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3 years ago

11

What is an polynomial

1 answer:

Tatiana [17]3 years ago

7 0

Answer:

An expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

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An account is opened with an initial balance of $950 and a simple annual interest rate of 1.6%. What is the balance after 5 year

Sergeeva-Olga [200]

The answer is $1,026.

Solving: Use Simple interest formula, I=Prt.

Make the rate into a decimal (1.6% -> 0.016)

plug in the numbers into the formula. 950 x 0.016 x 5 = 76$.

76$ will be our interest, now to find the balance we would have to add the the starting money (950) with our interest (76$), resulting in our answer of $1,026 after 5 years.

5 0

2 years ago

Read 2 more answers

If m<ECD is six less than five times m<BCE. and m<BCD = 162°, find each measure.(Sorry bout using the wrong signs, but

tia_tia [17]

Answer:

m∠BCE = 28° and m∠ECD = 134°

Step-by-step explanation:

* Lets explain how to solve the problem

- The figure has three angles: ∠BCE , ∠ECD , and ∠BCD

- m∠ECD is six less than five times m∠BCE

- That means when we multiply measure of angle BCE by five and

then subtract six from this product the answer will be the measure

of angle ECD

∴ m∠ECD = 5 m∠BCE - 6 ⇒ (1)

∵ m∠BCD = m∠BCE + m∠ECD

∵ m∠BCD = 162°

∴ m∠BCE + m∠ECD = 162 ⇒ (2)

- Substitute equation (1) in equation (2) to replace angle ECD by

angle BCE

∴ m∠BCE + (5 m∠BCE - 6) = 162

- Add the like terms

∴ 6 m∠BCE - 6 = 162

- Add 6 to both sides

∴ 6 m∠BCE = 168

- Divide both sides by 6

∴ m∠BCE = 28°

- Substitute the measure of angle BCE in equation (1) to find the

measure of angle ECD

∵ m∠ECD = 5 m∠BCE - 6

∵ m∠BCE = 28°

∴ m∠ECD = 5(28) - 6 = 140 - 6 = 134°

* m∠BCE = 28° and m∠ECD = 134°

3 0

3 years ago

Read 2 more answers

Please help!!!!!

sergeinik [125]

-8.1

Step-by-step explanation:

$\frac{ - 4}{9} x + 2.4 = 6$

<em>Times </em><em>all </em><em>by </em><em>9</em><em> </em><em>to </em><em>get </em><em>rid </em><em>of </em><em>fraction</em>

<em> $- 4x + 21.6 = 54$ </em>

<em>Take </em><em>2</em><em>1</em><em>.</em><em>6</em><em> </em><em>away</em><em> </em><em>from</em><em> </em><em>both</em><em> </em><em>sides</em>

<em> $- 4x = 32.4$ </em>

<em>Divide</em><em> </em><em>by </em><em>-</em><em>4</em>

<em> $x = - 8.1$ </em>

8 0

2 years ago

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How to explain 3,482,000,000 in scientific notation

Gelneren [198K]

3.482 x 10^9.
-the coefficient must be under 10, and in this case it is the "3". Then you count the places after that to get your exponent

7 0

3 years ago

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a truck weighs 5,400 pounds. An open-wheel race car weighs 1/4 as much. how much does the race car weigh

gtnhenbr [62]

Since 1/4 is equal to 0.25 than you would do 5,400 times 0.25 and get the answer of 13,500.0. So the race car weighs 13,500 pounds.

3 0

3 years ago

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