Answers
Answer:
[ 0 ]
Step-by-step explanation:
The order of the matrix [ 3 1 1 ] is 1 by 3 and the order of the other matrix is 3 by 1 so this means that the order of the answer matrix is 1 by 1. So we multiply matrices row by columns.
[ 3 1 1 ] × | 2|
| -6|
| 0|
[ 3 × 2 + 1 × -6 + 1 × 0 ]
[ 6 - 6 + 0 ]
[ 0 ]
Related Questions
Given (x – 1)2 = 50, select the values of x.
x=-49
x=51
x=1+5sqrt{2}
x=1-5sqrt{2}
Answers
Answer:
C and D.
Step-by-step explanation:
We want to solve the equation:
[tex](x-1)^2 = 50[/tex]
We can take the square root of both sides. Since we are taking an even root, we need plus/minus:
[tex]\displaystyle (x-1) = \pm\sqrt{50}[/tex]
Note that:
[tex]\sqrt{50} = \sqrt{2\cdot 5^2} = 5\sqrt{2}[/tex]
Hence:
[tex]\displaystyle (x - 1) = \pm5\sqrt{2}[/tex]
And by adding one to both sides:
[tex]\displaystyle x = 1 \pm 5\sqrt{2}[/tex]
In conclusion, our answers are both C and D.
How many names would be said if in a room of 875 people each said everyone name?
Answers
Answer:
765625
Step-by-step explanation:
because 875x875 is 765625
Answer:
765,625 names if each says their own name, 764,750 if they don't. (Although, if you wanna get technical, only 875 names are being said, since they're repeating the same names over and over again)
Step-by-step explanation:
Alrighty, this is complicated. Just to make it easier, we're going to switch the word "names" to "words."
There are 875 people in the room, and each one of them is saying 875 words (assuming it includes their own name). So to figure out how many words would be said, you multiply 875 by 875, which gives you 765,625 words. If they say everyone's name EXCEPT their name, then subtract 875, which gives you 764,750.
can someone help me please?
Answers
An exponent is added to a term when the term is multiplied by itself. The exponent s value is the number of times the term is multiplied by its self.
There are 2 a’s so a x a = a^2
There are 3 b’s so you have b^3
There are 2 c’s so it is c^2
The equation becomes: a^2 x b^3 x c^2
Answer:
[tex]a \times a \times b \times b \times b \times c \times c = {a}^{2} \times {b}^{3} \times {c}^{2} \\ thank \: you[/tex]
pls hello ASAP 3/4+(2 1/2)
Answers
Answer:
Step-by-step explanation:
Which polygon has two sets of parallel sides?
A. Which polygon has two sets of parallel sides?
A.
B.
C.
D.
B.
C.
D.
Answers
Answer:
No. D
please mark me as brainliest please
Answer:
The trapezoid.
(it's the third picture)
Which point is located at -0.905?
В.
H
-0.9
HHH
-0.8
-1
Choose 1 answer:
A
Point A
B.
Point B
Point C
Point D
Answers
Answer:
point b is located at -0.905 . If it was -0.95 then it would be point A
Answer:
point B
I hope it's helps you
What is the base length of a rectangle with a height of 23 ft and an area of 437 ft??
Enter your answer in the box.
Answers
Answer:
Answer is 19
Step-by-step explanation:
firstly,the area of a rectangle is =LxW
secondly since there is no number for length,we use X for representing the number ,then height is used for representing breath and the number is 23ft and area is 437ft
so we solve,
LxW=AREA
Xx23=437
23X/23=437/23
X=19
therefore the length is =19
You plan to cut a board into 3 pieces to repair part of a railing. You are going to cut the two ends of the board off into two equal pieces that are 1.1 feet long, if the remaining piece needs to be 2.30 times longer than the each of the first two cuts what length board should you buy? Round to the nearest tenth.
Answers
Answer:
The board should be 4.7 feet long.
Step-by-step explanation:
To find the remaining piece, you just multiply 1.1 by 2.3 which is 2.53. That's the length of the remaining piece.
Then you add all the pieces together.
1.1+1.1+2.53 =
4.73
Round and add label.
4.7 feet
The value of the 7 in 37,560 is blank the value of the 7 and 4,720
Answers
Answer:
The value of the 7 in 37, 560 is greater than the value of the 7 in 4, 720.Step-by-step explanation:
In 37, 560, the value of 7 is 7, 000; in 4, 720, the value of 7 is 700.7, 000 > 700[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]
ILL MARK BRAINIEST IF YOU DO THIS RIGHT!!!
Answers
Answer:
Company D is the correct choice. With a flat rate of $150 plus the hourly fee of $5, you add the hourly to the flat fee. So in this case, $150 + 7($5) = $185. This comes out to be the lowest price out of the 4 options provided.
Step-by-step explanation:
I derped. I'm sorry. Here is the answer as an actual answer :)
Answer:
Company C
Step-by-step explanation:
Find a16 of the sequence 1, 6, 11, 16, ....
