Answer:
right
Step-by-step explanation:
There is a right angle so the triangle is a right triangle
Answer:
right
Step-by-step explanation:
Which of the following points are solutions to the inequality below check all that apply
Answer:
A, C, and D
Step-by-step explanation:
By substituting the values of each of the points into the inequality, you can determine that A, C, and D are the correct answers.
Use ABC, in which AB = 48, AC = 64, and BC = 80, to answer the question.
B
80
48.
A
64
С
© 2016 StrongMind. Created using GeoGebra.
What is the ratio for cos B?
Answer:
[tex]CosB = \frac{48}{80}[/tex]
Step-by-step explanation:
Given
AB = 48, AC = 64, and BC = 80
Required
Determine the ratio of cosB
The first step is to determine, which type of triangle it is.
Checking for Right Angled Triangle
For a triangle to be a right angled triangle, the square of the largest side must be equal to the sum of squares of other sides
This implies that:
[tex]80^2 = 48^2 + 64^2[/tex]
[tex]6400 = 2304 + 4096[/tex]
[tex]6400 = 6400[/tex]
Hence, the triangle is a right angled triangle [See attachment]
From trigonometry;
[tex]CosB = \frac{Adjacent}{Hypotenuse}[/tex]
The adjacent of B = 48 while the hypotenuse is 80;
Hence;
[tex]CosB = \frac{48}{80}[/tex]
Hence, the ratio of cos B is [tex]CosB = \frac{48}{80}[/tex]
What is the volume of the cube below?
Answer:
C
Step-by-step explanation:
V=lwh
4 times x times x
4 x^2
What is the vertex of the graph of the function below? y = x^2 - 4x + 3 A. (1, -1) B. (1, 0) C. (2, -1) D. (2, 0)
Answer: (1, 0)
Step-by-step explanation:
Just plug in the coordinates for x and y to see if the final answer has x and y equivalent.
(0) = (1)^2 - 4(1) + 3
0 = 1 - 4 + 3
0 = -3 + 3
0 = 0
Answer:
(2, -1)
Step-by-step explanation:
Ap3x
Ben is 4 times as old as Ishaan. 6 years ago, Ben was 6 times as old as Ishaan. How old is Ishaan?
Answer:
15 years old.Ishaan is 15 years old.
Solution,
Let the age of Ben be X and ishaan be y.
Now,
X=4y
Six years ago,
[tex]x - 6 = 6(y - 6) \\ or \: x - 6 = 6y - 36 \\ or \: x - 6y = - 36 + 6 \\ or \: x - 6y = - 30[/tex]
Put the value of X
i.e X=4y
[tex]or \: 4y - 6y = - 30 \\ or \: - 2y = - 30 \\ or \: y = \frac{ - 30}{ - 2} \\ y = 15[/tex]
hope this helps..
Good luck on your assignment....
Start by setting up a chart based on age now
and age 6 years ago for Ben and Ishaan.
Since Ben is 4 times as old as Ishaan, use x to represent
Ishaan's age now and 4x to represent Ben's age now.
Ishaan's age 6 years ago would then be x - 6 and Ben's
age 6 years ago would be 4x - 6.
Now that your chart is filled out, read through the
second sentence of the problem to setup the equation.
Since the second sentence starts with 6 years ago,
we're going to be using the information in the
second column of our chart to setup the equation.
So 13 years ago, Ben, 4x - 6, was, equals,
6 times as old as Ishaan, 6(x - 6).
So we have the equation 4x - 6 = 6(x - 6).
Solving from here, we find that x = 15.
Steps are attache din the image provided.
Going back up to the chart, x represents Ishaan's age now.
So Ishaan is 15 years old now.
Can somewon please help me?
Answer:
Bobs Data: range from 2 to 8
Rosa Data range from 4 to 7
Step-by-step explanation:
Please help lots of points
Answer:
directrix
Step-by-step explanation:
The parabola is equidistant from the line called the directrix
and from a point called the focus
Answer:
The answer is B.
Find P(Not a 3)????????????
Answer:
0.85Option B is the right option.
Solution,
P(3)=0.15
P(Not a 3)=1-P(3)
=1-0.15
=0.85
Hope this helps...
Good luck on your assignment
Answer:
I think it's c im not to sure
Step-by-step explanation:
Which function is a quadratic function? y – 3x2 = 3(x2 + 5) + 1 y2 – 7x = 2(x2 + 6) + 7 y – 2x2 = 6(x3 + 5) – 4 y – 5x = 4(x + 5) + 9
Answer:
Option A.
