Step-by-step explanation:

$\frac{10}{10} = 1$

$\frac{6}{6} = 1$

7 0

3 years ago

Read 2 more answers

I need help it's so confusing!

jasenka [17]

Try looking up the answer

5 0

3 years ago

3+-√(-3)^2 - 4(5)(-1)

Alona [7]

Answer:

Step-by-step explanation:

Easy way to do this is step by step. Your quadratic, from your entry, must be

$5x^2-3x-1$ .

Step by step looks like this, one thing at a time:

$x=\frac{3+\sqrt{(-3)^2-4(5)(-1)} }{2(5)}$ becomes

$x=\frac{3+\sqrt{9-(-20)} }{10}$ becomes

$x=\frac{3+\sqrt{9+20} }{10}$

and this of course is

$x=\frac{3+\sqrt{29} }{10}$

Do the same with the subtraction sign to get the other solution.

If you're unsure of how to enter it into your calculator, do it step by step so you don't mess up the sign. If you enter it incorrectly, you could end up with an imaginary number when it should be real, or a real one that should be imaginary.

Just my advice as a high school math teacher.

3 0

3 years ago