Answer:
x=2 or x=−2
Step-by-step explanation:
Let's solve your equation step-by-step.
x2−4=0
Step 1: Add 4 to both sides.
x2−4+4=0+4
x2=4
Step 2: Take square root.
x=±√4
x=2 or x=−2
The bronx zoo opened at 9.00 am. In the first hour 280 people purchased admission tickets. In the second hour 25 percent more people purchased admission people than the first hour . Each ticket cost 16.25. What was the total amount of money paid for all the tickets purchased in the first two hours
Answer:
Total amount paid for tickets in the two hours = $10,237.50
Step-by-step explanation:
Step 1
Ist Hour, 280 tickets were sold at the cost of $16.25
Amount of money made in the first hour= Number of people who purchased ticket x price of a ticket
=280 x 16.25 =$4,550
2nd Hour, 25 % more people purchased ,
which means the total number of people who purchased tickets =
1.25 x 280= 350
Amount of money made in second hour = Number of people who purchased ticket x price of a ticket 350 x 16.25 =$5,687.5
Step 2
Total amount paid for tickets in the two hours = Amount of money made in the first hour +Amount of money made in second hour
=$4,550+ $5,687.5
=$10,237.50
What is the percent of decrease from 70 to 35?
Priya has a recipe for banana bread. She uses 7 1/2 cups of flour to make 5 loaves of banana bread. Andre will follow the same recipe. He will make b loaves of banana bread using f cups of flour.
Q1. How many cups of flour are needed to make 1 loaf of bread?
Answer:
The answer is: One loaf of bread contains one and halve cups of flour.
Answer:
The answer is: One loaf of bread contains one and halve cups of flour.
Step-by-step explanation:
you have a gift card worth $90. You want to but several movies that cost $12 each. Write and solve an inequality that repersents the number of movies you can buy and still have least $30 on the gift card.
Which of the following rational numbers is the largest? 0.9 –89 –212 94
Jenny selects a box of cereal for her family at the supermarket. Across town, Chase also happens to pick out a box of cereal for his own family. Are these two events dependent or independent?
Answer:
Independent
Step-by-step explanation:
In clear and simple terms, Events A and B are sid to be independent if the occurrence of event A and event B can occur simultaneously, that is the occurrence of A does not affect or stop the occurrence of B at the time.
The events being compared can happen concurrently with Jenny and chase both making selection for their respective families. However, events which cannot occur together are called mutually exclusive events such as obtaining a head and tail from a single coin toss, this events cannot happen together and are thus not independent.
plz help this is super duper hard
Answer:
the third one
Step-by-step explanation:
the conjugation is and
Answer:
Roberto walked home alone and thought about his day.
PLEASE ANSWER ASAP !!!!!
Answer: Its C
Step-by-step explanation: Hope this help, have great day
A triangle has a base of 10 centimeters and a height of 12 centimeters. A rectangle has a base of 10 centimeters and a height of 12 centimeters.
What are the areas of the figures?
The area of the triangle is
___ cm2.
The area of the rectangle is
___ cm2.
The area of the triangle is
60 cm2.
The area of the rectangle is
240 cm2.
In a two-dimensional plane, an area of triangle is equal to the sum of the areas of its three sides.
To calculate a rectangle's area, count the number of square units that fit within the rectangle's perimeter.
Area of triangle = h x b / 2
Given
h = 12
b =10
hence
A= h x b / 2
= 12 x 10 / 2
= 120 / 2
= 60 cm2
Area of rectangle = l x b
Given
l = 12
b = 10
hence
area of rectangle = l x b
= 12 x 10
= 120 cm2
Learn more about the area of rectangles and triangles - https://brainly.com/question/25292087
the answer is 60 and 120
Type the correct answer in the box.
The product of (3 - 4) and (blank)
is 25.
Answer:
-25
Step-by-step explanation:
Since product mean multiply, we multiply (3-4) and (blank), which we'll call "n".
(3-4)n = 25
subtract in parentheses
(-1)n = 25
remove parentheses
-1n = 25
swap signs
n = -25
What is the value of x?
30°
130
to
Answer:
20
Step-by-step explanation:
Most likely this is a triangle triangle have 180 always
6x² + 4x / 6x² + 13x + 6 ( please show work )
Answer:
her friends n her mom hate me lay down on da bed n do da crybaby
Step-by-step explanation:
Please help quickly!!!!
Answer:
x=13
Step-by-step explanation:
109-5=104
104/8=13
x=13
A square is cut diagonally into two equal parts. If each part has an area of 50 cm2, then what is the perimeter of each part?
Answer:
30cm
Step-by-step explanation:
Given data
When are square is cut diagonally into two parts
The resulting shape is a triangle
hence the area of the square = 50+50 = 100cm^2
The length of each side of the square = √100= 10cm
likewise the diagonal of the square = 10cm
Hence the perimeter of the resulting triangle= 10+10+10= 30cm
Which phrase represents the expression 7x + 2?
a. seven times two plus a number
b. two times a number plus seven
c. two less than a number multiplied by seven
d. a number multiplied by seven then added to two
Answer:
D should be the correct answer:) hope this helps:))
The phrase represents the expression 7x + 2 is the number multiplied by seven then added to two, So Option D is correct
What are expressions?
