Answer:
Hello!The answer would be D-(x-8) and (x-3)
Step-by-step explanation:
Your welcome :)
The factors of the function, If the zeros of a quadratic function are 3 and 8 will be (x - 3) and (x + 8), i.e. option D.
What is quadratic function?
Quadratic function is one of the form f(x) = ax² + bx + c, where a, b, and c are numbers with a not equal to zero.
We have,
Zeros of a quadratic function are 3 and 8,
Now,
Let,
[tex]\alpha = 8[/tex] and [tex]\beta=3[/tex]
So,
Now,
Using sum of zeros and product of zeros,
i.e.
[tex]\alpha+\beta=8+3=11[/tex]
And,
[tex]\alpha *\beta =8*3=24[/tex]
So,
The quadratic equation will be in form of ,
[tex]x^2-(\alpha+\beta)x+\alpha\beta=0[/tex]
i.e.
[tex]x^2-(8+3)x+24=0[/tex]
i.e.
[tex]x^2-8x-3x+24=0[/tex]
taking common,
x(x + 8) - 3(x - 8) = 0
(x - 3) (x + 8) = 0
So,
The factor of the quadratic equation are (x - 3) and (x + 8).
Hence, we can say that the factor of the quadratic equation are (x - 3) and (x + 8), i.e. option D.
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Autumn charges a flat fee of $8 plus $10 an hour babysitting. Write an equation that represents the cost, y, after x hours of babysitting
Determine the complement of an angle that measures 71 degrees
Answer:
Acute
Step-by-step explanation:
Answer:
19° as complementary means sum of angle is 90° so 90-71 = 19
The length of a rectangular birthday party invitation is 1 inch less than twice its width. The area of the invitation is 15 square inches.
The length of a rectangular birthday party invitation is 9 inch.
The length of a rectangular birthday party invitation is 1 inch less than twice its width.
Area of the invitation 15 square inches.
what is the area of the rectangle?
A=length× width
That is,the area of a rectangle is length times width.
let x be the width rectangle
width = x
length = 2x - 1
[tex]Area= 15 square inches[/tex]
Using these variables, set up the equation for area.
x(2x - 1) = 15
Solve the equation for x.
[tex]2x^{2} - x = 15[/tex]
Subtract 21 on both sides of the equation.
[tex]2x^{2} - x - 15=0[/tex]
Which method we use to factor the polynomial?
FOIL method
Factor using FOIL, if possible.
(2x +5)(x - 5) = 0
Set the factors equal to zero and solve for x.
2x = -5 and x - 5 = 0
x =- 5/2 or x = 5
x =- 2.5 or x=5
Since we cannot accept a negative value for dimensions, we accept the positive value of x:
x = 5
Therefore,
Length = 2(5) - 1
Length = 10-1
Length = 9
Therefore we get the length is 9 inch
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out of 30 questions on the maths test tomi knew the answer to 27 of them what percentage of questions did tomi know the answer for ?
Answer:
90
Step-by-step explanation:
[tex] \frac{27}{30} \times 100[/tex]
so after we cut the nessecary we get 90%
Hope this helps you
Mark as the brainlist
thank you
The percentage of questions did Tomi know the answer for is,
⇒ 90%
What is mean by Percentage?A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.
To Calculate the percent of a number , divide the number by whole number and multiply by 100.
We have to given that;
Out of 30 questions on the math's test Tomi knew the answer to 27 of them.
Hence, The percentage of questions did Tomi know the answer for is,
⇒ 27/30 × 100
⇒ 90%
Thus, The percentage of questions did Tomi know the answer for is,
⇒ 90%
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The area of a rectangular fence is 500 square feet. If the width of the
fence is 20 feet, then find its length.
Answer
Here the area and the width of the rectangular fence are given. We have to find length of the fence.
( diagram )
The area A of a rectangle is given by the formula A=lw where l is the length and w is the width.
Given that area is 500 square feet and width is 20 feet.
Substituting values in formula,
⇒500=l×20
⇒20/500
= 20/1×20
[ Dividing both sides by 20 ]
⇒l=25 feet
∴ length of rectangular fence is 25 feet.
Hence, the answer is 25.
