Answer:
1 1/8
Step-by-step explanation:
2/8 + 7/8
Since the denominators are the same, we add the numerators
9/8
This is an improper fraction, so we can rewrite this
8/8+ 1/8
1 1/8
Explain the error in Julie’s work in rewriting the radical expression.
Answer:
The negative numbers do not have square roots. Therefore the question does not have a solution. That is where Julie made a mistake.
Step-by-step explanation:
Answer:
-6
Step-by-step explanation:
First, let's take a look at this property:
[tex] \displaystyle \large{ \sqrt{a} \sqrt{b} = \sqrt{ab} }[/tex]
This only works for a and b ≥ 0.
As for a & b < 0 which results in Imaginary Number, we have to convert in 'i' form.
We know that:-
[tex] \displaystyle \large{ i = \sqrt{ - 1} }[/tex]
Thus:
[tex] \displaystyle \large{ \sqrt{ - 3} \cdot \sqrt{ - 12} = \sqrt{3} i \cdot \sqrt{12}i }[/tex]
Then we can multiply 12 & 3 in square root.
[tex] \displaystyle \large{ \sqrt{ - 3} \cdot \sqrt{ - 12} = \sqrt{36} {i}^{2} }[/tex]
We know that:
[tex] \displaystyle \large{ {i}^{2} = - 1}[/tex]
Convert i^2 to -1
[tex] \displaystyle \large{ \sqrt{ - 3} \cdot \sqrt{ - 12} = \sqrt{36}( - 1) } \\ \displaystyle \large{ \sqrt{ - 3} \cdot \sqrt{ - 12} = - \sqrt{36}}[/tex]
Then evaluate √36 which is 6.
[tex] \displaystyle \large{ \sqrt{ - 3} \cdot \sqrt{ - 12} = - 6}[/tex]
Therefore the answer should be -6.
Conclusion
Julie cannot use the √a√b = √ab property first because a & b both are < 0 and the property applies for a ≥ 0, b ≥ 0.
Find the measure of the angle formed between the base of the cone and a line segment that represents the slant height
Answer:90° right angle
Step-by-step explanation: 90° right angle is formed between the base and slant height of cone.
There were 56 runners to start a race. In the first half of the race, 1/4 of them dropped out. In the second half of the race, 3/7 of the remaining runners dropped out. How many runners finish the race?
Answer:
24 runners
Step-by-step explanation:
If 1/4 of the runners dropped out, then 1 - 1/4 or 3/4 continued on. 3/4 of 56 or 3/4 *56 is 42 runners left. Then, out of these 42, 3/7 dropped out. This means 1 - 3/7 or 4/7 of the runners remained. This means that 4/7 * 42 or 24 runners finished the race.
number 19. ...........
I am horrible at percentages, help (NO LINKS)
Answer:
4.86
% I think I may be wrong tho.
–0.28 − 10y = –8.3y + 6.01 how do u get y im so confused
Answer:
-y=3,7
Step-by-step expl
If (x+3)(x-5)=x^2 +mx-15, the value of m is...?
Pls explain the answer, thx!
[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
let's solve :
first step : we have to expand the term in L.H.S
[tex](x + 3)(x - 5)[/tex][tex] {x}^{2} - 5x + 3x - 15[/tex][tex] {x}^{2} - 2x - 15[/tex]now, let's equate the equations to find the value of m :
[tex] {x}^{2} - 2x - 15 = {x}^{2} + mx - 15[/tex]value of m = -2
HELPPPPP!!!! WILL MARK BRAINLIEST!!!!!!
Which situation best represents the relationship between x and y
presented in the graph?
Ally made 15 pancakes at a rate of 6 pancakes per
minute.
An elevator starts on floor 6 and ascends at a rate of
1 floor per second.
Andrew has $6 to spend at the arcade. He spends $1
per game he plays.
O 1 inch of rain falls every hour for 6 hours.
