Answer:
2 real solutions
Step-by-step explanation:
Determinant of a quadratic equation: [tex]b^2-4ac=(-3)^2-4\times2\times(-7-36)=353.[/tex]
Since the determinant is larger than 0, it has 2 real solutions.
Solve 7x- c = k for x
Answer:
D
Step-by-step explanation:
I know the answer is D because I set the equation to be equal to x.
First, I added c to both sides. The equation looked like: 7x=k+c
Then, I divided 7 on both sides, so x would be by itself. The equation looked like x=k+c/7
In conclusion, the answer is D. x=k+c/7
PLEASE HELP BOTS HAVE BEEN COMMENTING ON MY POSTS ALL DAY I NEED AN REAL ANSWER PLEASE IM DEPERATE
2) What is the area of the figure?
Answer:
9+7+4+5= 25
Step-by-step explanation:
add up everything then get ur answer
Please help I will give brainliest!
Answer:
1. 74.6° = m∠C 65.4° = m∠A a = 2.83
2. Triangle does not exist
Step-by-step explanation:
1. Use the law of sines to find m∠C
sin 40/2 = sin C/3
3sin 40/2 = sin C = .96418...
arcsin .96418... = 74.6° = m∠C
m∠A = 180 - 40 - 74.6 = 65.4°
a/sin 65.4 = 2/sin 40
a = 2 sin 65.4/sin 40 = 2.83
2. sin 95/4 = sin C/5
5sin 95/4 = sin C = 1.2452... which is impossible since the cosine of an angle is ≤ 1
to reflect point R(6, 10) over the y-axis. What are the coordinates for R’?
Answer:
-6, 10
Step-by-step explanation:
When you reflect of the y-axis the x will be negative if the original point was positive and the y will stay the same
Use long division to find the quotient of 1,467 and 58. What is the remainder?
Answer:
1467 divided by 58 equals
25 with a remainder of 17
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
album sells for 7 percent sales tax and 10 percent off what is the total price including tax
Answer:
Are you trying to find the price before the discount and tax?
Step-by-step explanation:
Also, what album are you buying? Lol
P.S. I'll change my answer when I understand.
Answer:
You didn’t give us the price of the album, but multiply it by 0.1 then subtract that form the original price then multiply that number you got by 0.07 and that on to the number you got from the number after the 10% discount
Step-by-step explanation:
Find the missing angle in the triangle,
x°
36°
111°
Answer:
33°
Step-by-step explanation:
you add the two numbers together and subtract from 180° to get your answer
BRAINLIEST FOR CORRECT ANSWER ASAP
Answer:
● equivalent
Step-by-step explanation:
○ equivalent
Answer:
the base is the answer 4
[tex] {42}^{2} [/tex]
Step-by-step explanation:
42 is the base
A triangle has two sides with lengths 7 m and 12 m. Which of the following lengths could represent the length of the third side? *
1 point
4 m
19 m
17 m
2 m
Answer:
i think its 17
please rate and leave a like :-)
PLEASE HELP !! ILL GIVE BRAINLIEST !!
Help help help help help help
Answer:
More than for the first box and less than for the second.
A baker uses 5 cups of flour to make 75 cookies. Using this same ratio, how many cups of flour will be needed for 45 cookies? Use the ratio table given to solve the problem.
Answer:
Since, the baker use 5cups for 75cookies.Then for 30 cookies number of cups=
=75/5
=15.
Therefore no. 1cups for 15cookies.so,for 30 cookies=
=15*2
=30.
So, 2cups are needed for 30cookies
..................................... help pls
Answer:
A
Step-by-step explanation:
A is the height since it shows the dotted line from top to bottom and B and C are slanted.
Answer:
Option AIs correspond line
Find the mean for the data set. 1600, 1800, 1205, 1360, 1205, 1135, 1895, 1400, 1955, 1710
Answer:
1526.5
Step-by-step explanation:
To find the mean...
Add all of the numbers and then divide by how many numbers there are.
1600+1800+1205+1360+1205+1135+1895+1400+1955+1710 = 15265
15265/10 = 1526.5
PLEASE HELP !! ILL GIVE BRAINLIEST !!
Answer:
ang(HIK) AND ang(GFD)
how much does a bike with an acceleration of 2ms^-2 take to increase it's velocity from 10ms^-1 to 30ms^-1? help!! with explainations and show the work, if possible. thank you!