I need help on this :/
Ignore my answer I accidentally clicked it
At a swim meet 20 medals were a warded. Four were gold metals 45% of the metals were silver the rest were bronze. What percent of the medals awarded were bronze
Answer:
35%
Step-by-step explanation:
To figure out the percentage of bronze medals, we must figure out the percentages of the gold and silver medals first.
We already know that 45% of the medals were silver.
We know that 4 of the 20 medals were gold.
4/20 as a percentage would be 20/100, or 20%.
So, 20% of the medals were gold, and 45% of them were silver.
45% + 20% = 65%
100% - 65% = 35%
So, 35% of the medals awarded were bronze.
I would appreciate brainliest, if not that's ok!
Please I need help.
Find the value of u.
Answer:
62 is the answer.
Step-by-step explanation:
I hope this helps you.
Which shape has two sets of parallel sides only?
rhombus
rectangle
parallelogram
quadrilateral
Answer: I really want you to look at the question and then answers and tell me, but the answer is Parallelogram. But seriously, that question is so easy even if you are mathematically challenged.
Answer:
all of the above except D because not all quadrilaterals have two sets of parallel sides
Step-by-step explanation:
can someone help me ): i think you should
Answer:
54+90+120+150+54= 468
D would be the answer
Answer:
D. 468 [tex]cm^{2}[/tex]
Step-by-step explanation:
a = 90 [tex]cm^{2}[/tex]
b = 120 [tex]cm^{2}[/tex]
c = 150 [tex]cm^{2}[/tex]
d = 54 [tex]cm^{2}[/tex] => 2d = 108 [tex]cm^{2}[/tex]
=> Total = 468 [tex]cm^{2}[/tex]
Please Help Me
A box sliding down an inclined plane attains a velocity of
27 m/s in 3 seconds from rest. Find the acceleration.
Answer Choices
9 m/s2
24 m/s2
30 m/s
81 m/s
Answer:
81 m/s
Step-by-step explanation:
If the box is sliding at 27 m per second, and it's been sliding for 3 seconds, then you should multiply 3 × 27 and your answer would be 81 m/s
A scalene triangle is rotated 90 clockwise about the origin. Which of the following statements is not true?
A. The new triangle is the same size as the original triangle.
B. The new triangle is the same shape as the original triangle.
C. The x-coordinates of the new triangle are the same as the x-coordinates of the old triangle.
Help !!!
Answer:
C.) The x-coordinates of the new triangle are the same as the x-coordinates of the old triangle.
Step-by-step explanation:
A and B are wrong the shape Becuase the size and shape dont change only the cordnites/orderd pairs change
PLEASE HELP !!!
I HAVE FOUR MINS
I WILL MARK AS BRAINLYIES!!!
Answer:
second choice
Step-by-step explanation:
4* 5[tex]\frac{2}{3}[/tex] = 4 * 17/3 = 68/3 = 22 2/3
Answer:
108/3 or 22 2/3
Step-by-step explanation:
Need help on this... first one to answer correctly gets a BRANLIST
Answer:
2(3+w) ≤ 12+8w-3w
6+2w≤12+5w
6≤12+3w
-6≤3w
-2≤w
w≥-2
Let me know if this helps!
A baby weighed 7.25 lbs at birth. At the end of 8
months, the baby weighed 2 $
%
times its birth
weight. How many pounds did the baby weigh at
the end of 8 months?
Answer:
The baby weighed 14.5 pounds at the end of 8 months
Step-by-step explanation:
Proportions
We know a baby weighed 7.25 pounds at birth.
It's given at the end of 8 months, the baby weighed twice its birth weight.
This means the baby weighed 2*7.25 = 14.5 pounds at the end of 8 months.
The baby weighed 14.5 pounds at the end of 8 months
Help please not sure about it!
Answer:
no se
Step-by-step explanation:
yo menos perdon
Find the area of the figure below in square centimeters. 10 cm 3cm 4 cm 6 cm
Urgent Please Help
Answer:
720
Because
area of squre =SIDE MULTIPLE BY SIDE
SO
10 MULTIPLE 3 MULTIPLE 4 MULTIPLE 6
SO ANS 720
What is the perimeter?
Answer: The perimeter of the complex figure is 32.
Step-by-step explanation:
Is it linear or non linear?
HELP PLEASE I WILL NARK BRAINLIEST
Answer:
The answer is B, y ≥ 1/3 x - 1.
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
I went to Quizlet and found my answer.