Pancakes = 2.5
Elevator is only going up so 1/0
Game is the same as elevator
If hours is x than 1/6 if you is hours 6/1
PLEASE I NEED HELP!!!!
Answer:
x < 4
Step-by-step explanation:
The dotted line is x = 4
The shaded area is below x = 4.
So, x <4
QUICK QUESTION: is this right?
Answer:
C3H8 + 5O2 → 3CO2 + 4H2O
Step-by-step explanation:
Propane + Dioxygen = Carbon Dioxide + Water
Reaction Type
Combustion
Can somebody explain to me how to solve system of equations by substitution? I have an example as well. (-y=3x+4) (4y=x-1)
Step 1: Solve for one of the equations for either variable.
Step 2: Substitute the expression from Step 1 into the other equation.
Step 3: Solve the resulting equation.
Step 4: Substitute the solution in Step 3 into one of the original equations to find the other variable.
Step 5: Write the solution as an ordered pair.
Step 6: Check that the ordered pair is a solution to both original equations.
PLEASE PLEASE HELP LIKE RIGHT NOW PLEASE :’)
Marco owed his father $150 and began paying him back $20 at the end of
each week, beginning November 1. Joni owed her father $130 and began
paying him back $15 at the end of each week, beginning on the same
day. What Marco owed his father in dollars at the end of n weeks can be
represented by f(n) = 150 - 20n. What Joni owed her father in dollars at the
-
end of n weeks can be represented by g(n) = 130 - 15n.
Find the value of n for which f(n) = g(n). What does that value mean in this
situation?
Answer:
The important clue here is when they say both The girls owe the same amount so what they mean is equate both the functions
so we get
150 - 20n = 130 - 15n
Now n gives us the number of weeks so solve for n
20n - 15n = 150 - 130
5n = 20
n = 4
Now check your solution
150-20(4) = 70
130 - 15(4) = 70
So our answer checks out after 4 weeks both girls who their dads the same amount of money .
Step-by-step explanation:
Answer:
can you help me with mine
Step-by-step explanation:
my is : 3,5,8,12 is it Arithmetic geometric or neither ?
If P = (-3,5), find the image
of P under the following rotation.
270° counterclockwise about the origin
([?], [])
Enter the number that belongs in
the green box.
Enter
Answer:
(5,3)
Step-by-step explanation:
Plot the point (1.5, −3) on the coordinate plane.
Answer:
that it
Step-by-step explanation:
The Plot of the point (1.5, −3) on the coordinate plane is represented by Red dot in the attached graph.
How can we perceive cartesian coordinate plane?The cartesian coordinate plane is an infinite 2 dimensional plane. Any 2 dimensional figure can be drawn on an infinite 2d plane. Each of the point of a cartesian plane is tracked by a location.
The cartesian coordinate plane is the perpendicular distance of that point from the horizontal axis and vertical axis, usually named x-axis and y-axis. The location is written as; (a,b), where 'a' is that point's shortest distance from the y-axis and called x-coordinate of that point, and 'b' is that point's shortest distance from the x-axis, and called y-coordinate of that point.
Given
Point: (1.5, −3)
Required to Plot the point (1.5, −3) on the coordinate plane.
The points can be rewritten as:
x --- f(x)
1 ---- 1
2 --- 2.5
3 ---- 6.25
The data under the x column are the domain of the function.
The Plot of the point (1.5, −3) on the coordinate plane is represented by Red dot in the attached graph.
Learn more about locating points here:
https://brainly.com/question/24198263
#SPJ2
Someone plz help me :(
PLEASE HELP IT’S DUE TMR
Answer:
a) 12:12 simplified version is 1:1
b) 5:12:12 cannot be simplified
c) 12:5:12 cannot be simplified
d) 0.50:3.00:0.60
Step-by-step explanation:
Easy math help pls iiiii
Is this correct? 3.81 estimated to a whole number is 4.
