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stealth61 [152]
3 years ago
15

In geometry, every word defined. T or F

Mathematics
2 answers:
GalinKa [24]3 years ago
6 0
False. Some words like point, line and plane are not defined.
ValentinkaMS [17]3 years ago
3 0
Its F this im sure take my word
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Bob had three carries of 8 yards each and 5 carries of 6 yards each in a recent football game. what was rushing average(average
Sedaia [141]
3 carries of 8 yds.....3 * 8 = 24 yds
5 carries of 6 yds.....5 * 6 = 30 yds

so we have a total of 8 carries for 54 yds..

54/8 = 6.75 <== average yds per carry
8 0
3 years ago
Read 2 more answers
Does (-15, -691) make the equation y = -51x - 74 true?<br><br><br>​
dimulka [17.4K]

Well, we can input both variables to check and see if the numbers hold.

-691 = -51(-15) - 74

-691 = 765-64

-691 = 701

(-15, -691) does not make the equation true.

3 0
3 years ago
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If f(x) = -3x +4 and g(x) = 2, solve for the value of x for<br> which f(x) = g(x) is true.
grin007 [14]

Step-by-step explanation:

f(x) = g(x)

-3x + 4 = 2

4 - 2 = 3x

2/3 = x

5 0
3 years ago
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A circle has a circumference of 42 in.what is the area of the circle
Solnce55 [7]

Answer:

140.37 in²

Step-by-step explanation:

C = 2πr

42 = 2πr

21 = πr

r = 21/π

A = πr²

A = π × (21/π)²

≈ 140.37 in²

3 0
3 years ago
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Ana can finish a certain job in 10 hours. Together, Ana and Nina can finish the same job in 3 hours. How many hours can Nina fin
Over [174]

Answer:   4.5 hours

<u>Step-by-step explanation:</u>

Ana: \dfrac{1}{10}\ \text{job per hour}\\\\Nina: \dfrac{1}{x}\ \text{job per hour}\\\\Together: \dfrac{1}{3}\ \text{job per hour}\\\\\\Ana + Nina = Together\\\dfrac{1}{10}\quad +\dfrac{1}{x}\quad =\quad \dfrac{1}{3}\\\\\\\dfrac{1}{10}(30x)+\dfrac{1}{x}(30x) =\dfrac{1}{3}(30x)\\\\\\\rightarrow\quad 3x+30=10x\\\\.\quad 3x+30=10x\\\underline{-3x\qquad \quad -3x\quad}\\.\qquad \quad 30=7x\\\\.\qquad \quad \dfrac{30}{7}=\dfrac{7x}{7}\\\\\\.\qquad \quad \dfrac{30}{7}=x

.\qquad \quad 4.5=x

5 0
2 years ago
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