Step-by-step explanation:
The general form of a quadratic function is
[tex]y=ax^2+bx+c[/tex]
It means, power of y should be 1 and highest power of x should be 2.
In option A,
[tex]y-3x^2=3(x^2+5)+1[/tex]
[tex]y-3x^2=3x^2+15+1[/tex]
[tex]y=3x^2+16+3x^2[/tex]
[tex]y=6x^2+16[/tex]
It is a quadratic function.
In option B,
[tex]y^2-7x=2(x^2+6)+7[/tex]
Here, power of y is 2. So, it is not be a quadratic function.
In option C,
[tex]y-2x^2=6(x^3+5)[/tex]
Here, highest power of x is 3. So, it is not be a quadratic function.
In option D,
[tex]y-5x=4(x+5)+9[/tex]
Here, highest power of x is 1. So, it is not be a quadratic function.
Therefore, the correct option is A.
Answer:
It is A
Step-by-step explanation: I took the test on edge 2020
Which statement about the function are true? Select two options
a,e
Step-by-step explanation:
correct on e2020
The university theater uses a combination of one letter (A – Z) and two digits (0 – 9) to identify their reserved seats. How many reserved seats are possible using a combination of one letter followed by two digits?
1.) 2600
2.) 234
3.) 260
4.) 2106
Answer:
Correct option: 1) 2600
Step-by-step explanation:
The letter has a total of 26 possible values (from 'a' to 'z'), and each digit has a total of 10 possible values (from 0 to 9).
So, to find the number of reserved seats possible, we just need to multiply the number of possible values of each letter and digit.
We have one letter and two digits, so we have:
26 * 10 * 10 = 2600 possible reserved seats
Correct option: 1)
Answer:
1.) 2,600
Step-by-step explanation:
Please help this is due in 30 minutes!
Answer:
[tex]1.\ 12\ feet = 4\ yards[/tex]
[tex]2.\ 4\ miles = 21120\ feet[/tex]
Step-by-step explanation:
Given
12 feet = _____ yard
4 miles = ____ feet
To start with;
we need to understand the unit of conversion between the two measurements;
1. 12 feet = _____ yard
To convert from feet to yard;
[tex]1\ foot = \frac{1}{3} yard[/tex]
This implies that;
[tex]12\ feet = 12 * \frac{1}{3} yard[/tex]
[tex]12\ feet = \frac{12}{3} yard[/tex]
[tex]12\ feet = 4\ yards[/tex]
2. 4 miles = ____ feet
To convert from miles to feet;
[tex]1\ mile = 5280\ feet[/tex]
This implies that;
[tex]4\ miles = 4 * 5280 feet[/tex]
[tex]4\ miles = 21120\ feet[/tex]
The total sales made by a salesperson was $25,000 after 3 months and $68,000
after 23 months. Predict the total sales after 41 months.
$ 106,742
$106,670
$106,800
$106,700
Answer: $106,700
Step-by-step explanation:
y = money amount
x = months
Slope (m) = change in y / change in x = (68000-25000) /(23-3)= 43,000/20= 2,150
Now, we have to write the equation in the form y =mx+b, using one of the points:
25000= 2,150(3) +b
25,000= 6,450+b
25,000-6,450=b
18,550=b
So, the final equation is:
y = 2,150x+18,550
So, when x=41 months
y = 2,150(41)+18,550
y= $106,700
Feel free to ask for more if needed or if you did not understand something.
Given f(x) = 2x – 3 and g(x) = x2, find f(g(3)).
Answer:
First find f(g(x))
= 2(x²)-3
= 2x² -3
f(g(3)) = 2(3)² -3
= 2(9) - 3
= 18 - 3
= 15
Hope this helps.
Answer:
f(x)=6 and g(x)=6
Step-by-step explanation:
This is going to look crazy but try to follow along. I did a similar equation and got the answer correct.
1. find g(x)
2. x=3*
3. g(3)=3·2
4. x=6
Wherever there is an x put the number 3.....ONLY for g(x)
* ONLY in g(x)
4. Solve for f(x)
Since the equation for f(x) is f(g(3)) and the answer in g(x) was 6 wherever there is an x in the equation f(x)=2x-3 put the number 6
5. f(6)=2·6-3
6.f(x)=2·3
7.f(x)=6
Help help help somebody please. I don’t know what to don
Answer:
-5
Step-by-step explanation:
f(x)=x-8
f(x)=-13
We know that f(x)=y for some number y so we have x-8=-13.
add 8 to both sides to obtain
x=-5
If there are 80 toys in a shop, 40% of them are for boys. 50% of the boy's toys and 50% of the girl's toys are made by the shop owner. How many more girl's toys than boy's are made by the owner?
