Answer:
Step-by-step explanation:
The sum of the interior angles of this triangle must be 180 degrees.
Thus, angle x is 180 degrees less (39 degrees plus 125 degrees), or
x = 180 degrees - 164 degrees = 16 degrees.
Because of the 125 degree angle, this is an obtuse triangle.
an orange divided into 10 equal sections lilly ate 4 four sections manny and emma ate the remaing sections what fractions of the orange did manny and emma eat
Answer:
6/10 if its talking about Manny and Emma together, 3/10 if it separate. Simplified would be 3/5 and 3/10
Step-by-step explanation:
Lilly ate 4/10 sections. 10 - 4 is 6. so there are 6 sections left for them to eat.
Solve for x.
5 yd
3 yd
w
X
Show Your Work HELPPPP PLZ
Answer:
4yards
Step-by-step explanation:
[tex] \rm \mapsto \: {5}^{2} = {3}^{2} + {x}^{2} \\ \rm \mapsto \: 25 = 9 + {x}^{2} \\ \rm \mapsto \: {x}^{2} = 25 - 9 \\ \rm \mapsto \: {x}^{2} = 16 \\ \rm \mapsto \: x = \sqrt{16} \\ \rm \mapsto \: x = 4yards[/tex]
I need some help on this
Answer:
B
Step-by-step explanation:
that's just what I got, I apologize if it's wrong!
Answer:
It's D. 90ft squared
Step-by-step explanation:
The equation for the surface area of an rectangular prism is 2(lw+lh+wh)
l=length
w= width
h=height
please help!!!! I will mark brainlest
Plz help will give brainliest!
Answer:
#162°+ m∠1 + m∠2 = 180° (straight angle)m∠1 + m∠2 = 118°2x + 8 + 3x = 1185x = 110x = 22m∠1 = 2*22 + 8 = 52°m∠2 = 3*22 = 66°Correct choice is B#2Side of the square:
a = 2*12 = 24 ftArea of the square:
A = a² = 24² = 576 ft²Radius of each circle:
r = 12/2 = 6 ftArea of each circle:
A = πr² = 3.14*6² = 113.04 ft²Area of all circles:
113.04*4 = 452.16 ft²Area of shaded region:
576 - 452.16 = 123.84 ft²Correct choice is BWhich of the following could be true if y ≤ -75?
y = 75
y = -74
y > -75
y = -75
Answer:-74
Step-by-step explanation: When you are in the megatives, less is more! So -74 is actually greater then -75
I REALLY NEED HELP WITH THIS QUESTION WITH STEPS
NEED HELP QUICK NO LINKS PLEASE!
What is the greatest common factor (GCF) of 36x²y and 14x²y²?
Answer Options
1. xy
2. 2xy
3. 4x²y
4. 2x²y
Answer:
3. 4x^2y
Step-by-step explanation:
The GCF of 36 and 14 is 4.
The GCF of x^2y and x^2y^2 is x^2y
Multiply the two GCF and you get 4x^2y
What is a unit rate?
PLEASE WILL MARK BRAINLIEST FOR QUICK ANSWER
Answer:
A unit rate is a rate with 1 in the denominator.
Step-by-step explanation:
I didn't even read the question correctly sorry
Step-by-step explanation:
Give the exact value of the trigonometric function.
csc225°
A. [tex]\sqrt{2}[/tex]
B. [tex]\frac{\sqrt{2} }{2}[/tex]
C. [tex]-\sqrt{2}[/tex]
D. [tex]\frac{-\sqrt{2} }{2}[/tex]
Please explain your answer, I will give brainliest, thank you!
