please...i need help on number 17
Answer:
17) m = 35; n = 110
18) b = 90; c = 80; d = 100
Step-by-step explanation:
17)
2m = 70
m = 35
n + 70 + 70 + n = 360
2n + 140 = 360
2n = 220
n = 110
18)
b - 10 + b + 10 = 180
2b = 180
b = 90
b - 10 = c
90 - 10 = c
c = 80
b + 10 = d
90 + 10 = d
d = 100
Find the solution of the system of equations.
−2x+9y= -17
-x - 3y = -1
Answer:
x = 4 and y = −1
(4, -1)
Step-by-step explanation:
I going to solve this system of equations by elimination. (You could also solve by substitution too.)
Multiply the first equation by 1, and multiply the second equation by -2.
1(−2x+9y= -17)
-2(-x - 3y = -1)
Becomes:
−2x + 9y = −17
2x + 6y = 2
Add these equations to eliminate x:
15y = −15
15y/15 = -15/15
y = -1
Now we solve for x:
-x -3(-1) = -1
-x + 3 = -1
-3 -3
-x = -4
x = 4
Hope this helped!
The sum of twice a number, n, and 14 is 30. Write an equation that models this
statement. Then explain how you might use reasoning to find the value of n.
Answer:
2n +14 = 30 I can use inverse operations and solve for n.
Step-by-step explanation:
twice means 2 so twice a number,n, means 2 times n thus 2n.
sum means add so, 2n + 14
is means equal so 2n + 14 = 30
If you solve it you will find n = 8
what is the equation of the line that passes through the point (6,11) and is parallel to the line with the following equation?
y=2/3x-5
A. y=2/3x-15
B. y=-2/3x+17
C. y=-2/3x+5
D. y=2/3x+7
Answer:
D. y = 2/3x + 7Step-by-step explanation:
Parallel lines have same slope.
Use the given point and point-slope form:
y - 11 = 2/3(x - 6)y - 11 = 2/3x - 4y = 2/3x + 7Correct choice is D
Find the side length x of the shelf
Answer:
the length of x must be 10
Step-by-step explanation:
whats is the circumference of a circle with a diameter of 2 feet use 3.14 for π
Answer:
Hope it helps you!!!
Please mark as brainliest!!!!
Step-by-step explanation:
The formula for finding the circumference of a circle is pi x diameter. So it would be 3.14 x 2. And when you calculate it you get 6.28.
Answer:
6.28
Step-by-step explanation:
What number represents the opposite of point E on the number line?
Answer:
the number represent the opposite of E is 3
Kaitlin pumped 7 gallons of water into her pool each minute for 28 minutes. What was the total change in the amount of water in the pool?
Answer:
can you show more?
Step-by-step explanation:
find the distance between (3,7) and (8,7)
Answer:
5
Step-by-step explanation:
d = 5
For:
(X1, Y1) = (3, 7)
(X2, Y2) = (8, 7)
Distance Equation Solution:
d=(8−3)2+(7−7)2−−−−−−−−−−−−−−−√d=(8−3)2+(7−7)2
d=(5)2+(0)2−−−−−−−−−√d=(5)2+(0)2
d=25+0−−−−−√d=25+0
d=2–√5d=25
d=5
Answer:
5 units
Step-by-step explanation:
It is 5 units because when you plot (3,7) you have to move 5 units to the right.
Yes or No pick come on and answer
Answer:
The answer is yes to both!
Hope that helps - we're studying the Pythagorean theorem right now! :)
Step-by-step explanation:
Answer:
please give the picture so only I can able to answer
Help geometry!!!! Please show work
Answer:
A
Step-by-step explanation:
13 + 4 = 17
so A
Step-by-step explanation:
Side AB is Adj
Side BC is OPP
Side AC is HYP
Apply sine function.
[tex] \sin(x) = \frac{4}{13} [/tex]
Take the inverse of sine.