A. 81
B. 66
C. 76
D. 71
Answers
Answer:
C. 76
Step-by-step explanation:
Since the numbers add up by 5, you can use this equation. 5x-4. Plug in 16 for x to get the answer which is 76.
PLEASE show all work!!!
If the base of a rectangle is 28 cm and the area is 588 cm^2, what is the height of the rectangle?
Answers
The base of the rectangle , b = 28 cm
The area of the rectangle , A = 588 cm^2
Therefore , the height of the rectangle , h = A/b
=588/28 cm = 21 cm .
Plsss helpppp worth 100 points + other 2 questions
1. The following sinusoid is plotted below. Complete the following steps to model the curve using the cosine function. (1st picture)
a) What is the phase shift, c, of this curve?
b) What is the vertical shift, d, of this curve?
c) What is the amplitude, a, of this curve?
d) What is the period and the frequency factor, b, of this curve?
e) Write an equation using the cosine function that models this data set.
2. The following points are a minimum and a maximum of a sinusoid. Complete the following steps to model the curve using the sine function.
(4.5, 2), (1.5, 22)
a) What is the vertical shift, d, of this curve?
b) What is the amplitude, a, of this curve?
c) What is period and the frequency factor, b, of this curve?
d) Write an equation using the sine function that models this curve.
Answers
Answer:
1.)
A.) phase shift is c = 6
B.) Vertical shift is 21 units down
C.) The amplitude is 5 from the midline at y = -21
D.) The period is 16 and the frequency factor is pi/8
E.) 5 cos(pi/8(x - 6)) - 21
2.)
Answer:
A.) Vertical shift is 12 units down
B.) The amplitude is 10
C.) The period is 6 and the frequency factor is pi/3
D.) Equation: y = 10sin(pi/3(x)) + 12
Answer:
1.)
A.) phase shift is c = 6
B.) Vertical shift is 21 units down
C.) The amplitude is 5 from the midline at y = -21
D.) The period is 16 and the frequency factor is pi/8
E.) 5 cos(pi/8(x - 6)) - 21
2.)
Answer:
A.) Vertical shift is 12 units down
B.) The amplitude is 10
C.) The period is 6 and the frequency factor is pi/3
D.) Equation: y = 10sin(pi/3(x)) + 12
Step-by-step explanation:
According to the table. what is the ratio of pattern 2 to pattern 1?
A) 1/4
B) 1/2
C) 2/1
D) 1
Please answer QUICK
Answers
Answer:
1/2.
Step-by-step explanation:
When pattern 2 is 2, pattern 1 is 4 so its 2/4 = 1/2.
What is the quotient of 8,595 ÷ 24?
Answers
Hey there!
The quotient of 8595 ÷ 24 would be 358.125.
Hope this helps!
Have a great day!
Tyron made 60 cakes. He gave 20% of his cakes to Ana . And 1/6 of his cakes to Dora. What fraction of the 60 cakes does he have left?
Answers
Answer:
19/30
Step-by-step explanation:
Total cakes made by Tyron = 60
Cakes given to Ana = 20% of 60
[tex]=\dfrac{20}{100}*60\\\\= 2*6\\\\= 12 \ cakes[/tex]
Number of cakes given to Dora= [tex]\dfrac{1}{6}*60=10[/tex]
Remaining cakes = 60 - ( 12 +10)
= 60 - 22
= 38 cakes
Fraction of left cakes = [tex]\dfrac{38}{60}=\dfrac{19}{30}[/tex]
Solve x4 − 4x2 − 12 = 0.
Answers
Answer:
x^2+2=0 or x^2−6=0
Step-by-step explanation:
x^4-4x^2-12=0
(x^2+2)(x^2−6)
x^2+2=0 or x^2−6=0
Answer:
x=6
Step-by-step explanation:
Hope It Help!
Thanks
three less than twice a number is fifteen
what is the answer?
Answers
Answer:
2X–3 =15
2X=15+3
2X=18
X=18/2
X= 9
I hope I helped you^_^
Answer:
18
Step-by-step explanation:
SEE THE IMAGE FOR SOLUTION
HOPE IT HELPS
HAVE A GREAT DAY
a + b = 0 Which of these is equal to b?
0
1/a
a
-a
Please help!
Answers
Answer:
The answer is -a
Step-by-step explanation:
from equation,
[tex]a+b=0\\=>b=0-a[/tex]
∴[tex]b=-a[/tex]
Therefore, -a is equal to b
hope you have understood this....
pls mark my answer as the brainliest
5/12 divided then turned into decimal and rounded near hundredth
Answers
[tex]\\ \sf\longmapsto \dfrac{5}{12}[/tex]
[tex]\\ \sf\longmapsto 0.4166[/tex]
Round to nearest thousand[tex]\\ \sf\longmapsto 0.417[/tex]
Round to nearest hundredth[tex]\\ \sf\longmapsto 0.42[/tex]
Step-by-step explanation:
0.417 round to the nearest hundredth
Find the perimeter of the polygon with vertices Q(-3,2), R(1,2), S(1,-2), and T(-3,-2)
The perimeter is blank units
Plz ASAP!!!