Step-by-step explanation:
use the formula:
[tex]v = u + at[/tex]
v = 30 [final velocity]
u = 10 [initial velocity]
a = 2 [acceleration]
solve for t [time]
Find the value of x in the triangle shown below.
a.164
b.2
c.6
d.80
Answer:
C. 6
Step-by-step explanation:
According to Pythagprean theorem 10^2 = x^2 +8^2
100 = x^2+ 64 subtract 64 from both sides
36 = x^2
6 = x
Tara has 4 and 4 over 5 feet of rope.
Part A: How many 2 over 5 foot pieces can Tara cut from the 4 and 4 over 5 feet of rope? Show your work. (5 points)
Part B: Using the information in Part A, interpret the meaning of the quotient in terms of the two fractions given. (5 points)
I already got part a correct but I need help with part b, I don't understand it cause I'm d u m b pls help
9514 1404 393
Answer:
A) 12 pieces
B) the meaning of the quotient is that Tara got 12 pieces of length 2/5 ft from her 4 4/5 ft rope
Step-by-step explanation:
A) (4 4/5)/(2/5) = (24/5)/(2/5) = 24/2 = 12
Tara can cut 12 pieces from the rope.
__
B) The quotient is the answer to the question. The meaning of it is that Tara can get 12 pieces from the rope, in answer to the question, "how many pieces can Tara cut?"
It doesn't matter whether the numbers are whole numbers, decimals, fractions, or even irrational numbers. The whole is the sum of the parts, so the number of parts is equal to the size of the whole divided by the size of a part.
_____
Comment on the question
This sort of question seems to appear a lot in modern "common core" math materials. They tell you "x means <such and such>", and then they ask you, "What is the meaning of x?" It seems to be a reading comprehension exercise. Of course, the meaning of x is <such and such>, just as the problem statement tells you.
Can someone help me with this please ?
Answer:
x= 65
Step-by-step explanation:
x= 360- (130+75+90)
x= 360- 295
x= 65 degrees
Solve the following equation:
l -4 l x 5= x
x =
Help I don’t know what to do
Answer:
x=8
Angle DBC=32
Step-by-step explanation:
-DBC= ABC-ABD= 55-23=32
-4x=DBC=32
x=32/4=8
Kayli made 4 cups of soup for dinner. She ate 14 cups and her sister ate 11 cups. How much soup was left?
Answer:
-21 cups.
Step-by-step explanation:
4-14-11=-21
A muralist is painting the side wall of a building. The wall is shaped like a rectangle that is 60
feet long and has a diagonal length of 68 feet. If a gallon of paint can cover 800 square feet,
how many gallons will the muralist use?
Answer:
2.4 gallons
Step-by-step explanation:
to answer this question :
we have to determine the width of the rectangle.
determine the area
determine the gallons needed
Pythagoras theorem would be used to determine the width of the wall
The Pythagoras theorem : a² + b² = c²
where a = length
b = base
c = hypotenuse
60² + b² = 68²
3600 + b² = 4624
b = ²4624 - 3600 = 1024
√b = 32
Area of a rectangle = length x width
32 x 60 = 1920
Gallons needed = 1920 / 800 = 2.4 gallons
Which ordered pair represents a solution? *
A (0,2)
B (1,3)
C (3,1)
D (26)
01:09:23
What is the radius of this circle if the circumference is 18 cm?
0
3 cm
9 cm
18 cm
36 cm
Answer:
The formula for circumference of a circle is
2pi,R.
In which R= radius. Then we Insert 18 in for the circumstances.
so, 18=2πr
then solving for r
18=2
÷. ÷
2. 2
R = 9,,
Last year Jacob’s total sales were $512,045. This year he increased his sales to $595,679. What is the increase in sales
Answer:
$83,634
Step-by-step explanation:
The computation of the increase in sales is shown below:
Given that
The total sales is $512,045
And, the increase his sales to $595,679
So based on the above information
The increase in sales is
= $595,679 - $512,045
= $83,634
Hence, the increase in sales is $83,634 that means the sales would be increased by $83,634
The same should be considered and relevant
show how you got your answer
Write rational numbers between 0 and 1
-----------------------------------------------------------------------------------------
please also say how did you solve it
this question has 20 points
I will mark you as Brillant if you answer it
Step-by-step explanation:
0/1,1/1
Multiply it by any number
0/1×30=0/30
1/1×30=30/30
Now we have many choices
2/30,5/30,20/30,15/30.....so...on
Which equation represents 3/8 less than 7/8 of a number?
A. 3/8 -7/8n
B. 3/8n - 7/8
C. 7/8n-3/8
D. (7/8-3/8)n