Answer: 8 more girl toys than boy toys
Step-by-step explanation:
First you need to find out how many of the toys are for boys and girls.
———————————————
80 * 40 = 80 * 0.4 = 32
32 toys are for boys
———————————————
80 - 32 = 48
48 toys are for girls
———————————————
Now find 50% of the boy and girl toys.
32 * 50% = 32 * 0.5 = 16
48 * 50% = 48 * 0.5 = 24
———————————————
Now subtract the number of girl toys by the number of boy toys to find out how many more were made for girls than boys.
24 - 16 = 8
Wyatt’s eye-level height is 120 ft above sea level, and Shawn’s eye-level height is 270 ft above sea level. How much farther can Shawn see to the horizon? Use the formula d = StartRoot StartFraction 3 h Over 2 EndFraction EndRoot, h greater-than-or-equal-to 0 with d being the distance they can see in miles and h being their eye-level height in feet.
StartRoot 5 EndRoot mi
3 StartRoot 5 EndRoot mi
15 StartRoot 5 EndRoot mi
45 StartRoot 5 EndRoot mi
Answer:
The answer is 3√5 mi.
The formula is: d = √(3h/2)
Wyatt:
h = 120 ft
d = √(3 * 120/2) = √180 = √(36 * 5) = √36 * √5 = 6√5 mi
Shawn:
h = 270 ft
d = √(3 * 270/2) = √405 = √(81 * 5) = √81 * √5 = 9√5 mi
How much farther can Shawn see to the horizon?
Shawn - Wyatt = 9√5 - 6√5 = 3√5 mi
Answer:
its b
Step-by-step explanation:
i just did it
Find the student's error in solving the following
inequality.
31 <-5x + 6
25 <-5x
-5
What is the slope intercept equation of a line that has a slope of -2 and a y-intercept of (0, 3)
Answer:
y = -2 x +3
Step-by-step explanation:
If the slope must be "-2", then the slope intercept form of the line should look like;
y = m x + b
with the slope "m" = -2
That is:
y = -2 x + b
Now the constant "b" can be found using the info on the value of the y-intercept which is (0, 3), so when x = 0, the value of the y-coordinate must be 3. By imposing this condition into the equation, we can find the value of "b":
3 = -2 (0) + b
3 = b
Then the equation becomes:
y = -2 x +3
The life spasms of a computer manufacturer’s hard drives are normally distributed, with a mean of 3 years 6 months and a standard deviation of 9 months. What is the probability of a randomly selected hard drive from the company lasting between 2 years and 3 months and 3 years and 3 months? Use the portion of the standard normal table below to help answer the question.
Answer:
32%
Step-by-step explanation:
Got it right on the quiz.
Pls give me brainliest
Answer:
32%
Step-by-step explanation:
Which expression is equivalent to 16^3?
6^7
2^11
2^12
2^64
Answer:
2^12
Step-by-step explanation:
16^3 = (2^4)^3 = 2^(4x3) = 2^12
Hope this helps!
Answer:
2¹²
Step-by-step explanation:
= 16³
We'll divide 16 into the product of its prime factors
= ( 2×2×2×2)³
There are four 2s so it becomes 2⁴
= (2⁴)³
= 2⁴ˣ³
= 2¹²
What are the coordinates of the image of L for a dilation with center (0,0) and scale factor 1/4?
