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CaHeK987 [17]
3 years ago
14

Please help me i really need help please help me please

Mathematics
1 answer:
Ugo [173]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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A hot air balloon rises 9 meters every 3 seconds. How high does the hot
kozerog [31]

Answer:

45 meters

Step-by-step explanation:

so if i divided 9  by 3 it's 3 meters per sec then i times 15 by 3 equals 45

3 0
3 years ago
-4x-y=24−4x−y=24minus, 4, x, minus, y, equals, 24 Complete the missing value in the solution to the equation.
grigory [225]

Answer:

-4x-y=24......1

24−4x−y=24

substituting value of−4x−y

24-24=24

it has no solution. I think question is incomplete

4 0
3 years ago
A bag contains purple marbles and white marbles, 96 in total. The number of purple marbles is 6 less than 5 times the number of
love history [14]
<em /><em>PURPLE MARBLES=P
WHITE MARBLES=W

</em>First, write out an equation showing the number of purple marbles.
P=5W-6
Then, write out the main equation.
W+P=96
W+5W-6=96
Add 6 to both sides.
W+5W=102
6W=102
Divide both sides by 6
W=17
Now that we know there are 17 white marbles, we can go back to the equation about how many purple marbles there are. 
P=5W-6
Plug in the value for W, which is 17.
P=5(17)-6
P=85-6
P=79

To make sure your answer is correct, check your work by plugging in the values for P+W=96.
79+17=96
Answer: There are 79 purple marbles.
8 0
3 years ago
If the probability of an event is what is the probability of the event not happening?20/69Write your answer as a simplified frac
Vilka [71]

If an event has a probability P of happening, then there is a probability of (1-P) of the event not happening.

In this case the probability of the event is p=20/69.

Then, the probability of the event not happening is:

P(\text{not happening})=1-p=1-\frac{20}{69}=\frac{69-20}{69}=\frac{49}{69}

Answer: the probability of the event not happening is 49/69.

6 0
1 year ago
Divide using synthetic division<br> (2x3 + 4x² - 5x+2) by (x + 3).
baherus [9]

Answer: Plz mark as brainiest

Step-by-step explanation:  

8 0
3 years ago
Read 2 more answers
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