Emily simplified this expression. Expression: (5−2)2+23×4 Step 1: (3)2+23×4 Step 2: 9+23×4 Step 3: 9+9×4 Step 4: 9+36 Step 5: 45 Emily made a mistake. Which step shows her first mistake? Step 1 Step 2 Step 3 Step 4
Answer:
Step 2 shows Emily's first mistake.
Step-by-step explanation:
3(2) = 6
But instead of this Emily wrote 3(2) = 9.
Which of the following angles is not congruent to angle 3
Answer:
angle 2
Step-by-step explanation:
they aren't equal.
Angle 3 is not equal to angle 2.
What is property of parallel lines?Properties of Parallel Lines Cut by a Transversal
For the parallel lines cut by a transversal, the following properties hold true:
Two lines cut by a transversal line are parallel if the corresponding angles so formed are equal. In general, the corresponding angles are in relative positions and lie along the same side of the transversal.Two lines cut by a transversal line are parallel if the alternate interior angles so formed are equal. In general, the pairs of the alternate interior are found in the inner side but lie on the opposite sides of the transversal.Two lines cut by a transversal line are parallel if the alternate exterior angles so formed are equal. In general, the pairs of alternate exterior angles are found on the outer side but lie opposite each other.As,
angle 3 = angle 1 (Corresponding angle)
angle 3 = angle 6 ( alternate interior angle)
angle 3= angle 8 (vertically opposite angle)
But there is no relation between angle 3 and angle 2.
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The population of a city grew from 43,209 to
45,687 in just five years. What was the percent
increase in the population to the nearest whole
percent?
Answer:
5 percent or 5.7349percent
divide 43209 by 45687 and get 1.0573491 subtract one
and get 0.0573491 make into a percentage 5.7percent depending on where you need to round.
A large bucket of 200 golf balls is divided into 4 smaller buckets. How many golf balls are in each small bucket?
Answer:
50 golf balls
Step-by-step explanation:
200/4 is 50. I did that because it says the golf balls are DIVIDED into 4 smaller buckets.
To check the answer you do 50 times four.
Answer:
50 in each small bucket
What conclusions can you draw from the graph?
Answer:
My best conclusion (simply put) is that you had a higher score than the average class.
Step-by-step explanation:
It obvious that the green dots is above the averages of both bars. It would be safe to think that you scored higher than the average of the entire class in both predictions and parabolas.
Ray bought a bag of candy for trick or treaters
with peppermints and chocolate. The bag included a
total of 90 candies, and 70% of them were
chocolate. How many chocolates did she get?
Answer:
She got 63 chocolates.
Step-by-step explanation:
write an integer to represent the situation. A deposit of $245
Answer:
+265
Step-by-step explanation:
a sum of money placed or kept in a bank account, usually to gain interest.
So basically your saving money instead of losing by, keeping it in the bank safely.
helppp whats number 1 A B and C?!
Answer:
A=-4/3
B=1/5
C=-5/4
Step-by-step explanation:
Suppose Carla has $7000 to invest. Which investment yields the greater return over 4 years: 7% compounded quarterly or 6.85% compounded monthly?
a. They are the same.
b. The rate of 7% compounded quarterly is better.
c. The rate of 6.85% compounded monthly is better.
Answer:
The correct answer is B. The rate of 7% compounded quarterly is better.
Step-by-step explanation:
In the case of investment at 7% compounded quarterly, the final result after 4 years of investment arises from the following calculation:
X = 7000 x (1 + 0.7 / 3) 4x3
X = 9,232.16
Therefore, after 4 years of investment, the amount in the account would be $ 9,232.16.
In turn, in the case of the investment at 6.85% compounded monthly, the final result after the same investment period arises from the following calculation:
X = 7000 x (1 + 0.685 / 12) 4x12
X = 9,199.33
Thus, in this case, the amount in the account after 4 years of investment would be $ 9,199.33.
Arianna is packing scented candles and candle holders into gift boxes. She has 84 candles and 48 holders, and each box must contain both items. She puts the same number of candles in each box, and the same number of holders in each box. What is the maximum number of gift boxes Arianna can pack, and how many scented candles and candle holders will each box have?
A.