Write as a single power of 6
(6^5)^4
Answer:
6^20
Step-by-step explanation:
When two indices are in brackets, you just have to multiply them.
Which relationship describes angles 1 and 2?
supplementary angles
complementary angles
vertical angles
adjacent angles
Answer:
vertically opposite angles
Answer:
it's is a vertical angel they are equal each other ( = )
[tex]1 = 2[/tex]
A park is in the shape of a rectangle 300 feet long 50 feet wide Amaya is standing at one corner of the park at point x he then walks in a straight line to the opposite corner at point y how far does he walk rounded to the nearest tenth
Answer:
[tex]304.1\ \text{feet}[/tex]
Step-by-step explanation:
The dimensions of the rectangle are 300 feet long 50 feet wide
The length between [tex]x[/tex] and [tex]y[/tex] will be the length of the diagonal of the rectangle.
Length of the diagonals can be found using the Pythagoras theorem
[tex]\sqrt{300^2+50^2}=304.138\approx 304.1\ \text{feet}[/tex]
The distance walked from [tex]x[/tex] to [tex]y[/tex] is [tex]304.1\ \text{feet}[/tex].
Find the sum of 6x^2 + 10x -1 and -5x^2 -2x+1
Answer:
x² + 8x
Step-by-step explanation:
i didn't listen when my teacher was showing us this as a review so i don't remember how to do it can someone give answer and explain if possible
Jacob has 17 yards of fabric. He uses 1 third of it to make a cape. How many yards of fabric does Jacob use for the cape? Solve on paper. Write your answer as a mixed number. 17 yards ? Jacob uses yards of fabric for the cape.
Answer:
Joseph used [tex]5\frac{2}{3}\ yards\ of\ cape[/tex]
Step-by-step explanation:
Total fabric available = 17 yards
fraction used = one-third = 1/3
Let us convert this fraction to actual number
He used one-third of total
= [tex]\frac{1}{3}\ of\ 17\\=\frac{1}{3} \times \frac{17}{1} = \frac{17}{3}[/tex]
To convert to mixed number, look for the closest number to the numerator that the denominator in the fraction can divide, and write it as the whole number in the mixed fraction, the remainder becomes the numerator of the new fraction:
The closest number to 17 that 3 can divide without a remainder is 15 and 3 can divide 15, 5 times, while the remainder becomes 2
[tex]\therefore \frac{17}{3} = 5\frac{2}{3}\ yards\ of\ cape[/tex]
Miguel has triple David's money, while Lisbeth has ten dollars less than David. The sum of their money totals $95. How much money does David have?
Answer:
Miguel has $63
Lisbeth has $11
David has $21
Step-by-step explanation:
let Miguel share be M
let Lisbeth share be L
let David share be D
from the question, we know that
M=3D
L=D-10.
M+L+D=95
thus,
3D+(D-10)+D= 95
3D+D-10+D= 95
5D-10 = 95
5D= 95+10
5D= 105
D= 105/5
D= 21.
thus,
M = 3D = 3×21
= $63
L = D-10 = 21-10
= $11
(63+21+11)$ = $95
2nd Question.... Will mark brainiest
Answer:
c
Step-by-step explanation:
40x3.14=125.6
Answer:
C
Step-by-step explanation:
so you use your diameter 40 and multiply it by it by 3.14 to get your circumfrence
Bruce has a spinner with four equal sections that are labeled A, B, C and D. He spun the spinner 8 times. It landed on A 3 times, B 1 time, and C 4 times. If he spins the spinner a 9th time, which of the following statements is true?
A. It is equally likely to be A, B, C, or D.
B. It is more likely to be D because it has not been landed on.
C. It is more likely to be C because it has landed on C the most.
D. It is not likely to be D because it has not been landed on.
Answer:
the answer would be A.
Step-by-step explanation:
because it done not matter how many times the spinner has landed on a certain letter it is still always gonna be a 1/4th chance to land on any letter
Hey I'm Chloe, Can You Help Me Thank you :)
Water and lemon juice are mixed by ounces in the ratio of 4:1, respectively, to make lemonade. In order to make 40 ounces of lemonade, how many ounces of water do you need?
Answer:
32
Step-by-step explanation:
I'm assuming the water is the "4" in the ratio here so it would be 32 water and 8 lemonade