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frez [133]
3 years ago
5

The best answer that will no confuse kids will be 2+2 due to kids are teached that has to discompose un this case the most fast

and appropiate to use with the numbers on the ecuation is 3 + 2 = 5 as 1 + 2 + 2 = 5 and the doble fact will be 2 + 2

Mathematics
1 answer:
stellarik [79]3 years ago
3 0
You solve it all ready
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ellen buys 24 ounces of green beans at the grocery store. the green beans cost $1.90 per pound. how much does she pay for the gr
RideAnS [48]

Answer:

  $2.85

Step-by-step explanation:

The price Ellen pays can be found using the proportion ...

  price/(24 oz) = $1.90/(16 oz)

Multiplying by 24 oz, we get ...

  price = $1.90(24/16) = $2.85

Ellen pays $2.85 for the beans.

7 0
3 years ago
for the school play adult tickets cost 4$ and children tickets cost 2$ natalie is working at the ticket counter and just sold 20
lilavasa [31]
Let us formulate the independent equation that represents the problem. We let x be the cost for adult tickets and y be the cost for children tickets. All of the sales should equal to $20. Since each adult costs $4 and each child costs $2, the equation should be

4x + 2y = 20

There are two unknown but only one independent equation. We cannot solve an exact solution for this. One way to solve this is to state all the possibilities. Let's start by assigning values of x. The least value of x possible is 0. This is when no adults but only children bought the tickets.

When x=0,
4(0) + 2y = 20
y = 10

When x=1,
4(1) + 2y = 20
y = 8

When x=2,
4(2) + 2y = 20
y = 6

When x=3,
4(3) + 2y= 20
y = 4

When x = 4,
4(4) + 2y = 20
y = 2

When x = 5,
4(5) + 2y = 20
y = 0

When x = 6,
4(6) + 2y = 20
y = -2

A negative value for y is impossible. Therefore, the list of possible combination ends at x =5. To summarize, the combinations of adults and children tickets sold is tabulated below:

   Number of adult tickets             Number of children tickets
                  0                                                   10
                  1                                                    8
                  2                                                    6
                  3                                                    4
                  4                                                    2
                  5                                                    0




6 0
3 years ago
Congress regulates corporate fuel economy and sets an annual gas mileage for cars. A company with a large fleet of cars hopes to
3241004551 [841]

Answer:

There is sufficient evidence that fuel economy goal has been attained.

Step-by-step explanation:

The hypothesis :

H0 : μ < 30.2

H1 : μ ≥ 30.2

The test statistic :

(xbar - μ) ÷ (s/√(n))

xbar = 32.12 ; s = 4.83 ; n = 50

Test statistic :

(32.12 - 30.2) ÷ (4.83/√(50))

1.92 ÷ 0.6830651

T = 2.811

Using the Pvalue from test statistic calculator :

Since we used the sample standard deviation, we use the T distribution

df = n - 1 = 50 - 1 = 49

Pvalue(2.811, 49) ; one tailed = 0.00354

At α = 0.05

Pvalue < α ; then we reject the null and conclude that there is sufficient evidence that fuel economy goal has been attained

4 0
3 years ago
Find the algebraic expression for the word phrase 7 less than p
Doss [256]
So we need have to understand that if we were to solve this, our answer would be 7 less than 'p' with that information we get p-7.
8 0
3 years ago
It’s not a question on here but I think you solve for x
Vedmedyk [2.9K]

Answer:

4.56

Step-by-step explanation:

3 0
3 years ago
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