How many liters of a 50% acid solution must be mixed with a 30% acid solution to get 180 L of a 40% acid solution?
Answer:
ninety liters
Step-by-step explanation:
Ninety liters of the 50% acid solution have to be mixed with 90 liters of the 30% solution to yield 180 liters of 40% solution.
10% of 30 (this is for a quiz, thanks if u can help)
Answer:
3
Step-by-step explanation:
3 * 10 = 30
Hope I could help!
how to multiply mixed fractions with whole numbers
Answer:
Step-by-step explanation:
Example: (1 2/3) (2 3/5)
Turn to improper fractions
1 2/3= 5/3 2 3/5= 13/5
5/3 x 13/5=?
5x13= 65
3x5= 15
Simplify/divide: 65/15 = 4 1/3
Another example. (2 5/6)(3)
Improper fraction: 2 5/6= 17/6
Turn Whole number to fraction: 3= 3/1
17/6 x 3/1
17x3= 51
6x1= 6
51/6
Simplify/divide: 8 1/2
Find the rate of change shown in the table
Answer:
the rise over run
Step-by-step explanation:
76 people left before the movie ended 124 people remained how many people were in the theater when it was full 
Answer:
Step-by-step explanation:
124 + 76 = 200 ☺
Which point is on the line that passes through (0,6) and is parallel to the given line
Answer:
d) (6, 0)
Step-by-step explanation:
y = -2/12 = -1/6x - 4 = y
New line = y = -1/6x + 6
Plug and test!
0 = -1/6(6) + 6
0 does indeed equal 0
7 / 9 ×(− 8 / 9 ) fraction form pls help fast like i really need this pls
Answer:
-7/8
= (7/9) × (-9/8)
=-7/8
NEEDS TO BE CORRECT PLZ HELP
Step-by-step explanation:
Linear pairit's hope it helpful to you
Answer:
c
Step-by-step explanation:
its a pair
Write an equation for the line parallel to the given line that contains C.
C(-1,5); y = 8/9x+2
*
Answer:
y = 8/9x + 53/9
Step-by-step explanation:
5 = 8/9(-1) + b
45/9 = -8/9 + b
b = 53/9
If 2 angles in a triangle are 71 degrees and 56 degree, what is the measure of the third angle?
Answer:
53
Step-by-step explanation:
Sol'n
Let the remaining angle of a triangle be x.
x+71+56=180 (Sum of angles of a triangle is 180°)
or, x+127=180
or, x=180-127
.:, x=53°
.:, The measure of third angle is 53°
Help I need this pls provide expnation too thx
HELP ME QUICK PLS BEFORE 11:59PM EST TIME
Answer:
what is the question
Step-by-step explanation:
simplify this please!!
Answer:
[tex] {5}^{ \frac{1}{2} } \times {5}^{ \frac{1}{3} } = {5}^{ \frac{5}{6} } [/tex]
Convert 34.0 dm to km. Show all work.
Step-by-step explanation:
Convert 34 Decimeters to Kilometers (dm to km) with our conversion calculator and conversion tables. To convert 34 dm to km use direct conversion formula below.
34 dm = 0.0034 km.
You also can convert 34 Decimeters to other Length (popular) units.
Answer:
34dm=0.0034km
Step-by-step explanation:
1dm=0.0001km
0.0001 times 34= 0.0034.
REPOST** helppp please, can someone please answer and explain this or just answer, i'd prefer an explanation too, I'm don't understand this...
Answer
45 miles per hour .
Pamela is 7 years younger than Jiri. The sum of their ages is 63. What is Jiri's age?
Answer: 35
Step-by-step explanation: (lol I read the question wrong). Basically subtract 7 from 63, then divide 56 by 2 to find Pamela’s age. Then add 28+7 because Jiri is 7 years older than Pamela
Given the function f(x)=8-3x. Solve f(-2)
A. -14
B. 14
C. -2
D. 2
Answer:
14, which is B.
Step-by-step explanation:
Plug in -2 in your function.
f(-2) = 8-3(-2)
= 8 - (-6)
= 8 + 6 = 14
Triangle ABC is transformed to create triangle MNO and triangle PQR as described below.
MNO represents the translation 2 units left and 2 units down of triangle ABC.
PQR represents the dilation of triangle ABC by a scale factor of 2.
Which of these is correct?
The missing options are located here; https://brainly.com/question/18156103
The option that correctly describes the transformation that took place with triangle ABC is; Option A.
In transformations, translation simply means shifting an object from one position to the other while dilation simply means increasing or decreasing an object by a scale factor.This means that translation preserves the lengths and angles of the object while the lengths and angles change with dilation.Option A; Triangle MNO represents a translated triangle and as such the lengths and angles remain unchanged and so this option is correct.
