Answers
Answer:
The correct answer for this question is D
Related Questions
PLEASE HELP ME FAST
7. Find the measure of angle A.
Answers
Answer: 100
Step-by-step explanation:
Well 15 + 5 = 20.
Then 20 x 5 = 100.
So 100 is the answer.
5(3+1)
Factor 5 out of 15x is 5
(3x)+5(−1)
Factor 5 out of 5 (3x)+5(-1).5(3x−1)
Which of the following ordered pairs are solutions to the system of
inequalities? Check all that apply.
2x < y
y>7
O A. (1,9)
I B. (5,5)
C. (-1, 10)
D D. (0,0)
E. (8, 2)
F. (17,50)
Answers
Answer:
A,C, F
Step-by-step explanation:
y> 7 so,
eliminating B,D and E
now, for A, 2×1 < 9
for C, 2×-1<10
for F, 2× 17< 59
Please give a detailed answer and explain the calculations you did. I'll give Brainliest!
Answers
Answer:
30 books
Step-by-step explanation:
He sold 75 books, and 40% of them were in his collection.
Find 40% of 75.
Just do 75 * 0.4 and you'll get 30
Answer:
188?
Step-by-step explanation:
40% of 188 is 75
75.2/188 = 40%
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Answers
Sure I'll help you
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Is AB a tangent? why or why not?
Answers
Answer:
Yes
Step-by-step explanation:
Line AB touches the circle at point B, but doesn't intersect through the circle.
8. A bag contains 50 marbles, 28 red ones and 22 blue ones. A marble is picked at random from
the bag. What is the probability of picking:
a) a red marble?
b) a blue marble?
c) a red marble after a blue marble had been picked first.
Answers
Answer:
56%, 44%, 57%
Step-by-step explanation:
divide number of marbles by 50
Kaitlin needs to memorize words on a vocabulary list for Russian class. She has memorized 12 of the words, which is two-thirds of the list. How many words are on the list? i words X х 5 ?
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Answer:
20 words
Step-by-step explanation:
The cost of the studios internet service is given by the formula c=90+30x, where x is the number of months of usage. What is the studios cost for 11 moths of internet?
Answers
Answer:
$420
Step-by-step explanation:
C=90+30(11)
11x30=330
330+90=420
I will give brainliest!!!
21 cm
Find the circumference. Round your answer to the nearest hundredth. Use 3.14 for .
.
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if diameter: 65.94 cm
if radius: 131.88 cm
hope this helps :)
Please help me please I’ll give you points!
Answers
Answer:
the answer is b
Step-by-step explanation:
Answer:
C) (3,0)
Step-by-step explanation:
Multiply the first equation by 3
3(x+y=3)
3x+3y=9
-3x-2y=-9
y=0
Now that we know that y=0, we can substitute it back in the equation.
x+0=3
x=3
so the correct answer is (3,0)
In regression analysis, which is NOT a required assumption about the error term ε?
a) The expected value of the error term is one.
b) The variance of the error term is the same for all values of X.
c) The values of the error term are independent.
d) The error term is normally distributed.
Answers
Answer:
option number c....is correct
A hexagon with a perimeter of 24 inches is reduced by a scale factor of
13. What is the perimeter of the new hexagon?
Answers
P1=24/13 in
or
24/6=4
each side is 4in
6•4/13=24/6 in
How many times can 25 going to 200?
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PLEASE HELP
In order to paint the house, Wyatt multiplies the area of the base times the height then adds half the area of the base times the height
Explain whether or not Wyatt correctly calculated the surface area of the house.
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In 5^2 what is the 2 called?
Answers
Which of the following expressions are polynomials?
Select all that apply.
O 3x2 – 7y
2 - 8y
3x-2 + y
4x² - 9
Answers
The expressions 3x² - 7y, 2 - 8y, 4x² - 9 are polynomilas.
What is apolynomial?A polynomial is an algebraic expression of degree n where n belongs to whole numbers.
A polynomial of degree n can be written as a₀xⁿ + a₁xⁿ⁻¹ + a₂xⁿ⁻² + ... + aₙ.
Given, are 4 polynomials 3x² - 7y it is a polynomial because it has powers that are in whole numbers and it is of degree 2 in variables x and y.
2 - 8y is also a polynomial as the degree of y is 1 and it is a whole number.
3x⁻² + y is not a polynomial as the degree of x is - 2 and it is not a whole number.
4x² - 9 is also a polynomial as it has a degree of 2 a whole number.
learn more about polynomials here :
https://brainly.com/question/20121808
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Write your answer in standard form. (6x+7) (x-8)
a. 6x^2-24x-56
b. 6x^2+7x-56
c. 6x^2+21x+56
d. 6x^2-41x-56
(w+3)(w-3)
a. w^2+3w-3
b. w^2
c. w^2-9
d. w^2+w
Answers
Answer:
First one is d and second one is c
Step-by-step explanation:
(6x+7)(x-8)
(6x)(x) = 6x^2
(6x)(-8) = -48
(7)(x) = 7x
(7)(-8) = -56
Add all like terms together and you get choice d.
