3 years ago

How do you subtract a deciamal with different denominators?

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

7 0

Answer: decimals dont have denominators fractions do

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What is the adjacent

lesya [120]

Answer:

6 and 7

Step-by-step explanation:

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3 years ago

Simplify the radical expression.. square root of 128

Vaselesa [24]

Hello,

first we have to descompose the number:

128 | 2
64 | 2
32 | 2
16 | 2
8 | 2
4 | 2
2 | 2
1

So:
$128= 2x2x2x2x2x2x2 \\ 128=2^{6} *2$

Therefore:
$\sqrt{128}= \sqrt{2^{6} *2}$

You must know these properties:

$\sqrt{a*b} = \sqrt{a} * \sqrt{b}\\ \\ \sqrt[b]{x^a}= x^{ \frac{a}{b}}$

then:

$\sqrt{2^{6} *2} \\ =\sqrt{2^{6}}*\sqrt{2} \\ =2^{ \frac{6}{2}}*\sqrt{2} \\ =2^3*\sqrt{2} \\ \boxed{=8*\sqrt{2}}$

6 0

4 years ago

Solve the equation: x-10 - 2x + 7 = 8 + x - 10 - 3x

Minchanka [31]

Answer: If you're looking for the value of x, it's 1.

Step-by-step explanation:

Add the numbers. x-10-2x+7=8+x-10-3x--->x-3-2x=8+x-10-3x

Combine like terms. x-3-2x=8+x-10-3x ---> -x-3=8+x-10-3x

Subtract the numbers.-x-3=8+x-10-3x---> -x-3=-2+x-3x

Combine like terms. -x-3=-2+-3x---> -x-3=-2-2x

Rearrange terms. -x-3=-2-2x---> -x-3=-2x-2

Hope that helps!

4 0

3 years ago

Read 2 more answers

Help please geometry !

joja [24]

The argument is valid by the law of syllogism

3 0

3 years ago

What is the answer for this 30≤x≤60.

irina [24]

Step-by-step explanation:

if you want it on a number line put a closed circle around the 30 and draw the line till 60 and put a closed circle.

7 0

3 years ago

How do you subtract a deciamal with different denominators?​

How do you subtract a deciamal with different denominators?