Option B; Not true because both lengths and sides are preserved as stated above.
Option C; Transformation to PQR denotes dilation by a factor of 2 and as such the lengths and angles change. Thus this option is not true.
Option D; This is not true for the same reason in option C above.
Read more at; https://brainly.com/question/18156103
If you want to know the probability of spinning a spinner in a game that has 8 equal-sized
wedges and it lands on red, which represents one of the those wedges. You determine that probability to be 1/8 or 0.125.
Identify if the following is experimental, classical, or subjective simple probability:
the answer is 1/8. Because you divide how many pieces there are by that same number.
what is 2.4% of 20 rounded to the nearest tenth(as a decimal)
Fake answers will be reported
Answer:
0.5
Step-by-step explanation:
convert 2.4% to .024 just by moving it two spaces to the left!
(.024)(20) = .48
because your teacher may want it rounded to the nearest tenth, just round one up!
.48 ------> 0.5
comment or message me if you have questions :)
Answer:
0.5
Step-by-step explanation:
What is 39.2÷2? equal to?
Answer:
19.6 is the correct answer
Answer:
19.6
Step-by-step explanation:
39.2/2
19.6
Solve the equation –x^2 -6x=-2x^2 to the nearest tenth.
Answer:
The answer is x = 3
Step-by-step explanation:
edge2020
Part 1 - Application
Give a convincing argument with logical explanations that the contrapositive of a conditional is the
same as the converse of the inverse of the conditional
Answer:
see explanation. (I did this exact assignment this morning, and this is very similar to what I submitted)
Step-by-step explanation:
The contrapositive of a conditional is the same as the converse of the inverse of the conditional.
The best way to prove/support this statement is to create an example. You should start by creating a conditional; you can then form the conditional's converse, inverse, and contrapositive. Here is an example:
Conditional: If C, then D. (starting statement)
Converse: If D, then C. (conditional reversed)
Inverse: If not C, then not D. (opposite of the conditional)
Contrapositive: If not D, then not C. (reversed opposite of the conditional)
Based on the information from the example you gave, you can conclude:
The converse of the inverse: If not D, then not C. (reversed opposite of the conditional)
Because: The converse is the conditional reversed (If D, then C). The inverse of the converse, in this case, would then make it the opposite (If not D, then not C).
I have not yet received a grade on this assignment, but I know the information is correct; the amount of explanation you need to give really depends on how your teacher grades. Personally, I just submitted an example (similar to the one above) that was color-coded to help show the different parts of each statement.
I hope this helps! :)
A fair dice is rolled. Find the probability of showing an even prime number
please help me it's math I really need the answer!
Answer:
1/36
Step-by-step explanation:
outcomes/total number of outcomes
1/36
I think this is it but I'm not sure, don't take my word for it if you don't think it's correct either.
what the slope of a line
Answer:
The slope of a line is a number that measures its "steepness", usually denoted by the letter m. It is the change in y for a unit change in x along the line.
Hope it helps.
What is this expression in simplest form?
x²+x-2/x³-x²+2x-2
Answer:
Simplified to lowest possible would be [tex]\frac{x +2}{x^{2} + 2}[/tex]
Step-by-step explanation:
Which ordered pairs is a solution to -5x + 3y > 12?
(3,9)
(-5,5)
O (3.-6)
D(-2.-5)
(2.8)
(-6.0
9514 1404 393
Answer:
(-5, 5), (2, 8), (-6, 0)
Step-by-step explanation:
It is convenient to graph the solution, then plot the points to see which fall in the solution area.
The point (3, 9) falls on the boundary line, which is not part of the solution set.
The points that are solutions are ...
B(-5, 5)
E(2, 8)
F(-6, 0)
Cal has $400 in his saving account and deposits $25 per month. Marla has $100 in her savings account and deposits $50 per month. After how many months will they have the same amount in their savings account?
Answer:
11 months
Step-by-step explanation:
Write as an equation and solve.
On Monday, Ken spent half of his money on
a new game. The next day he earned
$12 mowing lawns. He now has $32. How much money did Ken have before he
bought the game?
Answer:
$40
Step-by-step explanation:
2(32-12)=40
hope this helps
what is the quotion of 5/6 divided by 5/24
Step-by-step explanation:
remember, dividing one fraction by a second is the same as multiplying the first one with the inverse fraction of the second.
5/6 ÷ 5/24 = 5/6 × 24/5 = 24×5 / 6×5 = 24/6 = 4