Please answer quickly. I need help bad
The equation y-3=-2(x+1) represents a line. Which best describes the line?
A. slope: 4, passes through (1, -2)
B. slope: -2, passes through (-1,3)
C. slope 2, passes through (-3, 1)
D. slope 4. passes through (2, -1)
Answer:
B
Step-by-step explanation:
What is the domain of f(x) = 5- 7?
O x | x>-7)
O {x | X <-7}
0 {x|x>0}
O x | x is a real number}
Answer:
c
Step-by-step explanation:
hi
The domain of f(x) = 5x - 7 is {x | x is a real number} and this can be denoted as (-∞, ∞) for all x ∈ R.
What is domain?The domain is the set of all the input values given to a function.
Given is an expression f(x) = 5x - 7, we need to find the domain,
We know that,
The domain of any expression is set to all the real numbers, except where the expression is undefined.
Therefore, the domain is all real numbers.
Also,
The graph of the function will be a straight line without discontinuities.
Hence the domain of f(x) = 5x - 7 is {x | x is a real number} and this can be denoted as (-∞, ∞) for all x ∈ R.
Learn more about domain click;
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Lyla is playing a game in math class where the students describe a number they are thinking of and the class uses clues to determine which type of number it is. Lyla tells her class that she is thinking of a positive number with infinitely many nonrepeating digits after the decimal point. Which type of number is Lyla thinking of?Single choice.
(1 Point)
1. whole
2. integer
3. rational
4. irrational
Answer:
1 or 3 sorry if wrong
Step-by-step explanation:
How does the standard deviation and mean change when you remove the greatest value from the data set?
Help me
Answer: the standard deviation decreases
Step-by-step explanation:
Find the slope of the line and that passes through (7, 2) and (-7, 48)
Answer:
-23/7
Step-by-step explanation:
y2 - y1 / x2 - x1
48 - 2 / -7 - 7
46 / -14
= -23/7
For triangle DEF, the length of side e and the measures of angles D and F are known. What method should be used to start solving triangle DEF?
A.law of sines
B.both laws can be used
C.neither law can be used
D.law of cosines
Answer: D. Law Of Cosines
Step-by-step explanation: A law in trigonometry: the square of a side of a plane triangle equals the sum of the squares of the remaining sides minus twice the product of those sides and the cosine of the angle between them.
Note: Answer is confirmed by Buzz/Acceleration Education.
All My Other Answers:
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The sum of the interior angle of the triangle is 180 degrees. Then by the sine rule, angle E can be determined. Then the correct option is A.
What is trigonometry?Trigonometry deals with the relationship between the sides and angles of a right-angle triangle.
For triangle DEF, the length of side e and the measures of angles D and F are known.
We know that the sum of the interior angle of the triangle is 180 degrees. Then the angle E can be determined.
Hence the sine rule is easy to apply.
More about the trigonometry link is given below.
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Someone please help me in this please.
Answer:
for the number 13
Step-by-step explanation:
[tex]x = \sqrt{9 { }^ {2} + 6 { }^{2} }[/tex]
by Pythagoras theorem
x= √81+36
x= √117
punch square root of 117 with a calculator, I don't have one now
5x+ 10y =300
what is x and y?
Answer:
5x + 10y + -10y = 300 + -10y
Step-by-step explanation:
Find the area of the composite figure 7m 5m 4m 3m
Answer:
19 m
Step-by-step explanation:
Hope it helps. Just add them together
Allison drew 3 triangles, 5 hexagons, and 4 octagons.
How many line segments did she draw?
A. 81
B. 72
C. 71
D. 68
Answer:
D 68
Step-by-step explanation:
I think that's the answer
Answer:
71
Step-by-step explanation:
3×3 = 9
5×6 = 30
4 × 8 = 32
30+32+9= 71
Which angles are vertical angles?
Answer:
Step-by-step explanation:
BCF and DCA
IF SOMEONE WILL HELP NOW THIS WILL BE A MIRACLEEEEE
Answer: x < -5
Move the constant to the right, calculate, and divide both sides.
PLS HELP ASAP
In how many ways can a starting team of 5 players be chosen from a team of 14 players?
Answer:
So are we doing permutations
Step-by-step explanation:
P(14,5)14*13*12*11*10
There are 240,240 ways to order the team.
There are 240 ways a starting team of 5 players can be chosen from a team of 14 players.
What are permutations?The different arrangements which can be made out of a given number of objects by taking out some or all at a time are called permutations.
Suppose there are n items.
Suppose we have
[tex]i_1, i_2, ..., i_k[/tex]
sized groups of identical items.
Then the permutations of their arrangements is given as
[tex]\dfrac{n!}{i_1! \times i_2! \times ... \times i_k!}[/tex]
P(14,5) = 14 x 13 x 12 x 11 x 10
= 240
There are 240 ways to order a team of 14 players.