4 boxes; 21 scented candles and 12 candle holders
B.
6 boxes; 14 scented candles and 8 candle holders
C.
12 boxes; 7 scented candles and 4 candle holders
D.
24 boxes; 3 scented candles and 2 candle holders
The answer is A
Hope this helps!
-(-13)+(-4)-(-9)+(7)-(-10)-(-8)=
Answer:
Tthe answer is 43
Step-by-step explanation:
−(−13)−4−(−9)+7−(−10)−(−8)
=13−4−(−9)+7−(−10)−(−8)
=9−(−9)+7−(−10)−(−8)
=18+7−(−10)−(−8)
=25−(−10)−(−8)
=35−(−8)
=43
Answer:
43
Step-by-step explanation:
-(-13)+(-4)-(-9)+(7)-(-10)-(-8) = 43
I need help with some math problems, thank you
Answer: segundo
Step-by-step explanation:
Please answer fast
7. Is the simplified form of 2 square root of 3 · square root of 12 rational? (1 point)
Yes
No
Answer:
Yes it is
Step-by-step explanation:
Because
2) x (sqrt 3) times (sqrt 12)
Two is also equivalent to sqrt of 4. The operation may be expressed as,
(sqrt 4) x (sqrt 3) x sqrt (12)
The product is sqrt (144). This gives an answer of 12 and it is rational.
So, the answer is Yes!
Hope this helped! :)
May i have brainliest!
Answer:
Yes it is
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.
12 is the answer and 12 is a rational number
Radicand = The number under the inclusion bar of the radical sign.
Product = The result of two numbers being multiplied together.
Factor = One of two or more expressions that are multiplied together to get a product.
The distance an object falls is directly proportional to the square of the time it falls. A ball falls 144 feet in 3 seconds. How far will an object fall in 4 seconds?
Answer:
d = 256 ft.
Step-by-step explanation:
The distance an object falls is directly proportional to the square of the time it falls.
First, we name the variables.
Let d= the distance.
t= time
Write the formula for direct variation, where y varies directly with the square of x.
y=kx2
We will use d in place of y and t in place of x.
d=kt2
Substitute the given values for the variables.
d=144whent=3144=k⋅32
Solve for the constant of variation.
144916=k⋅99=k
Write the equation that relates d and t.
d=kt2
Substitute in the constant of variation.
d=16t2
Find d when t=4.
Write the equation that relates d and t.
d=16t2
Substitute the given value for t.
d=16⋅42
Simplify.
d=256
An object will fall 256 feet in 4 seconds.
The required distance fall by fall in 4 seconds is 192 feet.
Given that,
The distance an object falls is directly proportional to the square of the time it falls. A ball falls 144 feet in 3 seconds, how far will an object fall in 4 seconds is to be determined.
In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication, and division.
here,
The rate of fall of the ball = 144 / 3
= 48 feet second
Now distance fall by the ball in 4 seconds = 48 * 4 = 192 feets.
Thus, the required distance fall by fall in 4 seconds is 192 feet.
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What is the opposite of -(-24)?
Answer: 24
Step-by-step explanation: negative multiples by a negative is a positive
The opposite of -(-24) is -24.
What is additive and multiplicative inverse ?A number is additive inverse of a given number when sum of the two number is zero and a number is a multiplicative inverse of a given number when product of two number is 1.
According to the given question statement we have to determine what is opposite of -(-24).
We know opposite of two numbers sums to zero.
Given -(-24). ( negative signs will distribute and it'll become 24).
Let the opposite number be x.
∴ 24 + x = 0
x = -24.
So the opposite of -(-24) is - 24.
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4(11 + 7) ÷ (7 – 5) Simplify the expression.
Answer:
36
Step-by-step explanation:
Answer:
19.2
Step-by-step explanation:
Use distributive property: 11+28 / 7-5
Add: 11+28 ( 39 ) Subtract: 7-5 ( 2 )
Divide: 39/2 ( 19.2 )
Btw the biggest garden is the rectangular garden
WILL GIVE BRAINLIEST IF CORRECT
Answer:
A.true)
Step-by-step explanation:
Hope this helps!
