Answers
The answer is choice C.
Related Questions
1.The graph shows the distance a car travels at a constant speed. What is the speed of the car?
2.Write an equation that represents the speed of the car.Question 2 options:
Answers
speed = 40/1 = 40 miles per hour
2)
y = 40x
What is the value represented by the letter A on the box plot of data?
{5, 20, 40, 50, 50, 85}
Enter your answer in the box.
Answers
The lowest number is always the farthest to the left.
I hope this helps!
Suppose the number of dropped footballs for a wide receiver, over the course of a season, are normally distributed with a mean of 16 and a standard deviation of 2.
What is the z-score for a wide receiver who dropped 13 footballs over the course of a season?
−3
−1.5
1.5
3
Answers
(13 - 16) / 2 = -1.5
Which is a possible number of real roots for a cubic function? Select all that apply.
0
1
2
3
4
what even is this,
Answers
Whatever the highest exponent of the variable is tells us the highest number of roots it can have. It can have that many or fewer but no less than 0.
What is the perimeter of this tile.
Answers
4 x4 = 16
However this only works if the 2D shape is an equilateral. So this trick only works in certain situations.
Which quadrilateral will always have 4-fold reflections symmetry
Answers
Answer:
square
Step-by-step explanation:
i got it right in edge
The quality-control department of Starr Communications, a manufacturer of video-game DVDs, has determined from records that 1.5% of DVDs sold have video defects, 0.8% have audio defects, and 0.4% have both audio and video defects. What is the probability that a DVD purchased by a customer a. will have a video or audio defect? b. Will not have a video or audio defect?
Answers
So,
P(A) = 1.5 %
Let B represents the event that DVD has a audio defect.
So,
P(B) = 0.8 %
A ∩ B represents that DVD has both audio and video defect.
So,
P(A∩B) = 0.4%
Part a)
A ∪ B represents that DVD has a video or audio defect.
P(A∪B) = P(A)+P(B)-P(A∩B) = 1.5 + 0.8 - 0.4 = 1.9%
Thus the probability that the DVD purchased by the customer has a video or audio defect is 1.9%.
Part b)
The complement of P(A∩B) will represent the probability that the DVD does not have video or audio defect.
So, the probability that DVD purchased by customer does not have video or audio defect is 1 - 0.4 = 0.96%
Final answer:
The probability that a DVD will have a video or audio defect is 1.9%, calculated using the principle of inclusion-exclusion. The probability that a DVD will not have any defect is 98.1%, obtained by subtracting the probability of having a defect from 100%.
Explanation:
To solve the probability that a DVD purchased by a customer will have a video or audio defect or not, we can use the principle of inclusion-exclusion for probabilities.
According to the given data:
P(video defect) = 1.5%P(audio defect) = 0.8%P(both video and audio defects) = 0.4%Part a: The probability that a DVD will have a video or audio defect (at least one type of defect) is calculated by adding the probabilities of each defect and subtracting the probability of both defects occurring, as these are counted twice.
P(either type of defect) = P(video defect) + P(audio defect) - P(both defects)
P(either type of defect) = 1.5% + 0.8% - 0.4% = 1.9%
Part b: To find the probability that a DVD will not have any defect, we subtract the probability of either defect from 100%.
P(no defect) = 100% - P(either type of defect)
P(no defect) = 100% - 1.9% = 98.1%
Therefore, the probability that a DVD will have a video or audio defect is 1.9%, and the probability that a DVD will not have any defect is 98.1%.
what is the approximate area of a rectangle that is 5ft in length and 15 feet in width
Answers
15*5=75
area is 75 square feet
A = 5 * 15 = 75 in²
Hope this helps :)
Help me on this please
Answers
.. (16 cm)*(34 cm) = 544 cm^2
A circle of diameter 16 cm has been removed. The area of that circle is
.. π*(d/2)^2 = 3.14*(16 cm/2)^2 = 200.96 cm^2
Then the area of the paper that remains is
.. 544 cm^2 -200.96 cm^2
.. = 343.04 cm^2
What is the sum of the series?
4+12+36+108+...+8748
8908
10,204
13,120
17,816
Answers
Final answer:
The sum of the series 4+12+36+108+...+8748 is found by observing that it is a geometric progression with a common ratio of 3. By comparing the last term to the options, and understanding the rapidly increasing nature of geometric series, the sum is slightly larger than the last term, which only matches the option 8908.