(w+3)(w-3)
(w)(w) = w^2
(w)(-3) = -3w
(3)(w) = 3w
(3)(-3) = -9
Add all like terms together and you get choice c
Answer:
(6x+7)(x-8)=6x^2-41x-56
Step-by-step explanation:
(6x+7)(x-8)
Apply FOIL method: (a+b)(c+d)=ac+ad+bc+bd= a=6x, b=7 c=x, d=-8=6xx+6x(-8)+7x+7(-8)
Apply minus & plus rules: =6xx-6(8x+7x-7)8
simplify: 6xx-6(8x+7x-7)8=6x^2-41x-56
use a protractor to find the angle measure picture is added
Answers
the graph below represents jaya's earnings in dollars and y cents wife or working x hours. Find the rate of change
Answers
Answer:
28.9 Dollars/Hour
Step-by-step explanation:
Rate of Change is the slope, is it is rise over run.
it goes from 289 to 578, so the change is 289.
it goes from 20 to 10, so the change is 10.
289/10 is 2.89.
HELP PLEASE!
The line y = 2x is drawn on the coordinate plane.
For the part of the line drawn between the origin and (-1, -2), what is the slope?
A. 1
B. 2
С. -2
D. -1
Answers
I had this same question about an hour ago and it say the answer was 2.
What’s the equivalent expression for -2 (-9x + 6y)
Answers
Answer:
the expression would be: 18x-12y
Step-by-step explanation:
What the rate of change of the function y = 2x -3
Answers
Rate of change is 2.
Y = mx + b (m is rate of change)
The diagram shows the side view of a garden ladder BE Which dimension is closest to the height of the laddar a féct? O O 10.5 0 0 15.5 21 O O 20.3
Answers
Answer:
20.3
Step-by-step explanation:
From the image, we can clearly see that the two triangles are actually right triangles. They have a hypotenuse l of 21 ft. and a base b of 5.5 ft. So by applying the Pythagoreans formula we get height h,
[tex]l^2 = b^2 + h^2\\\implies h = \sqrt{l^2 - b^2}\\= \sqrt{21^2 - 5.5^2}\\= 20.3\\[/tex]
So the height is 20.3 ft.
i will give the brainiest answer pls :)
Answers
Answer:
124 degrees since all angles should equal 180 degrees.
Answer:
So if you think about it, 180° is a full angle. So if you take the 180° and subtract the 19° and the 37° you should get your remaining angle. the answer I got for the angle is 124°. To check your work, 124° + 19° + 37° = 180°
Step-by-step explanation:
Hope that this has helped you out! :)
Circumference of the circle as 15 pi inches find the diameter
Answers
The formula for the circumference of the circle is 2πr or πd with r being the radius and d being the diameter. These 2 gives the same result because d=2r
Now because we know that the circumference is 15pi, we just need to reverse to find the diameter.
π*diameter=15*π
We can divide π from both sides.
diameter=15
Hope this helped!
Fill in the blank
One way is solving by graphing which uses the coordinates of the point of as the answers.
Answers
Answer:
dont click that link report it
Step-by-step explanation:
What is an equation of the line that passes through the points (-8, -2) and
(-4,-4)?
Answers
Answer:
-½x - 6
Step-by-step explanation:
Find the gradient first then solve for equation with unknown values of x and y
Is (5,0) a solution of the graphed inequality?
Answers
Answer:
Yes
Step-by-step explanation:
5,0 is a solution to the graphed inequality as it lies on the edge of the shaded area. Because the line is solid rather than dotted/dashed this means that all answers on the line will be included in the solutions. This is a graph for an inequality with one of these symbols ≤ ≥.
What is the slope of a line that goes through the points (4,-1) and (3, 8)?
Answers
Answer:
9/-1
Step-by-step explanation:
By using the formula y2-y1/x2-x1
8. 150 litres of water flows through a pipe in 6 minutes. Through the same pipe 200
litres of water flows in 8 minutes. Are the quantity of water flown and the time
taken are in proportion?
Answers
Answer:
Yes,they are in proportion
Step-by-step explanation:
We are told that 150 litres of water flows through a pipe in 6 minutes.
Thus means that the rate of flow = 150/6 = 25 litres/minutes
Now, we are also told that through the same pipe, 200 litres of water flows in 8 minutes. This means that the rate of flow = 200/8 = 25 litres/minutes
Now, the rate of flow is both instances is the same. Thus, we can say they are in proportion because;
Proportion of quantity in both instances = 200/150 = 4/3.
while that of time = 8/6 = 4/3
They have the same proportion