Answer:
a control group is not used
I need these questions done. I'm lost. And all my points are gone pls help............................................................................
Answer:
Step-by-step explanation:
(x+1)(x+6)/(x+1) = x + 6
(x-19)(x+2)/(x+2)= x - 19
(x-8)(x-2)/(x-2)= x - 8
Answer:
x+6 x-19 x-8 from top to bottom
Step-by-step explanation:
Hope this helps give brainliest if you can
y= mx(slope)+b(y intercept)
Answer:
y = 5/6x + 1
Step-by-step explanation:
rise over run method:
if you count up and across from the first yellow point to the second, you get 5 up 6 across making the slope 5/6
it is positive because it goes up
the y intercept is 1
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If £2000 is placed into a bank account that pays 3% compound interest per year,
how much will be in the account after 2 years?
Answer:
£2,121.8
Step-by-step explanation:
Given the following;
Principal P = £2000
Rate r = 3%
Time t = 2 years
n = 1 (time of compounding)
Using the compound interest formula;
A = P(1+r)^t
A = 2000(1+0.03)^2
A = 2000(1.03)^2
A = 2000(1.0609)
A = 2,121.8
hence the amount that will be in his account after 2 years is £2,121.8
Please help me ill give you brainliest I just got it wrong
I need help with both but if u only know one answer it fine but no links please
Answer:
1.20%
2.Negative association
Step-by-step explanation:
1. There are 4 movies that are dramas with love interest out of 20 movies.
[tex] \frac{4}{20} = 0.2[/tex]
or 20%.
2. In the scatter plot, as x increases, y decreases so that means we have a negative correlation.
1. A train travels at a speed of 48.6 km/h. Express this speed in
(ii) cm/min.
(1) m/s,
Answer:13.5/m/sin
Cm/min=81000cm/min
Step-by-step explanation:
What is the measure of angle Q?
A. 27°
B. 33°
C. 40°
D. 120°
Answer:
27 degrees ( option A)
Step-by-step explanation:
It is the only option that is smaller than 33 degrees, (which is because SRT ~ PQB) and it is dilated by a fraction
Answer:
q=33
Step-by-step explanation:
is the correct answer because we can see that r=q
Kate bought a house for 198,000 and then sold it for 230,000 when you’re later. What is the profit as a percentage?
Answer:
16.16%
Step-by-step explanation:
calculate the percent change
PLEASE ASAP I NEED HELP ON THIS PROBLEM
Answer: to be true I don't understand this
Step-by-step explanation:
help I will follow and give 5 stars and mark u as brilliant
a = 7
Answer:
b= 7 * (1 + 8)
Step-by-step explanation:
hope it helps
List all number from the given set that are: real number, whole number, integers, natural number, rational numbers and irrational number
(-3, -2/7,0,0.75, square root of 5,2.6, square root of 36)
The height of a cylinder is decreasing at a constant rate of 1 centimeters per minute, and the volume is decreasing at a rate of 2341 cubic centimeters per minute. At the instant when the height of the cylinder is 1010 centimeters and the volume is 577 cubic centimeters, what is the rate of change of the radius? The volume of a cylinder can be found with the equation V=pi r^2 h. Round your answer to three decimal places.
Let's organize our given information.
[tex]\frac{dh}{dt}=-1[/tex]
[tex]\frac{dV}{dt}=-2341[/tex]
[tex]\frac{dr}{dt}=?, h=1010, V=577[/tex]
[tex]V=\pi r^2h[/tex]
What I'd like to do is solve for [tex]r[/tex] first, it'll help later.
[tex]577=\pi r^2(1010)[/tex]
[tex]r=\sqrt{\frac{577}{1010\pi}}[/tex]
[tex]r=0.426[/tex]
Now, we can differentiate our formula for the volume of a cylinder to find the rate of change of the radius.
[tex]V=\pi r^2h[/tex]
Use the product rule of differentiation.
[tex]\frac{dV}{dt}=2\pi rh\frac{dr}{dt}+\pi r^2\frac{dh}{dt}[/tex]
Plug in the information we are given.
[tex]-2341=2\pi (0.426)(1010)\frac{dr}{dt}+\pi (0.426)^2(-1)[/tex]
Solve for [tex]\frac{dr}{dt}[/tex].
[tex]-2341=860.52\pi\frac{dr}{dt}+(0.426)^2\pi[/tex]
[tex]-2341.57=860.52\pi\frac{dr}{dt}[/tex]
[tex]\frac{dr}{dt}=-0.866[/tex]
The rate of change of the radius is -0.866 centimeters per minute.
Hope this helps!
Zeros of the function of x = -6, and x = -2
Answer:
Step-by-step explanation:
If x=(-2,-6) are zeros of the function y then
y=(x+2)(x+6) which expands to
y=x^2+8x+12
what is the solution to the quantity?
15<4=x
A.x>11
B.x<19
C.x>19
D.x<11
Answer:
[tex]x < -11[/tex]
Step-by-step explanation:
Given
[tex]15 < 4 - x[/tex]
Required
Solve
[tex]15 < 4 - x[/tex]
Collect Like Terms
[tex]15 - 4 < -x[/tex]
[tex]11 < -x[/tex]
Divide both sides by -1
[tex]11/-1 <-x/-1[/tex]
[tex]-11 > x[/tex]
Swap their positions
[tex]x < -11[/tex]
Determine the values of the variables that will prove the figures similar
Will make brainliest answer!!!!