[tex] \sin {}^{ - 1} ( \frac{4}{13} ) = 17[/tex]
riverview soccer team won 10 games and drawn 2 out of 18 games so far this season. what is the probability they will lose their next game
natalie bought a 3/4 pound for flour for baking she used 2/3 of the flour to make cookies how many pounds of flour did she use
Solve the rational equation: 2x/x-4-2x-5/x^2-10x+24=-3/x-6
A. X=-0.64, x=1.44
B. There is no solution.
C. X=4, x=6
D. X=6.08, x=-0.58
Heellpppp plsss; timed test
Answer:
D. X=6.08, x=-0.58
Step-by-step explanation:
Given the rational expression
[tex]\frac{2x}{x-4}-\frac{2x-5}{x^2-10x+24} = \frac{-3}{x-6}\\\frac{2x}{x-4}-\frac{2x-5}{x^2-4x-6x+24} = \frac{-3}{x-6}\\\frac{2x}{x-4}-\frac{2x-5}{x(x-4)-6(x-4)} = \frac{-3}{x-6}\\ \\\frac{2x}{x-4}-\frac{2x-5}{(x-4)(x-6)} = \frac{-3}{x-6}\\Rerrange;\\\frac{2x-5}{(x-4)(x-6)} = \frac{2x}{x-4}+ \frac{3}{x-6}\\\frac{2x-5}{(x-4)(x-6)} = \frac{2x(x-6)+3(x-4))}{(x-4)(x-6)}\\[/tex]
Cancel out the denominator on both sides
[tex]2x-5 = 2x(x-6)+3(x-4)\\Expand\\2x-5 =2x^2-12x+3x-12\\2x-5 = 2x^2-9x-12\\Equate \ to \ zero\\2x^2-9x-12-2x+5 = 0\\2x^2-11x - 7 = 0\\[/tex]
Factorize
[tex]x = -(-11)\pm\frac{\sqrt{(-11)^2-4(2)(-7)} }{2(2)}\\x = 11\pm\frac{\sqrt{121+56} }{4}\\x = 11\pm\frac{\sqrt{177} }{4}\\x = 11\pm\frac{13.3 }{4}\\x = \frac{11+13.3}{4} \ and \ x = \frac{11-13.3}{4} \\x = 6.08 \ and \ - 0.58[/tex]
Hence the required solution is X=6.08 and -0.58
-2/3*3/5+5/2-3/5*1/6
Answer:
2
don't forget to follow meShow that the statement is true. If JK has endpoints J(9,0) and K(-3,-4), then the midpoint M of JK lles In Quadrant IV.
URGENT!!!!!!!
Answer:
True
Step-by-step explanation:
J(9 , 0) ; K(-3 , -4)
Midpoint = [tex](\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})[/tex]
[tex]= (\frac{9+(-3)}{2},\frac{0+(-4)}{2}\\\\\\= (\frac{6}{2},\frac{-4}{2})\\\\=(3 , -2)[/tex]
(3 , -2) lies in quadrant IV
WILL MARK BRAINLIEST
Answer:
its 30
Step-by-step explanation:
The point (-3,1) is moved 3 places in the negative y direction and 2 places in the positive x direction.
What are the coordinates of the new point?
Answer:
(-6, 4)
Step-by-step explanation:
Given the coordinate points (-3,1). If The point (-3,1) is moved 3 places in the negative y direction and 2 places in the positive x direction the required coordinate will be expressed ss;
X' = (-3-3, 1+3)
X = (-6, 4)
Hence the resulting coordinate will be at:(-6, 4)
Find the area!
188 inches squared
278 inches squared
322 inches squared
250.5 inches squared
Answer:
278 inches squared
Solve the right triangle. Round decimal answers to the nearest tenth.
The main question isn't supplied.
Answer:
Kindly check explanation
Step-by-step explanation:
A right - angled triangle is one which has one of its angles being 90°. Once we have a right angled triangle, the rule of Pythagoras can be applied in other to solve problems relating to obtaining sides of the triangle while trigonometric relations including :
Sinθ = opposite / hypotenus
Tanθ = opposite / Adjacent
Cosθ = Adjacent / Hypotenus
To obtain the angle θ; depending on which of the sides are given.
