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2 years ago

Best definition combining like terms

1 answer:

7 0

<span>A letter that holds the place for some unknown value in mathematics VARIABLE A process where you must look for terms that have identical variable parts and then combine their coefficients. COMBINING LIKE TERMS</span>

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The quadratic formula can be used to solve an equation only if the highest

Studentka2010 [4]

i think it must be one or two

6 0

3 years ago

The half price of helium-5 is 7.6 X 10 to the power of negative 22 seconds and the half-life helium -9 is 7 x 10 to the power of

Digiron [165]

Answer:

Approximately 9.211 times

Step-by-step explanation:

Given

$x = 7.6 * 10^{-22}s$ --- half life of helium-5

$y = 7 * 10^{-21}s$ --- half life of helium-9

Required

How many times greater is y than x

To do this, we simply divide y by x

$\frac{y}{x} = \frac{7 * 10^{-21}s}{7.6 * 10^{-22}s}$

$\frac{y}{x} = \frac{7 * 10^{-21}}{7.6 * 10^{-22}}$

Apply law of indices

$\frac{y}{x} = \frac{7 * 10^{-21--22}}{7.6}$

$\frac{y}{x} = \frac{7 * 10^{-21+22}}{7.6}$

$\frac{y}{x} = \frac{7 * 10}{7.6}$

$\frac{y}{x} = \frac{70}{7.6}$

$\frac{y}{x} = 9.211$

5 0

3 years ago

What is the value of the expression, written in standard form?

Vladimir79 [104]

Answer:

For example, (6.6x10^-2)/(3.3x10^-4) you trun it into a demical fraction like 0.066/0.00033

The answer is 200. Hope this helps brainly if this helps!

Step-by-step explanation:

7 0

3 years ago

the weight of meteorite A is 7 times the weight of meteorite B. if the sum of their weight is 176 tons, find the weight of each

dedylja [7]

Answer:

A= 154, B=22

Step-by-step explanation:

if meterorite A is 7 times bigger than B, then our equation would be 7B+B=176. This gives us B=22. Then you multiply 22 times 7 to get your A value.

6 0

2 years ago

What's 5x10 exponent 1

strojnjashka [21]

The anser is 50 becasue if u had an mini 1 above 1 that would mean u had to multiply it 5x10 2 time fro example 5x20 = 100

6 0

2 years ago

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