An expression is a sentence with at least two numbers or variables having mathematical operation. Math operations can be addition, subtraction, multiplication, division.
For example, 2x+3
Given that,
An expression,7x + 2
here, 7 is coefficient
x is variable
And then in 7x, constant number 2 is added
So it can be state that a number multiplied by seven then added to two
So, the statement is 7 multiplied in number then 2 is added
To know more about Expressions check:
brainly.com/question/16804733
#SPJ5
please help
solve this but don't spam
Jon is hitting baseballs. When he tosses the ball into the air, his hand is 5 feet above the ground. He hits the ball when is falls back to a height of 4 feet. The height of the ball is given by h(t)=5+25t-16t^2, where t is the time in seconds.
a) How much time will pass before Jon hits the ball? (round to the nearest tenth of a second)
b) What is the time in which the maximum height the ball attains? ( to the nearest hundredth of a second)
Answer: A= 1.60 sec
And I am not sure if B is correct, but I got 14.77 ft.
Step-by-step explanation:
Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.
We have Jon who is hitting baseballs. When he tosses the ball into the air, his hand is 5 feet above the ground. He hits the ball when is falls back to a height of 4 feet. The height of the ball is given by -
h(t) = 5 + 25t - 16t²
where [t] is the time in seconds.
[A] -
At h = 4ft, we can write -
4 = 5 + 25t - 16t²
- 16t² + 25t + 1 = 0
On solving, we get -
t = 1.602 seconds
[B] -
We have -
h(t) = 5 + 25t - 16t²
For maximum height -
dh/dt = 0
d/dt(5 + 25t - 16t²) = 0
0 + 25 - 32t = 0
32t = 25
t = 25/32
t = 0.79 seconds
Therefore -
t = 1.602 seconds will pass before Jon hits the ball.At t = 0.79 seconds the ball attains maximum height.To solve more questions on Equation Modelling, visit the link below -
brainly.com/question/14441381
#SPJ2
Please help thank you so muchhhh
Answer:
if you download PHOTOMATH on your phone. all you have to do is take a picture of it. and it gives you the answer and the work. trust me
Answer:
c.) f(x) = (x +2)² –4
Step-by-step explanation:
We can test values in the equation selected from points on the graph. (-4,0)x intercept. (-2,-4)vertex
0 = (-4 +2)² -4
0 = (-2)² -4
0 = 4 - 4 true
-4 = (-2+2)² -4
-4 = 0² -4. True again.
answer x is a good choice.
Also find the axis of symmetry by calculating –b/2a
If there are 6 boys and 54 girls in a room, fill out all of the possible ratios of boys to girls that could be made.
Answer: 9
Step-by-step explanation: We know how many boys there are (6) and girls (54). But we need to fill out all of the possible ratios of boys to girls.
To do that, we divide 54 by 6.
54 / 6 = 9
20 = -B/0.2
What is B?
I need help hurry please.
The answer is,
[tex]b = - 4[/tex]
IS THIS CORRECT PLEASE
Answer:
I honestly forgot
Step-by-step explanation:
question down below(its two files)
Answer:
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Step-by-step explanation:
A right triangle has legs with lengths of 6in and 8in. What is the length of the hypotenuse
Answer: 10
Step-by-step explanation:
the formula is √a^2+b^2=c^2
so your equation should look like this √6^2+8^2=c^2
6·6=36
8·8=64
√36+64
√100=10
the hypotenuse or c^2 is 10
2.3 + 3(5 - 2.1p) = -13.37
The answer is,
[tex]p = 4.868254[/tex]
which is near to, 4.9.
seventy four point three times five point four
401.22
Hope this helps!
May I have brainliest please? :D
Answer:
401.22
Step-by-step explanation:
You just regularly multiply.....
GIVING BRAINLIEST Find the solution to the following system using substitution or elimination:
y = 3x – 9
y = –2x + 1
A.
(10, –19)
B.
(2, –3)
C.
(3, –5)
D.
(–2, –15)
Answer:
its B
Step-by-step explanation:
give me brainliest
which set of ordered pairs does not represent a function
a. {(0,0),(1,1),(2,2),(3,3)
b.{(0,0),(1,1),(1,2),(1,3)
c.{(1,0),(2,0),(3,0),(4,0)
d.{(1,0),(1,2),(2,3),(3,4)
Answer: i think C
Step-by-step explanation: Well the X Value would have to change because if you graphed it it would be a straight line going up which wouldnt pass a through a vertical line.
what are the first five terms the sequence: an = 3n + 7
Answer:
Step-by-step explanation:
we assume that we starts with n=1
a(1)=3*1+7=10
a(2)=6+7=13
a(3)=9+7=16
a(4) will be 19, a(5)=22 and so on
c) If a pen and a pencil cost £1.10 for both and the pen
costs £1 more than the pencil, what is the cost of the pen?
Answer:
$3.10
Step-by-step explanation:
An elevator at a hotel is descending as shown in the graph below.
Write a linear function in terms of y=Mx+b to model the situation.
Answer:
y=15/2x+40
Step-by-step explanation:
The slope is 15/2, and the y-intercept is 40.