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2 years ago

Mark each! Of the following equations as true or false. Explain or showing your reasoning!

Mathematics

1 answer:

Airida [17]2 years ago

8 0

Answer:

False

True

Step-by-step explanation:

Multiplying add exponents

Divide subtract exponents

Exponent multiply exponents

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Need help!!! no idea what to do?!<br><br>plz help

vagabundo [1.1K]

Which question was it that you were wanting me to answer?

8 0

3 years ago

PLEASE HELP MEEE

Romashka-Z-Leto [24]

Answer:

2x^3 + 9x^2 + 16x + 21.

Step-by-step explanation:

We first multiply the expression in the second parentheses by x , then by +3:

(x + 3)(2x^2 + 3x + 7)

= x(2x^2 + 3x + 7) + 3(2x^2 + 3x + 7)

= 2x^3 + 3x^2 + 7x + 6x^2 + 9x + 21 Now we add like terms:

= 2x^3 + 9x^2 + 16x + 21.

7 0

2 years ago

Ella is Bono motorcycle and he’s taking out a loan in the amount of $15,000 her choice is for the loan or a 36 month loan at 6.5

klemol [59]

Answer:

Step-by-step explanation:

Step-by-step explanation:

The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal

R represents interest rate

T represents time in years

I = interest after t years

Considering the 36-month loan,

T = 36 months = 36/12 = 3 years

P = $15000

R = 6.5%

Therefore

I = (15000 × 6.5 × 3)/100

I = 292500/100

I = $2925

Considering the 48-month loan loan,

T = 48 months = 48/12 = 4 years

P = $15000

R = 7.5%

Therefore

I = (15000 × 7.5 × 4)/100

I = 450000/100

I = $4500

The difference in the amount of interest Ella would have to pay for these two loans is

4500 - 2925 = $1575

4 0

2 years ago

The quadratic regression graphed on the coordinate grid represents the height of a road surface x meters from the center of the

andrew-mc [135]

The height of the surface increases, then decreases, from the center out to the sides of the road.

<h3>What is quadratic equation?</h3>

The polynomial having a degree of 2 is defined as the quadratic equation it means that the variable will have a maximum power of 2.

Let

y------> the height of the surface

x------> the road

we know that

The quadratic regression graphed represent a vertical parabola open downward

The function increase in the interval --------> (-5,0)

The function decrease in the interval --------> (0,5)

therefore

The height of the surface increases, then decreases, from the center out to the sides of the road.

To know more about quadratic equation follow

brainly.com/question/1214333

#SPJ1

5 0

2 years ago

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Have to find volume and surface area but idk how

Setler [38]

Answer:

volume 1050 $in^{3}$

surface area 859 $in^{2}$

Step-by-step explanation:

volume is length times width times height (7*25*12)/2

surface area is area of all the sides added together

2(25*12)+(12*7)+ 2( $\frac{7*25}{2}$ )

4 0

3 years ago

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