Solve the given problem. Zara is six years older than half Gary’s age. If Gary is four years old, how old is Zara?
14
10
8
6
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Simplify. Write each answer in scientific notation. 15. (6 ˣ 10^-5)^3 19. 3 ˣ 10^-2 / 8 ˣ 10^-1 20. 4.1 ˣ 10^-4 / 1.28 ˣ 10^-5 21. 1.91 ˣ 10^3 / 5 ˣ 10^-4
Which polynomial equations have -i as one of their roots? 1. x^3 + 5x^2 - 20 = 0 2. x^3 - x^2 + x - 1 = 0 3. x^3 + 3x^2 + x + 3 = 0 4. x^3 - 2x^2 + x - 2 = 0 5. x^3 - 6x^2 - 16x + 96 = 0
Solve the equation. 6 = 2(x + 8)- 5xa. 2/3b. 3 1/3c. - 2/3d. -3 1/3
Help Me ASAP PLEASE I NEED IT NOW I WILL GIVE BRAINLIEST
celery. Lucas performs 50 pulls, record
ing the vegetables drawn and placing
the pulled vegetable back into th
e bag before the next draw.
How many cabbage draws would is ex
pected if 1000 pulls are conducted?
10,000 pulls?
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Answer:
3667 times
Step-by-step explanation:
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isolate x by multiply both sides by x:
18=-2x
divide by -2
-9=x
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Answer:
it takes ten tickles for an octopus to laugh
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Explanation:
Step one) identify all variables.
> y = money in bank acc AFTER buying (x) video games.
Step two) y = $40
Step three) substitute
> 40 = 90 - 10x.
Step Four) solve for x
> subtract 90 both sides.
-50 = -10x
DIVIDE by -10 on both sides ( to isolated x)
This equals 5 = x
x is number of video games bought meaning >> 5 video games bought :))
Final answer:
The equation y = 90 - 10x indicates the amount left in the savings account after buying x number of video games. Plugging in 40 for y and solving for x, it is found that 5 video games were purchased.
Explanation:
To find out the number of video games purchased, you need to solve the equation y = 90 - 10x for 'x' when 'y' is 40. This equation represents the total amount in your savings account (y) after buying x number of video games.
- Plug in 40 for 'y' in the equation:
40 = 90 - 10x - Subtract 90 from both sides of the equation:
-50 = -10x - Divide both sides by -10:
5 = x
So, you bought 5 video games to have $40 left in your savings account.
Learn more about Solving Equations here:
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Show all work?
keep your answer in simplified radical form.
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SU=24
TU=16 square root of 3
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First of, Anna walked to a friend's house which is 'm' miles away and she walked at an average speed of 4 miles per hour.
So, to find the time we will use formula given below:
So the time taken by Anna to get to her friend's house is:
We have the time taken by Anna to walk to her friend's house.
Now we will find the time taken by Anna to walk back home. While walking back home Anna walked at a speed of 3 miles per hour.
So the time taken by Anna to walk back home is:
Now that we have the both the times, we can find out the total time that Anna spent walking.
Total time that Anna spent walking is:
Anna spent hours while walking.