Answer:
[tex] \displaystyle \text C)\csc( {225}^{ \circ } )= - \sqrt{2} [/tex]
Step-by-step explanation:
we want to figure out the exact value of the following:
[tex] \displaystyle \csc( {225}^{ \circ} ) [/tex]
recall that,
[tex] \displaystyle \csc( \theta ) = \frac{1}{ \sin( \theta)} [/tex]
we are given [tex]\theta=225°[/tex]
substitute:
[tex] \displaystyle \csc( {225}^{ \circ } )= \frac{1}{ \sin( {225}^{ \circ} )} [/tex]
225° belongs to Q:III which we can clearly acquire from unit circle so,
[tex] \displaystyle \csc( {225}^{ \circ } )= \frac{1}{ \dfrac{ - \sqrt{2} }{2} } [/tex]
By simplifying complex fraction we get:
[tex] \displaystyle \csc( {225}^{ \circ } )= \frac{2}{ - \sqrt{ 2} } [/tex]
notice that, what we acquired isn't in the option so multiply it by √2/√2
[tex] \displaystyle \csc( {225}^{ \circ } )= \frac{2}{ - \sqrt{ 2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } [/tex]
simplify multiplication:
[tex] \displaystyle \csc( {225}^{ \circ } )= \frac{2 \sqrt{2} }{ - \sqrt{ 4} } [/tex]
simplify square:
[tex] \displaystyle \csc( {225}^{ \circ } )= \frac{2 \sqrt{2} }{ - 2} [/tex]
reduce fraction:
[tex] \displaystyle \csc( {225}^{ \circ } )= - \sqrt{2} [/tex]
hence,
our answer is C
Find the volume of a right circular cone that has a height of 9.7 ft and a base with a radius of 7.6 ft. Round your answer to the nearest tenth of a cubic foot.
Answer:
586.7 ft^3
Step-by-step explanation:
1) find the base area
base area = radius^2 x pi = 7.6^2 x pi = 181,458392 ft^2
2) find the volume
V = (base area x height)/3 = (181,458392 x 9.7)/3 = 586.7 ft^3
Can x + 3/x be simplified any more than it already is?
Answer:
No, that equation can be not be simplified any further.
PLEASE HELP ME WITH THIS!!!
Answer:
I think h is 20 I am not sure
Find the area of a vertical cross section through the centers of the bases of a cylinder with a height of 24 inches and a circumference of about 43.96 inches. Use 3.14 for π.
brainliest for who gets it right
Answer:
Step-by-step explanation:
Answer:
405 in^2
Step-by-step explanation:
Given data
Height= 27in
Circumference= 47.1 in
let us find the radius and the diameter of the base of the cylinder
from
C=2πr
47.1= 2*3.142*r
47.1= 6.284r
r= 47.1/6.284
r= 7.5 in
Diameter= 2r
D= 7.5*2
D= 15in
Hence the area of the cross-section
=H*D
=27*15
=405 in^2
PLEASE HELP!! NEED ANSWER FAST!!! WILL MAKE BRAINLIEST!!!!
Use the given graph to determine the limit, if it exists.
- Find limit as x approaches three from the right of f of x.
Answer:
As X approaches 3 from the right side the Y value is 3.
What is the gradient of the graph shown?
Give your answer in its simplest form.
Answer:
-2
Step-by-step explanation:
I think this was the question you were talking about.
Simplify the following expression: (35 + 24 )/(22 + 31 )
Answer:
1.11
Step-by-step explanation:
35 + 24 = 59
22 + 31 = 53
59 ÷ 53 ≈ 1.11
Have a good day :)
Line KJ represents a proportional relationship. Point K lies at (12,14) as shown on the graph below.
Which ordered pair could represent the coordinates of point J?
Given:
Line KJ represents a proportional relationship.
Point K lies at (12,14).
To find:
The ordered pair of the coordinates of point J.
Solution:
If y is proportional to x, then
[tex]y\propto x[/tex]
[tex]y=kx[/tex]
[tex]\dfrac{y}{x}=k[/tex]
Where, k is the constant of proportionality.
It means, the ratios of y to x for all the point in a proportional relationship are same.
Line KJ represents a proportional relationship. Point K lies at (12,14).
So, the constant of proportionality is:
[tex]k=\dfrac{14}{12}[/tex]
[tex]k=\dfrac{7}{6}[/tex]
Similarly, find the ratio of y to x for all given points.
