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3 years ago

13

What is

tex-formula">

1 answer:

umka21 [38]3 years ago

5 0

Amayo943,

Remember that with exponents you have to multiply the number of exponets by the same number it's in for example: $1^2 = 1 \times 1$ In this case you need to know that:

$15^2 = 15 \times 15$
$15 \times 15 = 225$
$=225$

Therefore your answer is "225."

Hope this helps!

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The zeros of a function are the values of x x for which the function is equal to zero. Enter a number in each blank to make true

Anit [1.1K]

Answer:

1 or 5

Step-by-step explanation:

Given the function h(x)=(2x−2)(x−5)

The zeros of h(x) are the values of x for which h(x)=0

h(x)=(2x−2)(x−5)=0

Note that if a.b=0, either a=0 or b=0.

Appying the above,

If (2x−2)(x−5)=0

Then:

2x−2=0 or x-5=0

2x=2 or x=5

x=1 0r 5

The zeroes of h(x) as defined are 1 or 5.

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3 years ago

In the late nineteenth century, the scientist Marie Curie performed experiments that led to the discovery of radioactive substan

gtnhenbr [62]

Answer:

Step-by-step explanation:

Half life is the time taken by a radioactive substance to reduce of half of its original size

If the half life of radium is 1600, this means that the original radioactive substance N0 have reduced to N0/2 after 1600 years

if we are given N0 = 1000grams

The amount of the substance that will remain after 1600 years will be N0/2 i.e 1000/2 = 500g

<em>Hence 500 grams of radium will be left after 600years</em>

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3 years ago

Mariah's scores on her first five algebra tests are 84%, 90%, 80%, 91%, and 70%. She retakes the last test and improves her scor

Katena32 [7]

Answer:

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Step-by-step explanation:

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3 years ago

A new car costs $8000 at full price. With a sales tax of 5.75%, how much will the car cost in total?

ioda

Answer:

$8460

Step-by-step explanation:

So for this problem we will use the base price of $8000 and add the additional cost of the 5.75% to find the total cost for the car.

So, to find the 5.75%, we simply multiply 8000 by .0575 to get 460.

So 8000 + 460 = 8460.

Thus, the total price of the car would be $8460.

Cheers.

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3 years ago

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svlad2 [7]

Answer: x=25

Step-by-step explanation:

7+x=32 (subtract 7)

x=25

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2 years ago

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