Answers
Answer:
76
Step-by-step explanation:
A full triangle is 180 *always remember
180-153=27
so r is 27
180-77-27=76
or you could do
77+27+x=180
104+x=180
x=180-104
x=76
Related Questions
Y'all someone pls help me :(
Answers
Answer:
Yes, the table does show a function. First, just by seeing that the y values are the same, this means that this is a perfectly horizontal line. Horizontal lines are functions, but vertical lines aren't. I suppose the ordered pairs are just (-2,5), (0,5), and (3,5)
Line AB contains points A (0,0) and B (2, 2). Line CD contains points C (3, 1) and D (5,3).
Lines AB and CD are (5 points)
O parallel
O perpendicular
O neither
Answers
A map has a scale of 5cm: 12km. If the two cities are 17cm apart on the map what is the actual distance between the cities, to the nearest tenth of a kilometer?
Answers
Answer:
40.8
Step-by-step explanation:
17cm=17/5x5cm
17/5x12=40 4/5=40.8
Answer:40.8 km
Step-by-step explanation: pretty sure, if it’s wrong I’m sorry
Need help thanks .....
Answers
What is the value of x in the solution to the this system of equations:
y=-1/2x + 2
y - 2x = -3
Answers
Answer:
x=2 and y=1
Step-by-step explanation:
hope this helps!
Answer:
x = 2
Step-by-step explanation:
For system of equations, you need to equal them to each other. First, you need to isolate y on one side of the equation in [tex]y - 2x = -3[/tex]
[tex]y = -3 + 2x[/tex]
Now, equal the equations to each other:
[tex]-\frac{1}{2}x + 2 = -3 + 2x[/tex]
Add [tex]\frac{1}{2} x[/tex] to both sides of the equation:
[tex]2 = -3 + (2x + \frac{1}{2}x) = -3 + (\frac{4}{2}x + \frac{1}{2}x) = -3 + \frac{5}{2} x[/tex]
Subtract add 3 to both sides of the equation:
[tex]5 = \frac{5}{2}x[/tex]
Divide [tex]\frac{5}{2}[/tex] on both sides of the equation. Remember: when you divide a fraction, you multiply by the reciprocal. See below:
[tex]\frac{2}{5} * 5 = x[/tex]
[tex]\frac{10}{5} = x[/tex]
[tex]x = 2[/tex]
Check your work:
[tex]-\frac{1}{2}(2) + 2 = -3 + 2(2)[/tex]
-1 = -1
Write an equation for the n th term of the arithmetic sequence 23, 16, 9, 2, ... . Then find a 25
Answers
Answer:
yes u got it right
Step-by-step explanation:
Write equations for the vertical and horizontal lines passing through the point (-9,-4).
Answers
Answer:
for a vertical line the value of x, in this case 9, will never change. this will be true for any value of y. therefore the equction for vertical line line passing through this point is; x=9 likewise, for a horizontal line the value of y, in this case -4 will never change. this will be true for any value of x. therefore the equation for a horizontal line passing through this points is; y=-4
Step-by-step explanation:
hope this helpful and you welcome!
tell me if you have anything to help you with.
can someone help:( if c=5, what is the value of 12-c?
A 5
B 7
D 17
C 60
Answers
So the answer would be 7
Answer:
The answer is b
Step-by-step explanation:
here you go mate'
step 1
12-c equation
step 2
12-(5) insert 5 to the equation
step 3
12+(-5) subtract the numbers
answer
7
mind if i get brainliest?
what is the solution to the equation? 2x−4=6
Answers
A manufacturer of cell phone screens has found that 5 percent of all screens produced have defects. Let pd represent the population proportion of all cell phone screens with a screen defect, therefore pd=0.05. For the sampling distribution of the sample proportion of cell phone screens from this manufacturer with a screen defect for sample size 400, μpˆd=0.05. Which of the following is the best interpretation of μpˆd=0.05 ?
For a randomly selected cell phone screen from this population, the mean number of screen defects for the selected screen will be equal to 0.05.
For a randomly selected cell phone screen from this population, the mean number of screen defects for the selected screen will be equal to 0.05.
A
For every sample of size 400 from this population, the proportion of cell phone screens with a screen defect will be 0.05.
For every sample of size 400 from this population, the proportion of cell phone screens with a screen defect will be 0.05.
