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JulijaS [17]
3 years ago
14

Given f(x) = -3x + 21, find x when f(x) = 6.

Mathematics
1 answer:
Ainat [17]3 years ago
3 0

Answer:

x = 5

Step-by-step explanation:

Given

f(x) = - 3x + 21 and f(x) = 6, then equating gives

- 3x + 21 = 6 ( subtract 21 from both sides )

- 3x = - 15 ( divide both sides by - 3 )

x = 5

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A card is drawn from a deck of 52 cards. Find the probability of drawing a black card.
Zepler [3.9K]

Answer: See below

Step-by-step explanation:

14) 26/52 of the cards are red, 1/2

15) All of the cards are red or black, 1/1

16) 4/52 of the cards are aces, 1/13

17) 12/52 of the cards are J/Q/K, 3/13

Convert the fractions to whatever unit is needed.

3 0
3 years ago
Read 2 more answers
write two equations that when graphed look like this *see image*. please help its due soon and i will give ya 75 points for answ
krok68 [10]

The graph is showing the equation of circle x²+y²=4

<h3>What is a circle?</h3>

A circle is a two-dimensional geometry on the plane having a centre point and the circular line is drawn equidistant from the centre point.

The given graph in the question represents the equation of the circle cutting the points on the x-axis and y-axis at 4 which is the radius of the circle.

The equation will be as follows:-

x²+y²=4

Hence the graph is showing the equation of circle x²+y²=4

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brainly.com/question/24375372

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3 0
2 years ago
8) BRAINLIEST + 15+ POINTS! :)<br><br> Which of the following is a graph of y=1/2 x +1
LuckyWell [14K]

Answer:

D

Step-by-step explanation:

We can rule out the second and third because the y intercept in those graphs are not 1

Now lets look at the point 2,5 on graph a

y=1/2x+1

so 5=1+1 but that is false

D is the answer by elimination

7 0
3 years ago
Ccacacvssvvssjdsvshxb de s zzz dat herh
KATRIN_1 [288]

Answer: gjnyujhgfdrjhg;flhigobkhyjnhkmk,

Step-by-step explanation:

6 0
3 years ago
Josie rode her bike 18 miles at 12 and then rode another 24 miles at 15.
sleet_krkn [62]
18/12= 1.5 
24/15= 1.6
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I think D is your answer 
8 0
3 years ago
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