MATHEMATICS HIGH SCHOOL

1) Area = 150 in?, width = 10 in
What’s the length =

Answers

Answer 1
Answer:

Answer:

L = 15 in.

Step-by-step explanation:

area = L * W

150 = L * 10

L = 150 / 10

L = 15 in.

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2/3 of all your books are fiction. 1/6 of those are historical fiction. What fraction of all your books are historical fiction?
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CAN SOMEONE PLEASE HELP ME!!!????One 1700 lb load of feed mixture contains 25% corn and 40% bran; the rest is roughage. How many pounds of corn should be added to a load of feed mixture to make the mixture 40% corn?

Answers

Answer:

extra 15% corn.

.15 ⋅ 1700 = 255

You would have to add 255 pounds of corn

Not sure if its right--

Rory is staying in a cabin on a hill 300 feet above sea level. She walks down the hill to the water’s edge. The equation of her average change in elevation over time is e = 300 – 10t, where t is the time in minutes since she left the cabin, and e is her elevation with regard to sea level. Which values are viable points, and what are their values in the table relating t and e

Answers

The correct answer :

a = not viable

b = 265

c = 0

Answer: a=Not viable,b=265,c=0

Step-by-step explanation: Just did it.

The perimeter of a square field is 272 yards. How long is each side?

Answers

Perimeter of a square = 4 * each side
so, in the given case 4 * lenght of each side = 272 yards
so, each side = 272/4 = 68 yards

How do I find the calculated sum of 1/7 and 1/2

Answers

(1)/(7)+(1)/(2)=(1 * 2)/(7 * 2)+(1 * 7)/(2 * 7)=(2)/(14)+(7)/(14)=(2+7)/(14)=\boxed{(9)/(14)}
first make the denomenators (bottom numbers) the same

find the smallest number that 7 and 2 can both go into
the number is 14

multiply both by 1 or x/x where x is the same

1/7 times 1 or
 1/7 times 2/2=2/14

1/2 times 1 or
1/2 times 7/7=7/14

sum of numbers
2/14+7/14
add numberators (top numbers)
2+7=9
answer=9/14

Question 2 An exponential model y = a.6 passes through the points (0,9) and (3,243). What are the values of a and b?​

Answers

Answer:

a = 9, b = 3

Step-by-step explanation:

The exponential function is

y = a b^(x)

Find a and b by using the points it passes through

Using (0, 9 ) then

9 = a b^(0) ( b^(0) = 1 )

a = 9

y = 9 b^(x)

Using (3, 243 ) then

243 = 9b³ ( divide both sides by 9 )

27 = b³ ( take the cube root of both sides )

b = \sqrt[3]{27} = 3

y = 9(3)^(x) ← exponential equation

What is the equation of the line that passes through the points (-2, 3) and (2, 7)?x - y = -1
x - y = -2
x - y = - 5
x - y = - 6

Answers

x -y = -5

To see that substitute the points.

First, point (-2,3)

-2 - 3 = -5

Now second point (2,7)

2 - 7 = -5

As you have seen, both points belong to the equation x - y = -5
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