Riley needs to save at least $150 for a new phone. She has already saved $80. If she can
set aside $14 each week, how many weeks does she need to save money before she can
purchase the phone she wants?
HELP!!!
Answer:
5
Step-by-step explanation:
Since Riley has already saved 80 dollars and she needs to save 150 dollars.
150-80=70
She earns 14 dollars per week:
70/14=5
I also wrote a equation:
(150-80)/14=x
Hope this was helpful!
A certain fraction is greater than 2. The denominator is 8. What must be true about the numerator?
Answer:
The numerator must be greater than 16
Step-by-step explanation:
We are told that a certain fraction is greater than 2. Thus, if the numerator and denominator are x and y respectively, then we have;
x/y > 2
We are further told that the denominator is 8.
Thus;
x/8 > 2
Multiply both sides by 8 to give;
x > 16
Thus,the numerator must be greater than 16.
A plane took off at a 15° angle to the ground and flew in Sydney’s direction. She is standing at a point 25 miles from the point where the plane took off. If the plane has traveled 20 miles in the air, about how far is Sydney from the airplane? Round your answer to the nearest whole number.
Answer:
8 mi
Step-by-step explanation:
Answer:
The answer is A
Step-by-step explanation:
I just did it on edge and got it right.
Enter the correct answer in the box.
This graph represents a transformation of the parent cube root function.
Answer: h is 5 and k is 2
Step-by-step explanation:
The equation of the transformed of the parent cube root function is
y = ∛(x-4) - 1.
How to know if a point lies in the graph of a function?All the points (and only those points) which lie on the graph of the function satisfy its equation.
Thus, if a point lies on the graph of a function, then it must also satisfy the function.
The given graph represents a transformation of the parent cube root function.
The Parent cube root function is
y = ∛(x -h) - k
where the value of h and k is equal to 0
h=0, k=0 in parent function
The graph changes direction at (0,0) in parent function.
From the given graph we can see that the graph changes direction at (4,-1) which means the graph is shifted 4 units to the right and 1 unit down
So, the value of h=4 and value of k=1
The equation of the transformed function,
y = ∛(x-4) - 1
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Erasers cost 45 cents a piece. Notebooks cost 90 cents a piece . Karla spent $18 for a total of 28 erasers and notebooks . How many did she buy ?
Answer:
12 Notebooks And 16 Erasers
Step-by-step explanation:
Let x represent the number of notebooks and y represent the number of erasers. (x+y=28) Then, input the cent numbers into the equation. (90x+45y=1800) The 1800 represents the amount of dollars spent. Then simplfy the equation, which gives you 12 notebooks and 16 erasers.
You can replace any letter in function notation with any number.
A.
True
B.
False
Can somebody please help me with this please
Answer:
equilateral for the first one scalene for the second one scalene for the third one equilateral for the fourth one
Step-by-step explanation:
what are the slopes the these graphs ? PLEASE ANSWER
Answer:
9. -3/4
10. -5/1
11. UNDEFINED
12. 2/3
Answer:
9. -3/4
10. -5
11. undefined
12. 2/3
Step-by-step explanation:
9x minus 10 = 3x + 2
i√5
Find the square of the imaginary number.
Answer:
= [tex]-\sqrt{5} i[/tex]
Step-by-step explanation:
First, reorder the terms:
[tex]\sqrt{5} i[/tex]
Then, find the complex conjugate (a pure imaginary number is its opposite):
[tex]-\sqrt{5}i[/tex]
Solve Sec(2x)-4=0 for the first two positive solutions. thanks!
sec(2x) - 4 = 0
sec(2x) = 4
1 / cos(2x) = 4
cos(2x) = 1/4
2x = cos⁻¹(1/4) + 2nπ or 2x = -cos⁻¹(1/4) + 2nπ
(where n is any integer)
x = 1/2 cos⁻¹(1/4) + nπ or x = -1/2 cos⁻¹(1/4) + nπ
The first two positive solutions occur for n = 0 in the first family of solutions, and for n = 1 in the second family, so
x = 1/2 cos⁻¹(1/4) or x = π - 1/2 cos⁻¹(1/4)
x ≈ 0.659 or x ≈ 2.483
h(x) = x2 + 3x - 2; 12 - h(7)
Solve