B
For all samples of size 400 from this population, the mean number of screen defects for the samples is 0.05.
For all samples of size 400 from this population, the mean number of screen defects for the samples is 0.05.
C
For all samples of size 400 from this population, the mean of all resulting sample proportions of cell phone screens with a screen defect is 0.05.
For all samples of size 400 from this population, the mean of all resulting sample proportions of cell phone screens with a screen defect is 0.05.
D
For all samples of size 400 from this population, the standard deviation of all resulting sample proportions of cell phone screens with a screen defect is 0.05.
Answers
Answer:
For all samples of size 400 from this population, the mean of all resulting sample proportions of cell phone screens with a screen defect is 0.05.
Step-by-step explanation:
College Board
Using the Central Limit Theorem, it is found that the correct option is:
C For all samples of size 400 from this population, the mean of all resulting sample proportions of cell phone screens with a screen defect is 0.05.
By the Central Limit Theorem, for a proportion p in a sample of size n, the mean of the sampling distribution of sample proportions is [tex]\mu = p[/tex], while the standard error is [tex]s = \sqrt{\frac{p(1 - p)}{n}}[/tex
In this problem, the mean of the sampling distribution of sample proportions is 0.05, that is, the mean proportion of all samples, hence, the correct option is C.
A similar problem is given at https://brainly.com/question/16257233
Consider angle θ in Quadrant ll, where cos θ= -12/13. what's the value of sin θ
Answers
Answer:
5/13
Step-by-step explanation:
According to SOH CAH TOA
cos theta = adj/hyp = -12/13
Get the opposite using pythagoras theorem
13^2 = (-12)^2 + opp^2
169 = 144 + opp^2
opp^2 = 169-144
opp^2 = 25
opp = 5
Get sin θ
sin θ = opp/hyp
sin θ = 5/13
hence the value of sin θ is 5/13
There are 82 students going on a field trip. The principal rents
vans, which can each seat II students.
Answers
41
Step-by-step explanation:
2 divided by 82 equals 41
A baseball team played 75 games and lost 20% of them. How many games did the team lose?
015
20
O 55
O 60
Answers
Answer:
15
Step-by-step explanation:
20% is 1/5
75*1/5=75/5=15
Item 3
Question 1
Solve a/−5 > 1. Graph the solution.
Answers
Answer:
: x < 6
Step-by-step explanation:
A scale of the Golden Gate Bridge in San Francisco Bay has
a main span that is 20 inches long. If the main span of the
bridge is 4200 feet long, what is the scale of the model?
Answer: 2520ft
Answers
Answer:
2520ft
Step-by-step explanation:
Calculation for what is the scale of the model?
Let x will be the span length
Hence,
x= 4200 feet long/20 inches long
x=210
Thus:
1 inch = 210 ft
1 ft = 2520
=2520ft
Therefore the scale of the model will be 2520ft
Plz plz I need help plz plz really fast plz plz I will cry if u help me giving 25points
Answers
Answer:
[tex]\frac{1}{3}[/tex]
Step-by-step explanation:
Solve this equation:
3x - 5x + 8 - 3x = -5X -8
Answers
3x+ -5x+8+ -3x=-5x+ -8
(3x+ -5x+ -3x)+ (8)=-5x-8
-5x+8= -5x - 8
-5x+8+5x= -5x - 8+5x
8=-8
8-8= -8 - 8
0= -16
PLZ HELP!!!!!!! (20 points)
Which of the sets of ordered pairs represents a function? (4 points)
A = {(−4, 5), (1, −1), (2, −2), (2, 3)}
B = {(2, 2), (3, −2), (9, 3), (9, −3)}
Group of answer choices
Only A
Only B
Both A and B
Neither A nor B
Answers
Answer:
Neither A nor B
Step-by-step explanation:
The set of pairs, where the front member of every sequence pair must be unique.
HELP WORTH 50 POINTS ILL GIVE U BRAINLESS IF UR RIGHT
5.1 x 10^-3 – 1.8 x 10^-3
in scientific notation (evaluate)
Answers
Answer:
[tex]3.3*10^{-3}[/tex]
Just like last time, you can convert them to their decimal forms, subtract, and convert back!
Hope this helps!
Brainliest please!