Answers
Answer: The perimeter is 16 units
Step-by-step explanation:
سر
.
A particular satellite is 15 m wide. A model
of it was built with a scale of 1 cm: 5 m.
How wide is the model?
Answers
Answer:
3cm
Step-by-step explanation:
A particular satellite is 15 m wide
Model of it was built with a scale of 1 cm: 5 m
=> scale of the model will be: 1/500cm and A particular satellite is 1500 cm wide
=>1500*1/500=3(cm)
HELP PLZ
The running back for the Southern High School wears his lucky number
48
on his jersey. During his last three games, he carried the ball 58 yards, 49
yards, and
53 yards. What was his total yardage for those last three games. *I have to use the CUBES method so plz show you using that method*
Answers
Answer:
160 yards total
Step-by-step explanation:
https://i1.wp.com/caffeinequeenteacher.com/wp-content/uploads/2014/12/cubes-math-strategy-for-word-problems-blog-image.jpeg?resize=1032%2C1536&ssl=1 that link show you what cubes method is. You can take my answer and put it into cubes method form.
Find the area of a cell phone screen with an 8 inch diagonal that has an aspect ratio of 2:3.
Round answer to the nearest square inch.
Answers
The actual diagonal is 8 inches so the sides need to be scaled by 8/sr(13)
The screen area will be 2 x 8/sr(13) x 3 x 8/sr(13) = 29.539....
Rounded to nearest sq.inch this is 30 sq.inch
The answer if any body knows it
Answers
Answer:
[tex]A=\pi(336)[/tex]
[tex]A=1055.575[/tex]
Step-by-step explanation:
1. Approach
One is given a prism. The base of the prism is a quarter of a circle, the prism's length is also given. The easiest method to find the volume of the prism is to find the area of the quarter of the circle, then multiply the result by the length of the prism.
2. Find the area of the quarter circle
The following formula can be used to find the area of a circle,
[tex]A_c=(\pi)(r^2)[/tex]
Since one is trying to find the area of a quarter of a circle, one must multiply this formula by ([tex]\frac{1}{4}[/tex]). Please note that the parameter (r) represents the radius of the circle or the distance from the center of the circle to the circumference or outer edge of the circle. The parameter ([tex]\pi[/tex]) represents the number ([tex]3.1415...[/tex]).
[tex]A_c=\frac{1}{4}(\pi)(r^2)[/tex]
Substitute the given values into the formula and simplify to evaluate,
[tex]A_c=\frac{1}{4}(\pi)(r^2)[/tex]
[tex]A_c=\frac{1}{4}(\pi)((8)^2)[/tex]
[tex]A_c=\frac{1}{4}(\pi)(64)[/tex]
[tex]A_c=(\pi)(16)[/tex]
[tex]A_c\approx 50.2655[/tex]
3. Find the volume of the prism
Now multiply the area of the quarter circle by the length of the prism to find the volume of the prism. Note that the parameter (l) represents the length of the prism,
[tex]A=A_c(l)[/tex]
Substitute and simplify to evaluate,
[tex]A=(\pi)(16)(21)[/tex]
[tex]A=\pi(336)[/tex]
[tex]A=1055.575[/tex]
What is the value of f(x) when X=-3
f(x) = 2x2 + 4x+10
A. -14
B. -8
C. 16
D. 34
Answers
16
Step-by-step explanation:
f(x) = 2x^2 + 4x + 10
f(-3) = 2(-3)^2 + 4(-3) + 10
f(-3) = 2(9) + (-12) + 10
f(-3) = 18 + (-12) + 10
f(-3) = 16
f(x) = -3x2 + 3x + 7
Find f(8)
Answers
Answer:
f(8) = -161
Step-by-step explanation:
f(x) = -3x^2 + 3x + 7
f(8) = -3(8)^2 + 3(8) + 7
f(8) = -192 + 24 + 7
f(8) = -161
23 - C<6
I cannot find the answer can someone help me?
Answers
Answer:
C > 17
Step-by-step explanation:
23 - C < 6
-23 -23
-----------------
-C < -17
multiply both sides by -1
(-c) (-1) > (-17) (-1)
C > 17
type the correct answer rounded to the nearest ten dollars
Answers
Answer:
$120.00
Step-by-step explanation:
brainliest please
I just need some help in math. This problem specifically
Answers
Answer:
∠ ABD = 37° , ∠ DBC = 58°
Step-by-step explanation:
∠ ABD + ∠ DBC = ∠ ABC , substitute values
2x + 23 + 9x - 5 = 95 , that is
11x + 18 = 95 ( subtract 18 from both sides )
11x = 77 ( divide both sides by 11 )
x = 7
Then
∠ ABD = 2x + 23 = 2(7) + 23 = 14 + 23 = 37°
∠ DBC = 9x - 5 = 9(7) - 5 = 63 - 5 = 58°
Step-by-step explanation:
Here are all the steps. First, you need to find the value of x . After finding x , just put the answer in the equation and calculate it .