Answer:
yes it is correct
Step-by-step explanation:
Answer: Yes You are correct!
Step-by-step explanation:
If a number in the tenths place is greater than or equal to 5 then we round up. Ex: 1.90 would round to 2
If a number in the tenths place is less than or equal to 4 then we round down. Ex: 1.19 would round to 1
Since 8 is in the tenths place we round up. 3.81 would be 4 rounded to the nearest whole number.
You are correct
Simplify using positive exponents.
Please and thank you!
Answer:
B
Step-by-step explanation:
[tex](a^{m})^{n}=a^{m*n}\\\\\\(4^{-4})^{2}=4^{-4*2}=4^{-8} =\dfrac{1}{4^{8}}[/tex]
[tex]a^{-m}=\dfrac{1}{a^{m}}[/tex]
Find the angle
25 points for you plus a thanks, brainliest and 5 star
Answer:
36.656
Step-by-step explanation:
Calculate using trigonometry, Calculator may be required
Ok, so it's actually pretty easy
First of all, we know that all triangles' angles add up to 180 degrees
Here we can tell that we have one 90 degree angle and another 45 degree angle
Now, we can subtract both of these angles to then finalize that, the missing angle is equal to 45 degrees
Hope this helps :)
Please help!
Select the only equation type that can be modeled as a continuous linear function
Question 1 options:
f(x)=12x
f(x)=5x−3
f(x)=x2−7
f(x)=f(x−1)×2, f(1)=4
Answer:
A.
Step-by-step explanation:
f(x) = 12x
since here, x>=0, the function will be continous as a linear And will have a straight lined graph
Please help! A consumer survey conducted in two consecutive years determined that a fixed basket of goods and services cost $95.00 in year 1 and $96.25 in year 2.
The rate of inflation from year 1 to year 2 is _
Year 1 =old price =$95
Year 2 = new price = $96.25
The inflation rate is the difference in price between two Given period :
Inflation rate :
(Change in price / old price) * 100%
((New price - old price) / old price) * 100%
((96.25 - 95) / 96) * 100%
= (1.25 / 95) * 100%
= 0.0131578 * 100%
= 1.315%
(10, y) and (3, 4); m = - 2/7
Answer:
2
Step-by-step explanation:
[tex]\frac{4-y}{3-10} = -\frac{2}{7}\\\\\frac{4-y}{-7} = -\frac{2}{7}\\\\4-y = -\frac{2}{7} * -7\\\\4-y = 2\\\\y = 4-2\\\\y = 2[/tex]
Feel free to mark this as brainliest! :D
Please answer the question.
Answer:
hope you like my answer 4.24264
John has 3 fewer dimes than quarters. He has twice as many nickels as quarters. Altogether he
has $6.45, how many of each coin does he have?
The point (-3, 9) is in the ____
quadrant
Answer:
II
Step-by-step explanation:
Answer:
I believe it is in the first quadrant.
Step-by-step explanation:
if you start in the negative x postitive y quadrant and go clockwise it would be the first one.
resolve the factor a ^ 4 - 7a ^ 2 * b ^ 2 + b ^ 4
A green bottle holds 8 35 ounces of water. A bluebottle holds 8 67 ounces of water. Write an inequality that compares the fractions and explain which bottle holds more.
PLEASE ANSWER THIS ASSSAAAPPP!!
Answer:
Blue bottle holds more.
Step-by-step explanation:
Given:
Green Bottle = 8 3/5 = 43/5
Blue Bottle = 8 6/7 = 62/7
Now:
we can write 43/45 as;
43/5 x 7/7 = 301/35 (1)
similarly, 62/7 = 62/7 x 5/5 = 310/35 (2)
Comparing both (1) and (2),
301/35 < 310/35
:. (301 < 310)
Hence,
Blue Bottle will hold more.
guys pls help me!!!!!!
Answer:
120 degrees
Step-by-step explanation:
it is literally the same as the other side