Answer:
3.3*10-3
Step-by-step explanation:
Round 453,605 to the nearest thousand
Answers
Answer:
453,000
Step-by-step explanation:
pls help!
and a reason.
Answers
Answer:
[tex]\angle BDA = 72^{\circ}[/tex]
[tex]\angle DAB = 36^{\circ}[/tex]
[tex]\angle BDC = 108^{\circ}[/tex]
[tex]\angle BCD = 36^{\circ}[/tex]
[tex]\angle DBC = 36^{\circ}[/tex]
Step-by-step explanation:
Given
[tex]\angle ABD = 72^{\circ}[/tex]
Required
Determine the missing angles
Since AB = AD, then:
[tex]\angle ABD = \angle BDA[/tex] --- Base angles of an isosceles triangle
Hence:
[tex]\angle ABD = \angle BDA = 72^{\circ}[/tex]
[tex]\angle ABD + \angle BDA + \angle DAB = 180^{\circ}[/tex] --- angles in a triangle
[tex]72^{\circ} + 72^{\circ} + \angle DAB = 180^{\circ}[/tex]
[tex]144^{\circ} + \angle DAB = 180^{\circ}[/tex]
Collect Like Terms
[tex]\angle DAB = 180^{\circ} - 144^{\circ}[/tex]
[tex]\angle DAB = 36^{\circ}[/tex]
[tex]\angle BDA + \angle BDC = 180^{\circ}[/tex] --- angle on a straight line
[tex]72^{\circ} + \angle BDC = 180^{\circ}[/tex]
[tex]\angle BDC = 180^{\circ} - 72^{\circ}[/tex]
[tex]\angle BDC = 108^{\circ}[/tex]
Since ABC is isosceles, then:
[tex]\angle DAB = \angle BCD = 36^{\circ}[/tex] --- base angle of isosceles
[tex]\angle BCD = 36^{\circ}[/tex]
Lastly:
[tex]\angle BCD + \angle BDC + \angle DBC = 180^{\circ}[/tex]
[tex]36^{\circ} + 108^{\circ} + \angle DBC = 180^{\circ}[/tex]
[tex]\angle DBC = 180^{\circ} - 36^{\circ} - 108^{\circ}[/tex]
[tex]\angle DBC = 36^{\circ}[/tex]
See attachment
A building is 720 feet tall. The scale model of that building is 18 inches tall.
Find the scale factor of the model to the actual building
Answers
Answer:
720ft= 8640in => 18/8640 =0.002083 = 2083/1000000
Step-by-step explanation:
find the value of x in each of the given triangles.
Answers
Answer:
7.5
Step-by-step explanation:
10x + 8x + 6x = 180°
24x = 180°
x = 180°÷24
× = 7.5
HOPE IT HELPS YOU.
HOPE IT HELPS YOU.
HOPE IT HELPS YOU.
help plz it's not dark blue
Answers
Answer:
YELLOW
Step-by-step explanation:
MY TEACHER MADE ME DO THIS LOL
What is the correct answer?
Answers
Answer:
D.
Step-by-step explanation:
They would charge a flat fee of $1000, and $200 per room
what single decimal multiplier would you use to increase by 14% followed by a 1% decrease?
Answers
Answer:
1.1286
Step-by-step explanation:
Increasing something by 14% is the same as taking 114% of it, and decreasing it by 1% is the same as taking 99% of it. 114% is 1.14 as a decimal, and 99% is 0.99 as a decimal, so multiplying the two together, we get the single decimal
1.14 · 0.99 = 1.1286
Assume the number 100.
100(1.14)=114
114(0.99)=112.86
Simplify the expression:
(3p − 5)(–6) =
Answers
Answer:
− 18 p + 30
Step-by-step explanation:
Please help on this answer
Answers
Answer:
Step-by-step explanation:
5^2 + 12^2 = x^2
25 + 144 = x^2
169 = x^2
13 = x
answer is C
Answer:
13
Step-by-step explanation:
i need help plz!?????
Answers
Answer:
B
Step-by-step explanation:
Answer:
3/5
Step-by-step explanation:
you are looking for the X-Y so X go first
Can someone actually help with this not traditional reference angle question please I will give lots of points and will make you Brainliest
Answers
Answer:
Step-by-step explanation:
β ∈ { 0° , 18° , 180° , 198° }