Explanation:
To find the sum of the geometric series 4+12+36+108+...+8748, we first need to identify the common ratio (r) of the series. Each term is obtained by multiplying the previous term by the constant r. In this case, r = 12 / 4 = 36 / 12 = 108 / 36 = 3. The series is therefore a geometric progression with the first term a = 4 and common ratio r = 3.
We can then use the formula for the sum of the first n terms of a geometric series, which is Sn = a(1-rn) / (1-r), where r ≠ 1. However, we need the number of terms (n). To find n, we use the formula for the nth term of a geometric sequence, which is an = a * rn-1. We can solve for n considering the last term given: 8748 = 4 * 3n-1.
However, instead of manually finding the value of n and then the sum, let us approach the problem with the available options. The sum of a geometric series increases very rapidly due to the exponential nature of each subsequent term. Comparing the last term with the provided options, we can infer that the sum has to be a little bit greater than the last term of the series, 8748.
By inspection of the options, the only number that is slightly greater than 8748 is 8908. Therefore, to the quickest approximation and without going through detailed calculations, the sum of the series is 8908.
Sara bought a soft drink for 4 dollors and 9 candy bars. she spent a total of 49 dollors. how much did each candy bar cost
Answers
What is the next fraction in each of the following patterns? a. 1⁄40, 4⁄40, 9⁄40, 16⁄40, 25⁄40 . . .? b. 3⁄101, 4⁄101, 7⁄101, 11⁄101, 18⁄101, 29⁄101. . .? c. 5⁄1, 10⁄2, 9⁄2, 18⁄4, 17⁄8, 34⁄32, 33⁄256. . .? PLEASE HELP ME, ALSO CAN YOU EXPLAIN HOW YOU GOT THE ANSWER SO I CAN FIGURE IT OUT ON MY OWN THE NEXT TIME.
Answers
you are adding by odd numbers example 1+3=4. 4+5=9 .9+7=16. 16+9=25 and so on.
b. 47/101, 76/101, 123/101
you are adding by the answers
example. 3+1=4. 4+3=7. 7+4=11. 11+7= 18. 18+11= 29. 29+18=47. 47+29=76. 76+47=124.
Express the polynomial −g + 3g + 2g2 in standard form and then classify it.
Answers plz?
Answers
The first part of the question wants us to put this polynomial in standard form. This means that we put the terms in order of descending degrees and we add like terms...
-g+3g+2g^2
2g+2g^2
2g^2+2g
Because the highest exponent is 2, this is a quadratic polynomial.
I really hope this helps!
Best wishes :)
Imagine if you wrapped a rope tightly around the earth at the equator. how much longer would you have to make the rope if you wanted it to be exactly one foot above the surface all the way around?
Answers
In your problem, you didn't give any measurements to use, so we can't determine an exact answer. However, the given formula above would work.
The first term calculates the extended length of rope. The second term calculates the original length of rope. All you need to do is subtract them.
Online, you can find the radius of the Earth if you need an exact value. 3,959 miles
I have another Brainliest
Answers
What is the value of X?
Sin64 degree= cos x
Enter your answer in the box.
Answers
cos x = sin 64°
x = cos⁻¹ (sin 64°)
x = 26°
Answer:
x = 26° is the answer.
Step-by-step explanation:
We have to find the value of x from the given equation.
sin 64° = cos x
since sin 64° = 0.8987
Therefore cos x = 0.8987
[tex]x = cos^{-1}(0.8987) = 26[/tex]
x = 26°
Find the measure of the complement and the supplement of the angle.
Answers
Two angles are supplementary if their measures add up to 180 deg.
Complement: 90 - 12 = 78
Supplement: 180 - 12 = 168
Answer: B. complement 78 deg, supplement 168 deg
[tex]*[/tex] (Complementary angles): These angles are not greater than or less than 90°.
Therefore, we then do [tex] \left[\begin{array}{ccc}12-90=78\end{array}\right] [/tex].
[tex]*[/tex] (Supplementary angles): These kind of angles would be angles that are no greater than to 180°.
We then do [tex] \left[\begin{array}{ccc}180-12=168\end{array}\right] [/tex].
Your correct answer: (Option B).
What are the x and y intercepts of the line? 2x - 3y = 12
Answers
2x0-3y=12 Now that would be 3y=12
y=4
So the y intercept is 4
then do the same to find x
Like 2x-3x0=12 That would be 2x=12
x=6
That is how you find x and y intercepts. Hope this helped
Marisha plots her flower garden on a computer. She determines that the circle that defines the part of the garden that gets watered by the sprinkler is (x−8)2+(y+10)2=25.
