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Korvikt [17]
3 years ago
6

Simone painted a line around the entire perimeter of her rectangular tennis court. The length of the court was 78 feet and the w

idth was 27 feet.
How long was the line Simone painted?
A.54 feet
B.105 feet
C.183 feet
D.210 feet
Mathematics
2 answers:
kolezko [41]3 years ago
8 0

78 + 78 + 27 + 27 = 210. The line Simone painted was 210 ft.

mariarad [96]3 years ago
3 0
Basically, it's the perimeter of the court, so: 78 + 78 + 27 + 27 = 210. The line Simone painted was 210 ft.
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761.8 x 10^-8 Express the number in scientific notation. A) 7.618 x 10^-6 B) 7.618 x 10^-8 C) 7.618 x 10^2 D) 7.618 x 10^6
ludmilkaskok [199]

Answer:

\huge\boxed{A)\ 7.618\times10^{-6}}

Step-by-step explanation:

The scientific notation:

a\cdot10^n

where

1\leq a

We have

761.8\times10^{-8}

We need to move the decimal point two places to the left.

\underbrace{(7.618\times10^2)}_{=761.8}\times10^{-8}=7.618\times(10^2\times10^{-8})

use

a^n\cdot a^m=a^{n+m}

=7.618\times10^{2+(-8)}=7.618\times10^{-6}

4 0
3 years ago
I am super confused<br> .....................
Phantasy [73]

Answer:

B is the answer

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
in 2012, the population of a city was 63,000. by 2017, the population was reduced to approximately 54,100. identify any equation
Akimi4 [234]

Answer:

<em></em>f(x) = 63000(0.97)^x<em></em>

<em></em>

Step-by-step explanation:

Given

f(0) = 63000 ---x = 0, in 2012

f(5) = 54100 -- x = 5, in 2017

Required

Select all possible equations

Because there is a reduction in the population, as time increases; the rate must be less than 1.

An exponential function is represented as:

f(x) = ab^x

Where

b = rate

rate > 1 in options (a) and (b) i.e. 1.03

This implies that (a) and (b) cannot be true

For option (c), we have:

f(x) = 63000(0.97)^x

Set x = 0

f(0) = 63000(0.97)^0 = 63000*1=63000\\

Set x = 5

f(5) = 63000(0.97)^5 = 63000*0.8587=54098.1 \approx 54100

<em>This is true because the calculated values of f(0) and f(5) correspond to the given values</em>

For option (d), we have:

f(x) = 52477(0.97)^x

Set x = 0

f(0) = 52477(0.97)^0 - 52477* 1 = 52477

<em>This is false because the calculated value of f(0) does not correspond to the given value</em>

For option (e), we have:

f(x) = 63000(0.97)^\frac{1}{5x}

Set x = 0

f(0) = 63000(0.97)^\frac{1}{5*0} = 63000(0.97)^\frac{1}{0} =undefined

<em>This is false because the f(x) is not undefined at x = 0</em>

For option (f), we have:

f(x) = 52477(0.97)^{5x

Set x = 0

f(0) = 52477(0.97)^{5*0} = 52477(0.97)^0 =52477*1= 52477

<em>This is false because the calculated value of f(0) does not correspond to the given value</em>

<em>From the computations above, only (c) </em>f(x) = 63000(0.97)^x<em> is true</em>

4 0
3 years ago
Write the slope-intercept form of the equation of the line described.
iren2701 [21]

Answer:

9) y=3x+11

10) y=-3x-6

Step-by-step explanation:

plug the numbers in to find your y intercepts

6 0
3 years ago
La Biblia dice que Matusalén vivió 979 años, mientras que Abraham vivió 175 años, escribe la fracción que indica la relación de
LenKa [72]

Answer:

A 175/979 = M

Step-by-step explanation:

Si Matusalén vivió 979 años y Abraham vivió 175 esto quiere decir que abraham vivio menos años que Matusalén.

Por lo que la fracción va a tener que ser menor que 1 ya que al multiplicarla por la edad de Matusalén nos tiene que dar la de Abraham.

Tenemos que encontrar una fraccion que multiplicada por 979 nos de 175.

979 * X = 175

Tenemos que despejar la x y encontraremos el valor de la fraccion.

979 * X = 175

X = 175/979

Nos fijamos si se puede simplificar, no se puede asique este es el resultado final.

3 0
3 years ago
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