Jane has bought 10 pounds of dog food. She feeds her dog 2/5 pounds for each meal. For how many meals will the food last? Write your answer in simplest form.
Answers
Answer:
25 meals
Step-by-step explanation:
All you have to do is divide 10 ÷ 2/5 and you'll get 25 :)
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Answers
as negatives gets cancelled ! and 8/4 gives 2 !
Answer:
2 is the answer
Step-by-step explanation:
Answers
9 x 9 = 81
27+81= 109
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1) if the equation is
y=1/4 * x-12 then x=1/4 y-12==>1/4y=x+12==>y=x/4+3
2) if the equation is
y=1/(4x-12) then x=1/(4y-12)==>4y-12=1/x==>4y=1/x+12==>y=1/(4x)+3
Answers
Answer: The correct option is (D)
Step-by-step explanation: We are given to find the following sum of the polynomials :
To find the required sum, we need to add the coefficients of the same unknown variables with equal powers.
The sum of the polynomials in (i) is as follows :
Thus, the required sum of the polynomials is
Option (D) is CORRECT.
First, get rid of the parentheses and combine like terms
(8x^2+x^2)(-9y^2-3y^2)(-4x-7x)
9x^2-12y^2-11x is your answer
Answers
You have two expressions here: x + y = 2.3 and 2.1x + 2.9y = 6.03
The goal is to get rid of one of the variables because when there are two variables it's pretty impossible to figure them out when you don't know either. To do this you need to add or subtract the expressions. To do that you need to make one of the variables the same in both expressions.
Let's make the x's the same. So in one problem you have x and in the other you have 2.1x. You want to multiply the x by 2.1 so they are both 2.1 x. To do that you have to multiply the whole expression by 2.1 which would be 2.1(x + y) = 2.3(2.1) which equals 2.1x + 2.1y = 4.83.
Now you have two expression 2.1x + 2.1y = 4.83 and 2.1x + 2.9y = 6.03. Change the first one to all negatives to subtract it. 2.1x + 2.1y = 4.83 becomes -2.1x - 2.1y = -4.83. Now you can subtract the expression like this.
2.1x + 2.9y = 6.03
-2.1x - 2.1y = -4.3
________________
0x + 0.8y = 1.2 or 0.8y = 1.2 (Hooray the x is gone!)
Now you just finish solving it.
0.8y = 1.2
y = 1.2/0.8
y = 1.5
y represented the crackers so whatever answer has 1.5 crackers is the correct one
Answers
Model D :
x = 2, y = 1.959
y = 0.0000872 · 2³ - 0.00989 · 2² + 0.403 · 2 + 1.192 = 1.968
.... ...
x = 82, y = 15.817
y = 0.000873 · 82³ - 0.00989 · 82² + 0.403 · 82 + 1.192 = 15.818
Answer:
D ) y = 0.0000872 x²- 0.00989 x² + 0.403 x + 1.192