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kaheart [24]
3 years ago
8

What is the unit rate of 40 meters in 16 seconds?

Mathematics
2 answers:
Anna007 [38]3 years ago
7 0
The unit rate us 2.5 meters each second to do this you could find the unit rate
soldi70 [24.7K]3 years ago
5 0
40 meters in 60 seconds could be expressed as

\frac{40 meters}{16 seconds}

So, in order to get the unit rate, we divide the numerator and denominator by 16.

\frac{40}{16} \\  \frac{40/16}{16/16} \\  \frac{2.5}{1} \\  \frac{2.5 meters}{1 second}

So, the unit rate is 2.5 meters per second (or every one second)
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What is the area of an isosceles trapezoid, if its shorter base has length of 18 cm, the length of the altitude is 9 cm, and the
padilas [110]

The formula for the area of a triangle of base b and altitude h is A = (1/2)(b)(h).

Here, b = 18 cm and h = 9 cm.  Thus, the desired area is:

        (18 cm)(9 cm)

A = ----------------------- = 81 cm^2

                  2

This problem gives you more info than is needed to solve it.  The area of the given triangle is 81 cm^2.

5 0
4 years ago
If f(x)=x^2+3x-10, then f(10)=?
steposvetlana [31]

Answer:

f(10) = 120

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = x² + 3x - 10

f(10) is x = 10

<u>Step 2: Evaluate</u>

  1. Substitute:                     f(10) = 10² + 3(10) - 10
  2. Exponents:                    f(10) = 100 + 3(10) - 10
  3. Multiply:                         f(10) = 100 + 30 - 10
  4. Add:                               f(10) = 130 - 10
  5. Subtract:                        f(10) = 120
5 0
3 years ago
Find the zeros of the function and state their multiplicities. y=x^4-8x^2+16
Volgvan
   
y=0\\\\ &#10;x^4-8x^2+16 = 0\\\\&#10;(x^2)^2 - 2\cdot 4 \cdot x^2 + 4^2 = 0\\\\&#10;(x^2 - 4)^2 = 0\\\\&#10;(x^2 - 4)(x^2 - 4)=0\\\\&#10;(x-2)(x+2) (x-2)(x+2) = 0\\\\&#10;(x-2)(x-2) (x+2)(x+2) = 0\\\\&#10;\Longrightarrow~~~ x_1 = 2;~x_2 = 2;~ x_3= -2;~x_4 = -2\\\\&#10;\text{Conclusion:}\\\\&#10;x_1 = x_2 = 2~~~   \text{double root}\\\\&#10;x_3 = x_4 = -2~~~   \text{double root}\\\\&#10;



7 0
3 years ago
Find the equation of a line where =-2 passing through the post 0,6).<br><br><br> Help me pleas
SpyIntel [72]

Answer:

stmswcftssss

Step-by-step explanation:

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3 0
3 years ago
Judges in a diving competition gave scores of 9.3, 9 1/2, 9 4/5, 9.95 And 9 1/4. Which two scores were closest to one another?
Kazeer [188]

9.3 and 9\frac{1}{4} were closest to another.

<u><em>Explanation</em></u>

First we will convert each given fractions into decimal form. So....

9\frac{1}{2}= 9+\frac{1}{2} = 9+0.50 =9.50\\  \\ 9\frac{4}{5}= 9+ \frac{4}{5}= 9+0.80=9.80\\   \\ 9\frac{1}{4}= 9+\frac{1}{4} =9+0.25= 9.25

Then the scores are: 9.30, 9.50, 9.80, 9.95 and 9.25

So, 9.30 and 9.25 are closest to another as their difference is (9.30-9.25)=0.05

That means , 9.3 and 9\frac{1}{4} were closest to another.

6 0
3 years ago
Read 2 more answers
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