MATHEMATICS HIGH SCHOOL

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 1
Answer:

Answer:

extra 15% corn.

.15 ⋅ 1700 = 255

You would have to add 255 pounds of corn

Not sure if its right--

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Suppose you are determining the growth rate of two species of plants. Species A is 12 cm tall and grows 2 cm per month. Species B is 10 cm tall and grows 3 cm per month. Which system of equations models the height of each species H(m) as a function of months m.H(m ) = 2 + 12m H(m ) = 3 + 10m H(m ) = 2 + 12m H(m ) = 10 + 3m H(m ) = 12 + 2m H(m ) = 3 + 10m H(m ) = 12 + 2m H(m ) = 10 + 3m

A farmer harvested 35 arces of corn. Animals ate 1/8 of the corn he orginally planted. How many arces of corn did the farmer plant?

Answers

The farmer planted 39.37 acres of corn because 1/8 of 35 is 4.37, and if you add the amount he harvested to the amount the animals ate, you get 39.37 acres of corn originally planted.

Victoria has some money from her birthday and the amount is modeled by the function h(x) = 200. She read about a bank that has savings accounts that accrue interest according to the function s(x) = (1.05)x − 1. Victoria is thinking about putting her money into the savings account to gain interest. Using complete sentences, explain to Victoria how she can combine her functions to create a new function, and explain what this new function means.

Answers

so h(x) is total she has

the other function is interest
if she uses her money to gain interest then she puts in 200 for x in second equation

so subsitute 200 for x
the combined function would be
s(h(x))=(1.05)^(200-1)
basically she put in her savings/gifts and got interst

s(200)=(1.05)^(200-1)
s(200)=(1.05)^(199)
s(200)=16469.1

A gallon of paint can cover 150 square feet. Find how many galloti container of paint should be beate to paint 3 coats on each wall of a rectangular room with dimension feet by 14 feet and will shar 12-feet tall.

Answers

Area of the wall = 12 ft * 14 ft = 168 ft^2

Each wall is coated thrice with the paint.

Therefore, 168ft^2 * 3 = 504 ft^2

150ft^ 2 = 1 gallon paint.

Therefore 504 ft^2 requires

= 504/150

= 3.36 gallons of paint

Answer:

Step-by-step explanation:

Wk castes

(x^(2)-3x=2)-(3x^(2)-5x-1)

Answers

(x^2-3x+2)-1(3x^2-5x-1)=
x^2-3x+2-3x^2+5x+1=
x^2-3x^2-3x+5x+2+1=
-2x^2+2x+3
(x² - 3x + 2) - (3x² - 5x - 1)

This problem can be split up into like terms. So, all of the terms containing x² would be put together, the terms containing just one x would be put together, and the terms without x's would be put together.

(x² - 3x²) = -2x²

(-3x -  -5x)   Simplify the double negative
(-3x + 5x) = 2x

(2 - -1)   Simplify the double negative
(2 + 1) = 3

So, when you put those all together you get -2x² + 2x + 3.

Round off 4252 to one significant figure

Answers

The answer is 4000 because in sig fig, you don't count the zeros after the number unless there is a decimal after 0.

If point A is between B and C then BA + AC = BC. always sometimes never

Answers

Always

Anytime point A is on line BC, AB+BC=BC

The answer is Always

Step-by-step explanation:
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