From Pythagoras :
c² = a² + b²
Where, c = hypotenus and the longest side if the triangle.
please help me i dont understand it
Answer:
B
Step-by-step explanation:
Its B I think Here go your answer.
4. Which cannot describe a system of linear equations?
A.) no solution
B.) exactly two solutions
C.) infinite solutions
D.) exactly one solution
Answer:
The is asking to choose among the following choices that cannot describe a system of linear equations and base on the choices, I would say that the correct answer among them is in letter B. exactly two solution, I hope you are satisfied with my answer and feel free to ask for more.
Line n intersects lines 1 and m, forming the angles
shown in the diagram below.
(6x + 42)
18x - 12)
Which value of x would prove ! || m?
1) 2.5
2) 4.5
3) 6.25
4) 8.75
What is the equation of the line?
Answer:
y = 4
Step-by-step explanation:
What is the Volume PLEASE HELP!!!!
Answer:
a
Step-by-step explanation:
its a because 12cm×10cm×9cm = 1,080cm
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Answer:
The answer would be C The high the number of miles a car has driven, the less gasoline is left in the tank
26. FUNDRAISING The Art Club receives $10 plus $2
for every sculpture they sell for a fundraiser. The
expression 2x + 10 represents the amount the Art
Club receives if they sell x sculptures.
Factor 2x + 10.
Answer
x+5
Step-by-step explanation:
2x+10 = 2(x+5)
[tex]x + y = 0 \\ y = {x}^{2} + 2xy[/tex]
can any one tell this answer with dafination and all steps
Answer:
(1, -1)
Step-by-step explanation:
Given the expression
x+y = 0 .....1
y = x²+2xy ....2
From equation 1, x = -y
Substitute into 3
y = x²+2xy
y = (-y)²+2(-y)y
y = y²-2y²
y = -y²
1 = -y
y = -1
Since x = -y
x = -(-1)
x = 1
Hence the required solution is (1, -1)
What are the solutions to the equation below
Answer:
x = -1.434, x = -0.232
Step-by-step explanation:
A 12-sided solid has equal-sized faces numbered 1-12
a. Find P(number greater than 10).
b.Find P(number less than 5)
c. If the 12-sided solid is rolled 200 times, how many times would you expect either a 4, 6, or 9 to be rolled?
Answer:
a) [tex]P(x > 2) = \frac{1}{6}[/tex]
b) [tex]P(x < 5) = \frac{1}{3}[/tex]
c) 50 times
Step-by-step explanation:
Given
[tex]S = \{1,2,3,4,5,6,7,8,9,10,11,12\}[/tex]
Solving (a): P(x > 10)
First, list all outcomes of x
[tex]x = \{11,12\}[/tex] --- 2 outcomes
So, the probability is:
[tex]P(x > 2) = \frac{2}{12}[/tex]
Simplify
[tex]P(x > 2) = \frac{1}{6}[/tex]
Solving (b): P(x < 5)
First, list all outcomes of x
[tex]x = \{1,2,3,4\}[/tex] --- 4 outcomes
So, the probability is:
[tex]P(x < 5) = \frac{4}{12}[/tex]
Simplify
[tex]P(x < 5) = \frac{1}{3}[/tex]
Solving (c): Expected outcome of 4, 6 or 9 in a roll of 200
We have:
[tex]n = 200[/tex]
First, list all outcomes of x
[tex]x = \{4,6,9\}[/tex] --- 3 outcomes
So, the probability is:
[tex]P(x ) = \frac{3}{12}[/tex]
Simplify
[tex]P(x ) = \frac{1}{4}[/tex]
The expected number of rolls (E(x)) is calculated as:
[tex]E(x) = P(x) * n[/tex]
[tex]E(x) = \frac{1}{4} * 200[/tex]
[tex]E(x) = 50[/tex]