How many square feet is 8 feet by 2 ft by 2 ft by 1 foot

Answers

Answer 1

Answer: 32ft you do 8*2*2*1 to get 32

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Julia has 14 pounds of nuts .there are 16 ounces in one pound. how mant ounces of nuts does she have
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1) There are a total of 18 chairs. If the ratio of the red chairs to brown chairs is 2 to 4 , how many of them are red.2) rock can read 10 books in 30 minutes .how long does it take rock to read 15 books ,if the speed is consistent?
3)Ricky is at the bakery shop when he sees that 8 pastries cost $160. he needs 16 pastries . how much will 16 pastries cost .

Answers

1) When you're finding ratios, the best thing to do is to add the parts together to find what one part is.
2+4= 6. Then divide this by the total- 18/6=3.
Therefore, the ratio of red to brown chairs is 2*3:4*3
Therefore, the amount of red chairs is 12.

2) The best thing to do i to find out how long it takes him to read one book them multiply this by 15.
To do this, simply divide the amount of time by the amount of books that he has read.
30/10= 3
Therefore, Rock can read a book in three minutes. As he is reading 15, you multiply these together.
3*15= 45
Therefore, it will take Rock 45 minutes to read 15 books.

3) The best thing to do is to find out what one pastry costs, and you can do this by dividing the cost by the amount of pastries.
160/8= 20.
Therefore, one pastry costs $20.
As you want to find the cost of 16 pastries, you simply times these together.
20*16= 320
Therefore, 16 pastries cost $320.

Hope this helps :)

What is the slope-intercept form of the function described by this table X 1 2 3 4
Y -2 -6 -10 -14

Y=____x+_______

Answers

$x_1=1 \n y_1=-2 \n \n x_2=2 \n y_2=-6 \n \nm=(y_2-y_1)/(x_2-x_1)=(-6-(-2))/(2-1)=(-6+2)/(1)=(-4)/(1)=-4 \n \ny=-4x+b \nx=1, y=-2 \n-2=-4 * 1+b \n-2=-4+b \n-2+4=b \nb=2 \n \n\boxed{y=-4x+2}$

Anna is a teacher at an elementary school. She purchased 73 tickets to take the first-grade children and some parents on a field trip to the zoo. She purchasedchildren's tickets for $9 each and adult tickets for $15 each. She spent a total of $771. How many of each ticket did she buy?
Adults
Children
Total

Answers

She bought 54 child tickets and 19 adult tickets.

Step-by-step explanation:

No. of tickets purchased = 73

Cost of tickets = $771

Cost of one child ticket = $9

Cost of one adult ticket = $15

Let,

Child ticket = x

Adult ticket = y

According to given statement;

x+y=73 Eqn 1

9x+15y=771 Eqn 2

Multiplying Eqn 1 by 9;

$9(x+y=73)\n9x+9y=657\ \ \ Eqn\ 3\n$

Subtracting Eqn 3 from Eqn 2;

$(9x+15y)-(9x+9y)=771-657\n9x+15y-9x-9y=114\n6y=114\n$

Dividing both sides by 6;

$(6y)/(6)=(114)/(6)\ny=19$

Putting y=19 in Eqn 1

$x+19=73\nx=73-19\nx=54\n$

She bought 54 child tickets and 19 adult tickets.

Keywords: linear equations, subtraction

Learn more about linear equations at:

#LearnwithBrainly

Jill says that 12.6 repeating is less than 12.63. Explain her error.

Answers

She is wrong because 12.66 is greater than 12.63. The last digit of 12.66 (6) is larger than the last digit of 12.63 (3) Even if 12.6 keeps on going (12.66666.....) 6 will always be bigger than 3.
Hope that helped :)

12.6 repeating is the equivalent of 12.666666666666 and so on but if you rounded, it would be 12.67. So, compare 12.67 and 12.63. 12.67 is larger.

What is the equation of a line passing through the origin with a slope of positive one?

Answers

We are going to use the equation of a line y = mx + b. In this equation, m is the slope and b is the y-intercept.

We know from the question that the slope is 1. Therefore, m = 1. So now, our line is y = 1x + b

Then, we can use a known point on the line to find b. We know that our line passes through the origin so point (0,0) is on the line.
0 = 1(0) + b
0 = 0 + b
b = 0

Therefore, the equation of the line is:
y = 1x + 0
or just y = x

y=x
The slope of this line is 1 (the numerical coefficient of x) and passes through the origin (if you put x=0 it gives you y=0).

What is the slope called if zero is on the numerator or top of the fraction?

Answers

Slope does not exist. A zero in the numerator means you have a horizontal line.

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