Answer:
Biosphere 2 is a unique facility that allows scientists to research ecosystems and environmental effects in a controlled environment. The controlled environment of the biosphere allows researches to obviate uncontrolled variables that might have an unintended effect on their research. This allows for specific hypothesis about the environment to be tested with a higher degree of certainty. They can study how the ecosystem is affected when there are artifically induced limiting factors. The ability of the scientists to control factors in the ecosystem lets them model almost any environment on earth.
XZ is the perpendicular bisector of segment WY. Solve for k. Enter a NUMBER only.
Can someone explain me to me how to solve this
Answer:
4/10 or simplified to 2/5
Step-by-step explanation:
when dividing fractions by a whole number, you want to imagine the whole number as a fraction. which would be 2/1. So you want to use the reciprocal of 2/1 which is 1/2. Then you multiple 4/5 by 1/2 which is 4/10 or simplified to 2/5 hope this helps :)
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Answer:
Step-by-step explanation:
Password
What is 25% of 2,000
Answer:
500
Step-by-step explanation:
= (25/100)*2000
= (25*2000)/100
= 50000/100 = 500
Step 1: In the given case Output Value is 2000.
Step 2: Let us consider the unknown value as x.
Step 3: Consider the output value of 2000 = 100%.
Step 4: In the Same way, x = 25%.
Step 5: On dividing the pair of simple equations we got the equation as under
2000 = 100% (1).
x = 25% (2).
(2000%)/(x%) = 100/25
Step 6: Reciprocal of both sides results in the following equation
x%/2000% = 25/100
Step 7: Simplifying the above-obtained equation further will tell what is 25% of 2000
x = 500%
Therefore, 25% of 2000 is 500
EASY QUESTION I'LL GIVE BRAINLYEST WHOEVER ANSWERS FIRST!!!
(−4 5) How many units between (−4 3).
Answer:
2 units i think im brain ded so ?
Step-by-step explanation:
Dedra polled people at the mall to determine which types of movies
they preferred to watch. She displayed the results in a circle graph.
Of the people polled, 120 preferred to
to watch action movies. Use this information and
the graph to answer these questions.
a) What is the total number of people
Dedra polled?
The total number of people Dedra polled is 400.
Given,
Number of people preferred to watch action movies = 120
We have to find the total number of people Dedra polled:
According to the given circle graph:
Percentage of people preferred to watch action movies = 30%
Now,
The total number of people polled = x
Then,
30% of x ix 120.
So,
x = (120 × 100) / 30
x = 4 × 100
x = 400
Therefore the total number of people Dedra polled is 400.
Lets check the others also:
Comedy: 35%
∴ (400 × 35) / 100 = 4 × 35 = 140
140 people preferred to watch comedy movies.
Drama: 20%
∴ (400 × 20) / 100 = 4 × 20 = 80
80 people preferred to watch drama movies.
Fantasy: 10%
∴ (400 × 10) / 100 = 4 × 10 = 40
40 people preferred to watch fantasy movies.
Horror: 5%
∴ (400 × 5) / 100 = 4 × 5 = 20
20 people preferred to watch horror movies.
The total number of people Dedra polled is 400
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9 + 4(x + 2) - 3x
Select the term that best describes "3" in the given expression.
ОА.
constant
OB. exponent
O C. variable
OD.
coefficient
Answer:
OD
Step-by-step explanation:
OD
Write the slope intercept form of the equation of the line through the given point with the given slope
Through: (-5,3), slope=-3/5
Given that,
Point = (-5,3)
Slope, m = -3/5
To find,
The slope intercept form of the equation of the line.
Solution,
The general form of equation is :
y = mx +b
We have, x = -5, y = 3
So,
[tex]3=\dfrac{-3}{5}(-5)+b\\\\3=-3+b\\\\b = 6[/tex]
The equation is :
[tex]y=\dfrac{-3}{5}x+6[/tex]
Hence, the required equation is [tex]y=\dfrac{-3}{5}x+6[/tex].
Construct a viable argument. Mr. Allen has $149
in his checking account. He wants to write a check
for $169 to pay a bill. Is this a good idea? Why or
why not? Use addition of integers in your
explanation.
