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2 years ago

I am stuck on this question it was can you add 4+2x to get 6x

Mathematics

1 answer:

Fed [463]2 years ago

5 0

Answer:

No you can't.

Step-by-step explanation:

4 is an integer, and 2x isn't so you can't add them together. If 4 was 4x or 2x was 2, then you'd get 6, but you can't add them. Hope this helps :)

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About how many grams of a 500 g sample of technetium-99 is left after 2 days

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Answer:

Step-by-step explanation:

1.95 g

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2 years ago

if the sum of two numbers is four and the sum of their squares minus three times their product is 76, find the numbers

Sauron [17]

Answer:

Numbers =(6,-2 )

Step-by step explanation:

Given

the sum of two numbers is four and the sum of their squares minus three times their product is 76,

Let the first term =X

Second term will be=4-x

X^2+(4-x)^2-3x(4-x)=76

x^2+16+x^2-8x-12x+3x^2=76

5x^2-20x+16=76

5x^2-20x-60=0

5(x^2-4x-12)=0

So x^2-4x-12=0

x^2-(6-2)x-12=0

x^2-6x+2x-12=0

X(x-6)+2(x-6)=0

(X-6)(X+2)=0

X=6,-2

Let X=6 and -2 then numbers will be 6 and (4-6)=-2

6 0

2 years ago

The distance between earth and moon is 384000000 m. this distance can be expressed as ____m

zalisa [80]

This distance can be expressed as 3.84× $10^{8}$ m.

What is distance with example?

Distance is a scalar quantity.
The distance of an object can be defined as the complete path travelled by an object.

Given the distance between the earth and the moon is 384000km

Representing in exponential notation,

=384000×1000m [∵1km=1000m]

=384× $10^{6}$ m

=3.84× $10^{8}$ m

Learn more about distance

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<u>The correct question is -</u>

The distance between the Earth and the moon is approximately 384000 km. this distance can be expressed as ____m.

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1 year ago

Find the area of a diameter of 200 ft. What is the radius?

Alecsey [184]

Your answer is 100ft. This is because to find the radius when you already know the diameter you have to divide the diameter by 2.

4 0

2 years ago

(a) Solve the following formula for b.<br>A= 1÷2ab please!!!<br>

Anvisha [2.4K]

Answer:

Step-by-step explanation:

a = 1/2ab

~Divide 1/2a to both sides

2 = b

Best of Luck!

3 0

2 years ago

Read 2 more answers