What is the diameter, in meters, of the circular area that gets watered by the sprinkler?
2.5 m
5 m
10 m
20 m
Answers
If the radius of the circle will be 5, then the diameter of the circle is 10 m. Then the correct option is C.
What is an equation of a circle?A circle can be characterized by its center's location and its radius's length.
Let the center of the considered circle be at the (h,k) coordinate.
Let the radius of the circle be 'r' units.
Then, the equation of that circle would be:
(x - h)² + (y - k)² = r²
Marisha plots her flower garden on a computer.
She determines that the circle that defines the part of the garden that gets watered by the sprinkler is (x − 8)² + (y + 10)² = 25.
Then the equation can be written as
(x − 8)² + (y + 10)² = 5²
The radius of the circle will be 5
Then the diameter of the circle is given as
d = 2r
d = 2 x 5
d = 10 m
Learn more about the equation of a circle here:
https://brainly.com/question/10165274
#SPJ2
Matthew ran 3/8 mile and then walked 7/10 mile. Which pair of fractions can he use to find how far he went in all? (A 15/40 and 28/40 (B 35/40 and 21/40 (C 35/40 and 37/40 (D 30/80 and 70/80 *Please Help*
Answers
8 goes into 40 five times
3/8= (3*5)/40 = 15/40
10 goes into 40 four times
7/10= (7*4)/40= 28/40
ANSWER: A) 15/40 and 28/40
Hope this helps! :)
Answer:
Before we could add these numbers, 3/8 and 7/10 need a common denominator. Both 8 and 10 go into 40.
8 goes into 40 five times
3/8= (3*5)/40 = 15/40
10 goes into 40 four times
7/10= (7*4)/40= 28/40
ANSWER: A) 15/40 and 28/40
Hope this helps! :)
Step-by-step explanation:
What is the difference between log(x/y) and log(x)/log(y)?
Answers
The difference between log(x/y) and log(x)/log(y) is that the first expression can be written as log x - log y, which is not equal to the second term.
What is a logarithm function?The opposite of exponentiation is the logarithm. This indicates that the exponent to which b must be raised in order to obtain a number x is the logarithm of x to the base b. For instance, because 1000 = 10³, the logarithm of 1000 in base 10 is 3, or log₁₀ = 3.
Given:
log(x/y) and log(x) / log(y),
The formula for log(x / y) can be written as shown below,
log(x / y) = log x - log y
As you can see the term is not equal to log(x) / log(y), hence they are different,
The values of the function would differ as in this expression log(x/y) you would first divide x by y and then will take the log of the result,
In the expression log(x) / log(y), you will take the log first individually and then divide the answer.
To know more about the logarithm function:
https://brainly.com/question/16017369
#SPJ2
The length of a rectangle is 4 cm more than 3 times it’s width. If the area of the rectangle is 15 cm^2, find the width. Use quadratic equations.
Answers
Why would ww2 make it easier for African nations to gain independence
Answers
After the WW2, Britain had become weaker and its powers had started to decrease. It had lost many of its soldiers and revenues in the world war. Also it needed to focus on the development of its own country now.
so, the rebels in the colonial Africa became stronger than Britishers. So Africans were able to fight back for their freedom and land. Hence, after a while colonial powers left completely from certain parts of Africa.
Find the area of the circle if the square has an area of 900 in2. Give your answer in terms of pi
Answers
If so, the first thing is finding the side measure:
[tex]A_{square}=l^2 \\ l= \sqrt{A} = \sqrt{900} \;\;\Rightarrow l=30\;in[/tex]
Now, radius is half this measure: 15 in.
And circle area is:
[tex]A_{circle}=\pi r^2=\pi\cdot(15)^2\:\;\Rightarrow A_{circle}=225\pi\;in^2[/tex]
Final answer:
The area of the inscribed circle within a square with an area of 900 in² is 225π in².
Explanation:
The subject here is circle geometry, which is a part of Mathematics. Given that the area of the square is 900 in², we want to find the area of the inscribed circle. The side length a of the square can be found by taking the square root of the area, so a = √{900} = 30 inches. The diameter of the circle is the same as the side of the square, which means the radius r is half of that, so r = 30 / 2 = 15 inches. The formula for the area of a circle is A = πr², and substituting in our value of r, we get:
A = π * (15 in)² = 225π in²
Consider the proof.