Not possible to pay the bill
• Addition of integers is the process for finding out the sum of more than two variables. There may be an increase or decrease in value, depending on whether the integers are positive or negative or a mixture
• Addition in mathematics is one out of the four basic mathematical operations used for adding of two numbers.
Rules for addition of integers
• The sum of an integer and its additive inverse is 0.
• Addition of two positive integers always result in a positive value that is always greater than both the integers.
• Adding two negative values always result in a positive value what is smaller than the given numbers.
• Adding 0 to any numbers results the same number.
Mr Allen has $149 in his account and he need to write a check of $169 . It is not possible because 149 < 169 , he must have money more than or equal to $169 for paying the bill.
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Barack wants to buy 15 tickets to take his friends to a play. The tickets cost $2.50 each. How much will all the tickets cost together?
Answer:
37.50
Step-by-step explanation:
if you multiply 2.50 to 15 you get 37.50
Answer:
37.50
Step-by-step explanation:
The theater has 9 chairs in a row and there are 4 rows there are 36 chairs and for an upcoming show, the theater needs to have 4 times as many chairs, they are able 3 more chairs to each row and they can add as many rows as you want and how many rows do they need if they need 144 chairs
Answer:
the answer is 118
Step-by-step explanation:
so you basically want to add the numbers first but not 144 you want to see if those numbers add up to 144 or if its not enough, then you will need to subract 46 and 144 for get your answer! Btw if this is wrong im sorry but i hope it helps you.
Find the measures of the numbers angles in each rectangle
Answer:
m<1 = 60°
m<2 = 30°
m<3 = 90°
Step-by-step explanation:
Recall some properties of Rectangle. Thus:
The four angles of a rectangle are right angles = 90° each.
Opposite sides of a rectangle are also parallel to each other.
With the knowledge of these, we can solve for angles 1, 2, and 3.
Thus:
m<1 = 60° (alternate interior angles are congruent)
m<2 + m<1 = 90° (complementary angles)
m<2 + 60° = 90° (substitution)
m<2 = 30° (substraction property of equality)
m<3 = 90° (angle of a rectangle)
What are the real and imaginary parts of the complex number?
10−7i
The real part:
The imaginary part:
Answer:
Real: 10
Complex: -7i
Step-by-step explanation:
i is imaginary.
The real part of the complex number is 10 and the imaginary part of the complex number is -7i.
What is complex number?The complex number is of the form a+ib where a and b are real numbers.
The given number is 10-7i.
Compare the given number with a+ib and determine the values of a and b.
a=10
b=-7
In the complex number, a+ib the real part is a and b is the imaginary part.
So, the real part of the given number is 10 and the imaginary part is -7i.
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Here is another one
5. 1 4/5 × 15
Answer:
27 i think
Step-by-step explanation:
SAY SAUSAGE KEEP IT GOIN' EGGS BACON GRITS
SAY SAUSAGE KEEP IT GOIN' EGGS BACON GRITS SAUSEGE thanks for the points :D
how would you factorise 3y + 12
Answer:
lol it so easy man 3(y+4) is the answer
Find x and y, i only need the answer so no need to show work
Answer:
x = 26
y = 92
Step-by-step explanation:
4x - 16 = 3x + 10
x = 26
y = 180 -88
y = 92
(HELP ME EXTRA POINTS )John just hired a new employee to work in your bakeshop. In one day, the employee burned 150
chocolate chip cookies out of 1,000 cookies made. What percent of the day's production, did
John's new employee burn?
Answer:If you want A brainly go subscribe to this youtubr channel Florida_kik
Step-by-step explanation:
Answer:
15%
1000* 15% = 150
Step-by-step explanation:
150 : 1000 = x : 100
(150 * 100) / 1000
15000/1000 =
15
For the line that passes through the points (0, 2) and ((6, 0), the xintercept is what the y-intercept is what
Answer:
x int = 6
y int = 2
Step-by-step explanation:
In the parallelogram below, x = [? ] 6x-57 3x+3
The value of x is 20
What is a parallelogram?A parallelogram is a quadrilateral with equal opposite sides
Since the opposite sides of a parallelogram are equal, then the following equation is true
[tex]6x - 57 = 3x + 3[/tex]
Divide through by 3
[tex]2x - 19 = x + 1[/tex]
Collect like terms, in the above equation
[tex]2x - x = 19 +1[/tex]
Evaluate the like terms
[tex]x = 20[/tex]
Hence, the value of x is 20
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The school band has 8 trumpet players and 10 flute players. The ratio of trumpeters to flutists is 4 to what number?