In option a,
[tex]\dfrac{3.5}{3}=\dfrac{3.5\times 2}{3\times 2}[/tex]
[tex]\dfrac{3.5}{3}=\dfrac{7}{6}[/tex]
In option b,
[tex]\dfrac{15}{17.5}=\dfrac{15\times 2}{17.5\times 2}[/tex]
[tex]\dfrac{15}{17.5}=\dfrac{30}{35}[/tex]
[tex]\dfrac{15}{17.5}=\dfrac{6}{7}[/tex]
In option c,
[tex]\dfrac{0}{2}=0[/tex]
In option d,
[tex]\dfrac{3}{3.5}=\dfrac{3\times 2}{3.5\times 2}[/tex]
[tex]\dfrac{3}{3.5}=\dfrac{6}{7}[/tex]
The ratio of y to x of point (3,3.5) is equal to the ratio of given point K(12,14). So, the coordinates of point J are (3,3.5).
Therefore, the correct option is A.
Simplify (-1+5i)(-3+2i)
Answer:
-7-17i
Step-by-step explanation:
Answer:
-7-17i
Step-by-step explanation:
See image below:)
Amanda has $227 worth of bills in her purse. She has six more $5 bills than $10 bills. The number of $1 bills is three fewer than 25 times the number of $10 bills. How many bills of each kind does Amanda have?
Answer:
There are six $5 bills and nine $10 bills
Step-by-step explanation:
x= $5 bills
y= $10 bills
x+y=15
5x+10y=120
5x+10(15-x)=120
5x+150-10x=120
-5x= -30
x=6 so y=9
Answer:
$10 = 5 $5 = 11 $1 = 122
Step-by-step explanation:
5 x 10 = 50
5 x 11 = 55
1 x 122 = 122
50 + 55 + 122 =
227
Hope this helps!
hii please help i’ll give brainliest
the mean, median and interquartile range
A bagel shop sold 8 plain bagels and 13 rye bagels. What is the ratio of the number of rye bagels to the number of plain bagels sold?
Answer:
B
Step-by-step explanation:
since rye bagels come first after plain bagels, rye bagel is 13 & plain bagel is 8 so 13:8 is the answer!
can anyone help me get this correct answers only please and thanks
Answer:
8
Step-by-step explanation:
[tex]\frac{18}{36} = \frac{x}{16}[/tex] x = 8
Which equation, when graphed would appear narrower than the graph of y= 3x2 + 5
Answer:
y = 4x^2 + 5 has the narrowest graph.
Step-by-step explanation:
The larger the coefficient of x^2 is, the narrower the graph will be. Thus:
y = 4x^2 + 5 has the narrowest graph.
I need help it’s super confusing
Answer:
Range = 58
Mean = 25.81
Median = 17
Mode = 2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60
Upper Quartile = 11
Lower Quartile = 48
Step-by-step explanation:
Start by putting all of the values in order from least to greatest.
16, 18, 12, 9, 17, 2, 41, 48, 50, 60, 11
becomes
2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60
Range
The range is the difference between the highest and lowest value. So in this case, it's 58, because 60 - 2 = 58
Mean
The mean is another word for the average. To calculate the average, add all of the values and divide the sum by the number of values.
2 + 9 + 11 + 12 + 16 + 17 + 18 + 41 + 48 + 50 + 60 = 284
There are 11 values, so divide the sum (284) by 11:
284 / 11 = 25.8181818.
That rounds to 25.81
Median
The median is the middle value of the data set.
In 2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60 the middle value is 17. It has 5 values on each side of it.
Mode
The mode is the number that appears the most in the data set. Each value only appears once, so the mode is the entire list of numbers. 2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60
Upper Quartile
The upper quartile of a data set is the median of the numbers that are to the left of the median for the entire data set. The median is 17, so the numbers to the left are 2, 9, 11, 12, and 16. The median of those is 11 because it is in the middle. So the upper quartile is 11.
Lower Quartile
The lower quartile is found the same way the upper quartile is, but it's the median of the numbers to the right. The numbers to the right of 17 are
18, 41, 48, 50, and 60. The median of those is 48 because it's in the middle. So the lower quartile is 48.