Given: In △ABC, BD ⊥ AC
Prove: the formula for the law of cosines, a2 = b2 + c2 – 2bccos(A)
Statement
Reason
1. In △ABC, BD ⊥ AC 1. given
2. In △ADB, c2 = x2 + h2 2. Pythagorean thm.
3. In △BDC, a2 = (b – x)2 + h2 3. Pythagorean thm.
4. a2 = b2 – 2bx + x2 + h2 4. prop. of multiplication
5. a2 = b2 – 2bx + c2 5. substitution
6. In △ADB, cos(A) = 6. def. cosine
7. ccos(A) = x 7. mult. prop. of equality
8. a2 = b2 – 2bccos(A) + c2 8. ?
9. a2 = b2 + c2 – 2bccos(A) 9. commutative property
What is the missing reason in Step 8?
a. Pythagorean theorem
b. definition of cosine
c. substitution
d. properties of multiplication
Answers
substituting 2bx for 2bccos(a)
The Law of Cosines is used to find the remaining parts of a triangle when the triangle is not a right triangle and when either the lengths of two sides and the measure of the included angle is known (SAS) or the lengths of the three sides (SSS) are known.
The law of cosine states if a,b,c are the three sides of any triangle then [tex] a^{2} =b^{2} +c^{2} -2bccosA [/tex]
In the above proof in statement 8 the x in statement 5 is replaced by c cos A from statement 6.
Among the given options ,option C holds true as the reason for statement 8.
A machine is made of two parts, gizmos and widgets. the probability that a gizmo is defective is 0.20, and the probability that a widget is defective is .25. if a machine is assembled with one gizmo and one widget, what is the probability that the machine will not have any defective parts?
Answers
Gizmo is defective is 0.20
widget is defective is 0.25
The probability that:
Gizmo is not defective is 1-0.2=0.8
Widget is not defective is 1-0.25=0.75
If the machine is assembled with only one gizmo and one widget, the probability that the will not have any defective part is:
P(Widget is not defective)*P(Gizmo is not defective)
=0.8*0.75
=0.6
In right triangle PQR, P and Q are complementary angles. The value of sin Q is 9/
41
. What is the value of cos P?
Will be given brainley
Answers
That's my LOL for the night. It's very late where I am. Probably where you are too.
Draw the diagram. This is a very important question. I don't want to just tell you because in many disguises, this problem shows up more than once. So draw the diagram.
Put the Sin of Q in. Sin(Q) is PR/QP Label PR as 9 and QP is 41. Make sure you agree with me before reading the rest.
Do you agree? Good you can go on.
Now go down to <RPQ. A cosine is the adjacent side over the hypotenuse. What I was giggling about when I saw it was that the Cos of P is the Same as the Sin(Q). This fact is going to turn up many times in many different forms. Of all the questions you've asked tonight, this is the one you must pay the closes attention to.
9/41 = Cos P <<<<==== Answer.
Option: A is the correct answer.
The value of cos P is:
A) [tex]\dfrac{9}{41}[/tex]
Step-by-step explanation:We know that if two angles A and B are complementary then,
[tex]A+B=90[/tex]
i.e.
[tex]B=90-A[/tex]
Here we have angle P and angle Q are complementary i.e.
[tex]P=90-Q[/tex]
Also, we are given,
[tex]\sin Q=\dfrac{9}{41}[/tex]
We are asked to find:
[tex]\cos P[/tex]
It could also be written as:
[tex]\cos P=\cos (90-Q)\\\\i.e.\\\\\cos P=\sin Q\\\\i.e.\\\\\cos P=\dfrac{9}{41}[/tex]
The first terms of (x + y)5 is y5.
TRUE
FALSE
Answers
(x+y)^5 = x^5 + 5x^4y + 10x^3y^2+10x^2y^3+ 5xy^4+ y^5
5. The two trapezoids are similar. Which is a correct proportion for corresponding sides?
A. BA FG
— = —
FE BC
B. BA CD
— = —
FE GD
C. BA AD
— = —
FE GD
D. BA AD
— = —
FE FG
Answers
Answer B
A bicycle shop rents bicycles for $3.50 per hour and helmets for $6 per day. Ashley has $20 to spend to rent a helmet and a bicycle for some number of hours. For how many hours can she rent the bicycle?
Answers
20-6=14
And then divide the new total amount by 3.50
14 / 3.50 = 4
Ashley can rent the bike for 4 hours