Answer= 5 flute players
The coordinates of points A and B are A (-10,-8) and B (80, 37). Which are the
coordinates of a point that partitions segment AB in a ratio of 4:5?
Given that,
The coordinates of A = (-10,-8)
The coordinates of B = (80,37)
To find,
The coordinates of a point that partitions segment AB in a ratio of 4:5.
Solution,
Let the coordinate of required point is (x,y). We can use section formula to find it as follows :
The section formula is :
[tex](x,y)=(\dfrac{m_2x_1+m_1x_2}{m_1+m_2},\dfrac{m_2y_1+m_1y_2}{m_1+m_2},)[/tex]
We have,
m₁ =4, m₂ = 5, x₁ = -10, x₂ = 80, y₁ = -8, y₂ = 37
Using all the values,
[tex](x,y)=(\dfrac{5(-10)+4(-10)}{4+5},\dfrac{5(-8)+4(37)}{4+5})\\\\=(-10,12)[/tex]
So, the required point in which AB is divided is (-10,12)
Answer:
Top Right
Step-by-step explanation:
Solve the equation for X
X^2 = 36/324
Answer:
X = 1/3 or X = -1/3
Step-by-step explanation:
Solve for X over the real numbers:
X^2 = 36/324
36/324 = 1/9:
X^2 = 1/9
Take the square root of both sides:
Answer: X = 1/3 or X = -1/3
Dieciocho centésimas a números
Answer:
.18
Step-by-step explanation:
Are the two triangles in the image similar? ASAP
Answer:
Yes, they are
Step-by-step explanation:
180 - 100 = 80
80 - 45 = 35
All angles 100, 45, and 35
Answer:
Yes
Step-by-step explanation:
Triangle QRP is missing angle R, which is 35 degrees and triangle TUS is missing angle S, which is 45 degrees. The two triangles have the other missing angle.
the science club went on a two-day field trip the first day the members pay $50 for transportation plus $12 per ticket to the Planetarium the second day they paid $100 for transportation plus $9 for tickets to the geology Museum write an expression to represent the total cost in dollars for two days for the end members of the club and expression that represents the total cost in dollars for two days for the end members of the club is given
Answer:
y=50+12x y=100+9x
Step-by-step explanation:
Which of the following series is equal to the repeating decimal 0.353535…?
ANSWERS
1.C
2. 0.35.
3. 0.01
4. 35/99
Answer: 2.
Step-by-step explanation: This is because 35 is repeating forever.
A cashier at the local bank expected to serve 12 customers every hour. In the past 15 minutes he served 4 customers. Assuming that the cashier continues to work at the same rate, will he meet his goal?
Answer: yes
yes
Step-by-step explanation: he will do more than his goal because 4x3=12 and 15x3= 45
Explain why (y - 7)/(x - 5) = 2/6
Step-by-step explanation:
The given equation is :
[tex]\dfrac{y-7}{x-5}=\dfrac{2}{6}[/tex]
or
[tex]\dfrac{y-7}{x-5}=\dfrac{1}{3}[/tex]
Cross multiplying both sides:
[tex]3(y-7)=x-5\\\\3y-21=x-5\\\\3y-x=21-5\\\\3y-x=16[/tex]
The simplified equation is 3y-x=16.
Segment addition.........
Answer:
The answer is 2
Step-by-step explanation:
because if you can add the 9 and the 4 you will get 13 and you subtract 13 from 11 and you get 2.I hope that helps
Answer:
16Explanation:NO=4NP=11MO=9MP=?MO=MN+NO9=MN+4MN=9-4=5NP=NO+OP11=4+OPOP=11-4OP=7MP=MN+NO+OP=5+4+7=16HOPE IT HELPS