Answer:
[tex]K' = (\frac{1}{4} ,0)[/tex]
[tex]L' = (\frac{1}{4} ,1)[/tex]
[tex]M' = (\frac{5}{4} ,1)[/tex]
[tex]N' = (\frac{5}{4} ,0)[/tex]
Step-by-step explanation:
Given
K(1,0)
L(1,4)
M(5,4)
N(5,0)
Scale Factor = 1/4
Dilation with center (0,0)
Required
New coordinates of the quadrilateral
To get the new coordinates, we simply multiply the scale factor with each coordinate;
This is done as follows;
[tex]If\ K =(1,0),\ then;[/tex]
[tex]K' = \frac{1}{4} * (1,0)[/tex]
[tex]K' = (\frac{1}{4} * 1,\frac{1}{4}*0)[/tex]
[tex]K' = (\frac{1}{4} ,0)[/tex]
[tex]If\ L =(1,4),\ then[/tex]
[tex]L' = \frac{1}{4} * (1,4)[/tex]
[tex]L' = (\frac{1}{4} * 1,\frac{1}{4}*4)[/tex]
[tex]L' = (\frac{1}{4} ,1)[/tex]
[tex]If\ M =(5,4),\ then[/tex]
[tex]M' = \frac{1}{4} * (5,4)[/tex]
[tex]M' = (\frac{1}{4} * 5,\frac{1}{4}*4)[/tex]
[tex]M' = (\frac{5}{4} ,1)[/tex]
[tex]If\ N =(5,0),\ then[/tex]
[tex]N' = \frac{1}{4} * (5,0)[/tex]
[tex]N' = (\frac{1}{4} * 5,\frac{1}{4}*0)[/tex]
[tex]N' = (\frac{5}{4} ,0)[/tex]
Hence, the coordinates of the dilated figure are:
[tex]K' = (\frac{1}{4} ,0)[/tex]
[tex]L' = (\frac{1}{4} ,1)[/tex]
[tex]M' = (\frac{5}{4} ,1)[/tex]
[tex]N' = (\frac{5}{4} ,0)[/tex]
Two boats are moving towards each other from harbours that are 144 km apart. One boat is moving at 63 km.h-1 and the other boat at 81 km.h-1 . If both started their journey at the same time, how long will they take to pass each other?
Answer: 1 hour
Step-by-step explanation:
Let distance1 = x km
Distance2 = 144 - x
Speed S1 = 63 kph
Speed S2 = 81 kph
Time = Distance / Speed
When the jets pass each other
(144-x) / 81 = x/63
63(144-x) = 81x
9072 - 63x = 81x
x = 9072 / 144
x = 63 km
Time = 63/63 = 1 hour
Answer:
1 hr
Step-by-step explanation:
Keenan is making a model of a stadium using a scale in which 0.25 centimeters equals 10 feet. If the actual length of the stadium is 300 feet, how long is the model, in centimeters? Your answer can be exact or rounded to two decimal places. the answer is not (75,1200, or 9144.0 cm)
Answer:
7.5cm
Step-by-step explanation:
0.25 cm=10ft
x30. x30
7.5 cm=300ft
Hpoe this helps! :) :)
I WILL GIVE BRAINLEIST TO WHOEVER ANSWERS THIS FIRST
Is the value of 9−y twice as much as the value of y?
Answer:
I think it is greater because when you put the y alone it has the value of 1.
So, 9-y it will always be greater. It can be double and triple as well. I hope this helps you.
Step-by-step explanation:
Here are Xavier's bowling scores:
132, 140, 130, 190, 112, 200, 185, 172, 163,
151, 149
.
What is the lower quartile?
Answer:
Lower Quartile = 132
Step-by-step explanation:
Arranging it in ascending Order:
112, 130, 132, 140, 149, 151, 163, 172, 185, 190, 200
Lower quartile = [tex](N+1)^{th} Term \frac{1}{4}[/tex]
Where N = 11
Lower Quartile = [tex]\frac{1}{4} (12)^{th} Term[/tex]
Lower Quartile = 3rd Term
So,
Lower Quartile = 132
Answer: 132
Step-by-step explanation:
I NEED THE WORKING....
1/3 of 90°
Answer:
30°
Step-by-step explanation:
1/3 × 90
Multiply.
90/3
Divide.
= 30
Answer:
30°
Step-by-step explanation:
Taking a third of 90° is like sharing 90 apples amongst three people.
In effect everyone would have,
[tex] \frac{1}{3} * 90 apples \\ \\ \frac{90}{3}apples \\ \\ 30 apples [/tex]
In the angular world, this problem could be likened to a trisection of 90°, giving you 30°.
Hope it helps!
PLEASEEE HELPPPPPPPjjsek
Answer:
1.777777778
Step-by-step explanation:
hope that helps!
Answer:
16/9 or 1 2/9
Step-by-step explanation:
the fraction bar means divison
what is the length of DE?
PLEASE HELP Draw the polygon whose vertices are (-2, 3), (-2, -3) (3, 1) and ( 3, 7) ,
Answer:
Parallelogram
Step-by-step explanation:
When I graphed these points on a coordinate plane and connect the points, I see a parallelogram.
PLZ MARK BRAINLIEST!!!