Learn more about permutations here:
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A cylindrical barrel has a height of 5 feet and a diameter of 4 feet. What is the approximate volume of the barrel?
Answer:
62.8 ft³
Step-by-step explanation:
Volume = π · r² · h
V = 3.14 · 2² · 5
V = 3.14 · 4 · 5
V = 62.8
assume f is a one to one function of f(x)= 4-6x find f^-1(-32)
Answer:
f^-1(-32)=6
Step-by-step explanation:
Find the inverse of the function f(x)=4-6x:
f(x)=4-6x
y=4-6x
x=4-6y
x-4=-6y
(x-4)/-6=y
-1/6x+2/3=y
y=-1/6x+2/3
f^-1(x)=-1/6x+2/3
Plug in f^-1(-32) for f^-1(x) and simplify:
f^-1(-32)=-1/6(-32)+2/3
f^-1(-32)=16/3+2/3
f^-1(-32)=18/3
f^-1(-32)=6
What is the y-intercept of the graph of x=9y-5
Answer:
(0,5/9)
Step-by-step explanation:
Stephanie borrowed $4,500 at a simple interest rate of 3.5% to buy a motorcycle. How much interest did she have to pay if the loan was taken out for 3 years?
C
Step-by-step explanation:
hope this helps
What is the quadratic equation if the zeroes of the function are -2 and 6?
a) 2x^2+4x-12=0
b) x^2-4x-12=0
c) x^2+4x-12=0
d) 2x^2-4x-12=0
Answer:
B.
Step-by-step explanation:
x = -2 or x = 6
(x + 2) or (x - 6)
(x+2)(x-6)
X² - 4x - 12 = 0
Tori drew a scale drawing of a picnic area near the river. The scale she used was 1 inch : 2 yards. If the picnic area is 47 inches wide in the drawing, how wide is the actual picnic area?
Answer:
94 yards
Step-by-step explanation:
2x47=94
please help me with this problem
Find the measure of the indicated angle. Round to the nearest tenth.
14
3
00
9
CC
Answer:
picture??
Step-by-step explanation:
Answer:
9 is the answer of this question
Reuben and Jim made the most points in the basketball game. Reuben made twelve points. Jim made twice as many points as Reuben. How many points did Jim make?
A. 36
B. 24
c. 18
D. 12
E. 6
Answer:24
Step-by-step explanation:
12x2=24
Pleaseeee helppp mehhhhh!!
I need help asap, I will report any links or files from bit. ly
Jared flicked the arrow on his spinner 4 times, and the arrow landed on the green each time. if Jared spins the arrow a fifth time, what is the theoretical probability that it will land on green?
OA. 3/8
OB. 1/8
OC. 4/5
OD. 1/5
Answer:
I think the answer for that question is c
What generalization can you make about these numbers?
2, 5, 11, 19, 29
A. They are all even.
B. They are all evenly divisible by 2.
C. They are all prime.
D. They are all odd.
Of the 800 participants in a marathon, 120 are running to raise money for a cause. How many participants out of 100 are running for a cause
Estimate the perimeter and the area of the shaded figure to the nearest whole number in square units.
Answer:
perimeter= 8+8=16 units
area = 16+8=24 sq units
Find the zeros of the function. Enter the solutions from least to greatest. f (x)=(x -3)(2x -8)f(x)=(x−3)(2x−8)f, left parenthesis, x, right parenthesis, equals, left parenthesis, x, minus, 3, right parenthesis, left parenthesis, 2, x, minus, 8, right parenthesis \text{lesser }x =lesser x=start text, l, e, s, s, e, r, space, end text, x, equals \text{greater } x =greater x=start text, g, r, e, a, t, e, r, space, end text, x, equals
Answer:
Step-by-step explanation:
The zeros are the values of x for which f(x) = 0.
f(x) = (x-3)(2x-8) = 0
x = 3, 4
I need help ASAP please
Answer:
True, false, true
Step-by-step explanation:
Because the minimum value of f(x) is -1, and the minimum value of g(x) us -25. It comes only once.
Roots are the points on the x - axis or when the x is 0. The roots of f(x) are positive.
f(0) means when x is 0, so f(0) = 3 or 5, and g(0) = -24
Evaluate f(-2): SHOW ALL WORK
f(x) = 3/2x -4?
Answer:
-7
Step-by-step explanation:
f(-2) = 3/2(-2) - 4
f(-2) = -3 - 4
f(-2) = -7
Answer:
f(-2) = -7
Step-by-step explanation:
f(-2) means that for every x given in the equation, -2 would be substituted in it's place. Therefore;
[tex]f(-2)=\frac{3}{2} (-2) - 4[/tex]
f(-2) = -3 - 4
f(-2) = -7
Hope this helps!