A ride on the roller coaster costs 4 tickets while the boat ride only costs 3 tickets. Michael went on the two rides a total of 10 times and spent a total of 37 tickets Which equation is true?

Answers

Answer 1

Answer: Let x be the number of times that Michael rode on the roller coaster and let y be the number of times that he rode on the boat, then: x + y = 10 [because he went on the two rides a total of 10 times], and 4x + 3y = 37 [because a ride on a roller coaster costs 4 tickets and the boat ride costs 3 tickets and he spent a total of 37 tickets] From the first equation, 4x + 4y = 40 subtracting the second equation from the third equation gives: y = 3, and from the first equation x = 10 - y = 10 - 3 = 7 Therefore, Michael rode on the roller coaster 7 times and on the boat 3 times.

Answer 2

Answer:

The answer is C. Hope this helps! :D

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What s the total cost of a $12.50 item plus 7% tax? Is the question how do you find the answer?

Answers

so percent means parts out of 100 so
7%=7/100=0.7/10=0.07/1=0.07

so we want to find 12.50 +7% of 12.50

'of' can be translated as multiply

12.50+(0.07 times 12.5)=12.5+0.88=13.38

the total cost is 13.38

a shortcut is if you want to find cost+tax then
cost=1 and tax=0.07 so 1+0.07=1.07 so to find cost, just multply by 1.07

Estimate the answer to 233 x 52

Answers

The answer is:
233 x 52 = 12116

Hello!

Answer:

233×52=12.116

PLEASE HELP IM ON A TIMER! ILL MARK BRAINLIEST!Which statement about converting metric units of measurement is true? Use the metric table to help answer the question.

A. There are 0.35 hectoliters in 35 deciliters.

B. There are 7.62 centiliters in 762 liters.

C. There are 6.8 kiloliters in 68 hectoliters.

D. There are 0.75 deciliters in 7.5 liters.

Answers

Answer:

Below is the conversion table for letter A to D:

1 deciliter = 0.001 hectoliters

1 liter = 100 centiliters

1 kilolieter = 10 hectoliter

1 liter = 10 deciliter

The correct one would be letter C - There are 6.8 kiloliters in 68 hectoliters. Since 1 kiloliters (kl) is equal to 10 hectoliters (hl), 6.8 kl times 10 is equal to 68 h

Step-by-step explanation:

Answer:

Step-by-step explanation:

The graph shows the solution to which system of equations?A)
y = x + 2 and y = -x - 4
B)
y = 3x + 7 and y = x + 12
C)
y = 2x - 3 and y = −2x + 1
D)
y = -x + 4 and y = −2x + 5

Answers

C. the pink line is positive, the green line is negative. each lime is going up or down two and over one. there the slope is 2/1 or more simply 2. C is the only answer with both lines with a slope of 2

List the perfect squares between 100 and 500 that are even numbers.

Answers

144 196 256 324 400 484

Answer:

121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, and 484.

Step-by-step explanation:

used this page as a reference: https://brainly.ph/question/91919

anita has two sisters and three brothers. the mean of all their ages is 6 years. what will their mean age be 10 years from now?twenty years from now?

Answers

Answer:
Now: 6 yr mean age
in 10 yrs? 16 yr mean age
in 20 yrs? 26 yr mean age

Why? Because regardless of the relationship between each sibling's age, your always adding the 10yrs to each individual, which you are then dividing out to determine the mean age. See proof below:

Including anita, there are 6 people. We'll define each age as an unknown variable. Assume we know nothing about the relationships between their ages

for example sake
anita's age = a
sister 1's age = b
sister 2's age = c
brother 1's age = d
brother 2's age = e
brother 3's age = f

Now:
mean age = (a + b + c + d + e + f)/(6 people) = 6 yrs

in 10 yrs:
mean age = ((a+10) + (b+10) + (c+10) + (d+10) + (e+10) + (f+10))/(6 people)
mean age = (a + b + c + d + e + f + 60)/(6 people)
mean age = (a + b + c + d + e + f)/(6 people) + (60)/(6 people)
mean age = (a + b + c + d + e + f)/(6 people) + 10

Notice the first term is the same expression of the mean age for "Now"
Thus, in 10 yrs:
mean age = 6 + 10 = 16 yrs

The same principle applies for "x" yrs from now, as long as we know what the mean age is "Now"

Answer:

10 years from now= 16

20 years = 26

Step-by-step explanation:

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