Olivia works at a company that creates mobile phones. She wanted to estimate the mean amount of time their new phone's battery lasts with regular use after a full charge. She took a random sample of 6 of these phones and randomly assigned each of them to a volunteer. She instructed them to fully charge the phones and use them as they regularly would until the battery died (without recharging the phone). Here are the data they reported:
Assume that all conditions for inference are met.
Which of the following is a 90% confidence interval for the mean battery life (in hours)?
Answer:
9+- 1.7
Step-by-step explanation:
Kahn
The required possible 90% confidence interval for the mean battery life is (10.95, 19.05) hours.
What is Statistic?Statistic is the study of mathematics that deals with relations between comprehensive data.
Here,
Assuming that the sample means and sample standard deviation were calculated from the data, a possible 90% confidence interval for the population means battery life can be calculated using the t-distribution.
For example, if the sample mean is 15 hours and the sample standard deviation is 3 hours, with a sample size of 6 and a 90% confidence level, the t-interval would be:
t-interval = sample mean ± t*(sample standard deviation / √(sample size))
where t is the t-value with (sample size - 1) degrees of freedom and a 90% confidence level.
Using a t-table, the t-value for 5 degrees of freedom and a 90% confidence level is approximately 2.571. Plugging in the values, we get:
t-interval = 15 ± 2.571*(3 / √(6))
t-interval ≈ (10.95, 19.05)
Therefore, a possible 90% confidence interval for the mean battery life is (10.95, 19.05) hours.
Learn more about Statistics here: https://brainly.com/question/23091366
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Solve this equation: –2(x + 16) = –20 *
Answer:
[tex]{\huge\purple{\fbox{{࿐αɴѕωєя࿐}}}}[/tex]
[tex] - 2(x + 16) = - 20 \\ - 2x + 16 \times - 2 = - 20 \\ - 2x - 32 = - 20 \\ - 2x = - 20 + 32 \\ - 2x = 12 \\ x = \frac{12}{ - 2} \\ x = \frac{ - 12}{2} \\ x = - 6[/tex]
ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
[tex] \huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}[/tex]
Answer:
"solve this equation: - 2 (x+16)= - 20
Step-by-step explanation:
- 2x 16 + - 2 = - 20
- 2x - 32 = - 20
- 2x = - 20 + 32
x = - 12 :2
x = - 6
Find the missing side. Round to
the nearest tenth.
18
Х
33°
X = [ ? )
Answer:
The answer for Acellus people is 9.8
Step-by-step explanation:
The missing side of Right triangle will be [tex]9.8[/tex].
What is right triangle ?Right triangle is a triangle in which one angle is of [tex]90^0[/tex].
We have,
Hypotenuse [tex]=18[/tex] cm
Perpendicular [tex]=x[/tex] cm
One of the angle [tex]=33^0[/tex]
So,
Using the Trigonometric angles,
[tex]Sin33^0=\frac{Perpendicular}{Hypotenuse}[/tex]
So,
[tex]Sin33^0=\frac{x}{18}[/tex]
⇒
[tex]x=18*Sin\ 33^0[/tex]
So,
[tex]x=9.8[/tex]
The missing side is [tex]9.8[/tex] .
Hence, we can say that the missing side of Right triangle will be [tex]9.8[/tex].
To know more about Right triangle click here
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Rotate the vector (0,2) 270°
clockwise about the origin.
Picture is attached, please no links
Answer:
(-2,0)
Step-by-step explanation:
Herr you go, I hope this helps you.
The coordinates of the vector after rotation is (-2,0)
How to rotate the vector?The given parameters are:
Vector = (0,2)
Rotation = 270°clockwise about the origin
The rule of 270° rotation clockwise about the origin is:
(x,y) = (-y,-x)
So, we have:
(0,2) = (-2,0)
Hence, the coordinates of the vector after rotation is (-2,0)
Read more about rotation at:
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What are the coordinates of the point halfway between (- 1, 4) and (5, 4)
Answer:
(2,4)
Step-by-step explanation: