How can you be 1/2 years for example Tommy is 91/2 years old

Answers

Answer 1
Answer: i would assume because you have a birthday every year. so when it is your half birthday that determine that you are half an age older...
like born january 1 so your half birthday would be july 1, making you half a year older

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Solve the Systems of equations algebraically 4x+5y=15
-4x+6y+7

Answers
A- (5/4, 2)
B- (2, 5/4)
C- (4/5,2)
D (2, 4/5)

Answers

STEP 1:
4x + 5y= 15
-4x + 6y= 7
add the two above equations; the x term cancels out; solve for y

11y= 22
divide both sides by 11

y= 2


STEP 2:
substitute the y value in step 1 into either original equation

4x + 5y= 15
4x + 5(2)= 15

4x + 10= 15
subtract 10 from both sides

4x= 5
divide both sides by 4

x= 5/4


ANSWER: (A) x= 5/4, y= 2 or (5/4, 2)

Hope this helps! :)

Answer:

5/4, 2 or A on edge 2021

Step-by-step explanation:

took the test :)

What is the cube root of 159?

Answers


It's an irrational number, so you can get as close as you need to, but
you can't write it exactly with numbers.  As a decimal, it never ends. 

-- The number  5.4175  is within  0.00003%  of the actual value.

-- (5.4175)³  is less than  0.000084%  smaller than 159 .


Cube root would be 5.41
Cube root is when a number cubed gives you the original number
Cubed means a number times a number,given the amount of times to multiply that number
For example- Cube root of 125 is 5*5*5

In a parking lot 16% of the cars are blue . There are 4 blue cars in the parking lot. How many cars in the parking lot are not blue?

Answers

Since 4 is 16% of the cars that are blue in the parking lot, we can say that 1 car is 4% of the cars that are blue in the parking lot. Since 25 times 4 is 100 and 100 is the total number of percents, we can also say that there are 25 cars in total in the parking lot. Then, in order to find the cars that are not blue, then we can subtract 4 from 25, which brings us with 21 cars that are NOT blue. =) Hope you understood!

Answer: 21 non-blue cars

4/25 = 0.16
0.16 * 100 = 16% 
25 - 4 = 21

There are 21 non blue cars in the parking lot 

F(x) 2x^3 -9x^2-6x+40

Answers

Answer:

(x+2)*(2x-5)*(x-4)

I think this is the answer

Step-by-step explanation:


Answer: -2

Step-by-step explanation:

Got it right on Edge

Josh used a standard deck of 52 cards to conduct an experiment. Half of the cards in the deck were red. The other half were black. Josh predicted that he would choose a red card in 4 out of 8 trials. When he conducted the experiment, he actually chose a red card 6 out of 8 times. Which explains the most likely reason for the discrepancy between Josh’s predicted and actual results?A.He incorrectly predicted the number of times he would choose a red card.
B.He incorrectly determined the actual number of times he chose a red card.
C.He used too few trials for the sample space.
D.He used too many trials for the sample space.

Answers

Answer: C. He used too few trials for the sample space.


Step-by-step explanation:

Given: Josh used a standard deck of 52 cards to conduct an experiment.

As half of the cards in the deck were red.

If we take sample space= 52 cards

Then probability of getting a red card=(1)/(2)

But Josh took 8 cards as sample space which is not enough for the sample space.

therefore, C. is the right answer. "He used too few trials for the sample space."


Answer:

Option C - He used too few trials for the sample space.

Step-by-step explanation:

Given: Josh used a standard deck of 52 cards to conduct an experiment. Half of the cards in the deck were red. The other half were black.

Josh predicted that he would choose a red card in 4 out of 8 trials.

When he conducted the experiment, he actually chose a red card 6 out of 8 times.

To find : Which explains the most likely reason for the discrepancy between Josh’s predicted and actual results?

Solution :

Sample space = 52 cards

As half of the cards in the deck were red.

Probability of getting a red card is (1)/(2)

He predict and conduct to choose a red card out of 8 trials which is not enough for the sample space.

Therefore, Option C is correct.

He used too few trials for the sample space.

A bottle of cranberry juice contains 32 fluid ounces and costs $2.56. What is the unit rate?

Answers

unit\ rate=(cost)/(number\ of\ ounces)\n\n unit\ rate=(2.56\$)/(32ounce)=0.08(\$)/(ounce)\n\n Unit\ rate\ is\ 0.08\$\ per\ one\ ounce.