If f(x) = 2(3x) + 1, what is the value of f(2)?
Demi is working on a presentation about a famous mathematician for her math class. She decides to make
her poster in the shape of a plus sign.
20 in
12 in
12 in
20 in
What is the total area of Demi's poster?
Answer:
1360 would be your answer
Step-by-step explanation:
Solve 4 5/6 + 9 5/9 for the answer
Answer:
259 /18 = 14 7/18 ≈14.389
Step-by-step explanation:
Help plz:)))I’ll mark u Brainliest 0-o
Answer:
1) x=50
2) x=25
3) Option 2 is correct
Step-by-step explanation:
1) 20/20=x/50
x=50
2) 20/40=x/50
x=25
3) Option 2 is correct
PLS PLS PLSSSSSSSS HELP
Answer:
Step-by-step explanation
2.6% mass will be decreased from the pumpkin
Answer: 40%
Step-by-step explanation:
6.5-3.9 = 2.6 This is amount lost
2.6/6.5 = 0.4 This is percentage lost
0.4 = 40%
cuánto es 2/4
[tex]2 \div 4[/tex]
Answer: 1/2 o .5
Step-by-step explanation:
Answer: 2/4 = 0.5
Espero que ayude
f(x) = 3x^4 + 19x^3 + 69x^2 + 99x + 26
a) Use the Rational Zeros Theorem to list all the possible rational zeros of f(x). List all possible zeros.
b) Use synthetic division and the possible rational zeros above to obtain the FIRST zero. What is the first zero you used? Show the steps used using synthetic division that you
used to arrive at the answer.
c) Use synthetic division and the possible rational zeros to obtain the SECOND zero. What was the second zero you used? Show the steps used using synthetic division that
you used to arrive at the answer.
d) Find the remaining zeros by using factoring, the square root property, or the
quadratic formula.
e) List all the zeros
Show all the work
Answer:
sorry
Step-by-step explanation:
Match the coordinates with the points on the coordinate plane
Answer:
Step-by-step explanation:
[tex](-2\frac{1}{2},3\frac{1}{2})[/tex]
Since, x-coordinate is negative and y-coordinate is positive, point will lie in the 2nd quadrant.
Answer is point P.
(-3, 6)
Point L represents the given coordinates.
[tex](-4\frac{1}{2},2)[/tex]
Point P represents the given coordinates.
[tex](2\frac{1}{2},2\frac{1}{2})[/tex]
Since, x and y coordinates are positive, point will lie in the 1st quadrant.
Point Q represents the given coordinates.
[tex](-1\frac{1}{2},-3\frac{1}{2})[/tex]
Since, both x and y coordinates are negative, point will lie in the 3rd coordinate.
Point R represents the given coordinates.
What’s the area? For this
to figure out the area you have to use the formula 1/2 base times height.
plz help me ASAP PLZ
Answer:
Supplementary angles add to 180 degrees.
Angles of a triangle add to 180 degrees.
So, the angles of this triangle are 2x, 3x, and 70.
This means we can have the equation: 5x+70=180, and 5x=110, meaning that x=22
Let me know if this helps!
Answer:
22
Step-by-step explanation:
So first things first we want to find the angle on the bottom right
That angle is supplementary to the one that is equal to 110 meaning that together they will add up to equal 180
180-110=70
We know that the angles of a triangle will add up to equal 180 so we set up an equation
180=70+2x+3x and solve for x
step 1 combine like terms
2x+3x=5x now we have
180=70+5x
step 2 subtract 70 from each side
180-70=110
70-70 cancels out
now we have
110=5x
step 3 divide each side by 5
110/5=22
5/5 cancels
x=22
so we can conclude that x=22
The1AndOnlyMarkus
I need help ASAP will mark you the brainliest
Answer:
B
Step-by-step explanation:
<DCE = BCA (vertical angles are congruent)
DC corresponds to CB,
DC/CB = 15/5 = 3
EC corresponds to CA,
EC/CA = 12/4 = 3
Thus, two sides in ∆ABC are proportional to two corresponding sides in ∆EDC, and also, the included angle in ∆ABC and ∆EDC are congruent to each other. Therefore, based on the SAS Similarity Theorem, ∆ABC and ∆EDC are similar.
A motorboat is still install water travels at a rate of 45 miles per hour The current today is travelling at a rate of 10 miles per hour if it took an extra hour to travel upstream how far was the trip one way
9514 1404 393
Answer:
157.5 miles
Step-by-step explanation:
We assume the "extra hour" is in relation to the travel time it would take if there were no current.
The relation between time, speed, and distance is ...
time = distance/speed
Then the difference in travel times for the distance d is ...
d/35 -d/45 =1
9d -7d = 315 . . . . . multiply by 315 (the least common denominator)
d = 315/2 = 157.5 . . . . divide by 2
The trip was 157.5 miles one way.
17+21=21+17.is what property
Answer:
commutative property
Step-by-step explanation:
Simplify -9p + 3 + 4p + 7p - 4p - 4p and a picture explanation please.
A line with a slope of 5 passes through the point (6, 12). Write the equation for this line.
Step-by-step explanation:
Given
[tex]slope(m) = 5[/tex]
y-intercept (c) = 12
Now the equation of the line is
y = mx + c
y = 5x + 12
Hope it will help :)❤