Answer:
A differential equation is one that contains the derivative of a function. For example f(x) + 3 = 4f'(x) - 2. Usually you will be given one of the functions and initial conditions if you have to solve.
Gabriel is making a mixture of compost and soil to use for a special plant. He wants his final mix to be 2 parts compost and 8 parts soil. He wants to end up with 12 kilograms to mix. How many kilograms of compost should Gabriel use?
Answers
I thought about it this way; the ratio between compost and soil is 2/8. 2/8 is also equal to 1/4, and 1/4 of 12 is 3. So you'd want 3 kilograms of compost a d 9kg of soil. (:
about 0.9 i think. i may be wrong so dont take my word for it
Which expressions are equivalent to the expression 24 ÷ (12 – 4)?Choose exactly two answers that are correct.
A. 18 – 5 • 3
B. 3 + 6 ÷ 3
C. 36 ÷ (10 + 2)
D. 12 – 4 ÷ 2 – 3
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24 ÷ (12-4) = 3 A and C also equal 3 Remember the order of operations! makes all the difference! PEMDAS = (working left to right) parentheses, exponents, division/multiplication, addition/subtraction
Peter is reading a 193-page book. He has read three pages more than one-fourth of the number of pages he hasn’t yet read. How many pages has he not yet read?
Answers
Let X be amount of pages that he has NOT yet read. So he read (x/4+3) pages Book has 193 pages. This means that x+(x/4+3)=193 x+(x/4+3)=193 5x/4+3=193 5x/4=190 x=190*4/5 x=152 pages he hasn't read yet
120 pupils went on a feildtrip . 55% of the pupils were girls and the rest were boys. How many boys went on the trip?
Answers
Answer:
number of boys are 54. ...
Answer:
54 boys went in the trip
Step-by-step explanation:
55% of 120 is 66 and 66 minus 120 is 55
570 mL = ? oz,show work
Answers
Conversion from milliliters to ounces can be done using the following relation: 1 mL = 0.033814 ounce.
Given 570mL, we multiply it to the amount of ounces as shown in the relation. This is done below:
570 mL * (0.033814 oz / 1 mL) = 19.274 oz
What is bigger 7/8 or 0.78
Answers
Solutions
To solve the problem we first have to convert the fraction into a decimal. To convert a fraction into a decimal you have to divide the numerator by the denominator.
7/8 = 7 ÷ 8 = 0.875
0.875 is bigger then 0.78 therefore 7/8 is greater.