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uranmaximum [27]

3 years ago

13

What is the definition of an exponential equation?

2 answers:

AlladinOne [14]3 years ago

4 0

Answer:

An exponential equation is an equation with exponents where the exponent (or) a part of the exponent is a variable. For example, 3 x = 81, 5 x - 3 = 625, 6 2y - 7 = 121, etc are some examples of exponential equations

amid [387]3 years ago

4 0

Answer:

Exponential equations are equations in which variables occur as exponents. For example, exponential equations are in the form ax=by . To solve exponential equations with the same base, use the property of equality of exponential functions

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Pham is saving money to buy new headphones. The headphones cost $200, but she has saved only 45% so far. How much more does Pham

Snezhnost [94]

Answer:

she needs $110

Step-by-step explanation:

Just multiply 200 by 0.45 to get 90 then subtract 90 from 200

4 0

3 years ago

What is the area of a trapezoid that has the bases of 1 1/4ft and 14 inches and a height of 3 inches.

Rom4ik [11]

The area of the trapezoid is 43.5 inches²

Step-by-step explanation:

The formula of the area of a trapezoid is $A=\frac{1}{2}(b_{1}+b_{2})h$ , where:

$b_{1}$ and $b_{2}$ are the two parallel bases
h is its height

∵ $b_{1}$ = $1\frac{1}{4}$ feet

∵ $b_{2}$ = 14 inches

∵ h = 3 inches

- Change the length of $b_{1}$ from feet to inches

∵ 1 foot = 12 inches

∴ $1\frac{1}{4}$ feet = $1\frac{1}{4}$ × 12 = 15 inches

∴ $b_{1}$ = 15 inches

Substitute the values of $b_{1}$ , $b_{2}$ and h in the

formula of the area

∴ $A=\frac{1}{2}(15+14)(3)$

∴ A = 43.5 inches²

The area of the trapezoid is 43.5 inches²

Learn more:

You can learn more about the area of figures in brainly.com/question/12919591

#LearnwithBrainly

5 0

4 years ago

|-4| + |-5| i need help!!!

iren2701 [21]

Answer:

9

Step-by-step explanation:

The absolute value of any number is just its distance from 0.

-4 is 4 away from 0, so its absolute value is 4.

-5 is 5 away from 0, so its absolute value is 5.

Therefore, the equation is basically just asking what is 4 + 5, which is 9 :D.

4 0

3 years ago

Read 2 more answers

In the equation x=y/7 what is the unit rate

Veseljchak [2.6K]

The answer to the question is x=y/7

4 0

3 years ago

I have a question here.

aniked [119]

Answer:

3 ways

Step-by-step explanation:

n = 3; r = 2

$nC_{r}=\dfrac{n!}{r!(n-r)!}\\\\3C_{2}=\dfrac{3!}{2!1!}=\dfrac{3*2*1}{2*1}=3$

5 0

3 years ago