Answer:
The equation of the straight line in point - slope form
y +1 = -2 ( x-2)
Step-by-step explanation:
Step(i):-
Given points are C( 2,-1) and D(1,1)
Slope of the line
[tex]m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} } = \frac{1-(-1)}{1-2} = \frac{2}{-1} = -2[/tex]
m = -2
Step(ii):-
Equation of the straight line passing through the point ( 2,-1) and having slope
m =-2
y - y₁ = m ( x- x₁)
y - (-1) = -2 ( x-2)
y +1 = -2 ( x-2)
Final answer:-
The equation of the straight line
y +1 = -2 ( x-2)
I need help for school
#1 *
1 point
Captionless Image
alrighty then but yyyyy
A dolphin starts at an elevation of feet. He kicks 5 times and increases his elevation by the same amount for each kick. He is now at an elevation of feet. Which equation can be used to find x, the number of feet the dolphin traveled with each kick? A dolphin starts at an elevation of feet. He kicks 5 times and increases his elevation by the same amount for each kick. He is now at an elevation of feet. Which equation can be used to find x, the number of feet the dolphin traveled with each kick?
Complete question :
A dolphin starts at an elevation of -16 3/4 feet. He kicks 5 times and increases his elevation by the same amount for each kick. He is now at an elevation of -5 1/4 feet. Which equation can be used to find x, the number of feet the dolphin traveled with each kick?
Answer:
2 3/10 feets
Step-by-step explanation:
Initial elevation = - 16 3/4 feets
Number of kicks = 5
Increase in elevation is the same for each kick
Final elevation = - 5 1/4 feets
Number of feets, x, dolphin travels per kick ;
Total elevation achieved after 5 kicks : ; change in elevation
Final elevation - initial elevation
16 3/4 - 5 1/4
67 /4 - 21/4
(67 - 21) / 4
= 46/4
Since change in elevation per kick is the same;
Number of feets traveled per kivk is ;
x = 46/4 ÷ 5/1
x = 46/4 * 1/5
x = (46*1) / (4*5)
x = 46/20
x = 2 6/20 = 2 3/10
Dolphin travels 2 3/10 feets per kick
Two students are both working on the same problem: A box of laundry soap has 25% more soap in its
new box. The new box holds 2 kg. How much soap did the old box hold?
Answer:
The answer would be 1.5kg.
Step-by-step explanation:
2/.25=.50
.50x4=2
100%-25%=75%
75%=1.5kg
my question is in the attachment
Answer:
x = 1
Step-by-step explanation:
[tex]\frac{4x-1}{2}+\frac{3x+4}{3}= \frac{23}{6}[/tex]
[tex]\frac{3(4x-1)}{6}+\frac{2(3x+4)}{6}= \frac{23}{6}[/tex]
[tex]\frac{12x-3+6x+8}{6}=\frac{23}{6}[/tex]
18x + 5 = 23
18x = 23 - 5
18x = 18
x = 1
Therefore, x = 1 is the solution of the given expression.
3x +7y=10 and I’m solving for y and I got multiple awnsers
Answer:
y = ~-0.43x + 1.43
Step-by-step explanation:
You are solving for Y.
3x + 7y = 10
7y = -3x + 10 ^ Subtraction Property of Equality
y = ~-0.43x + 1.43 ^ Division Property of Equality
which expression are equivalent to this exponential expression
Answer:To create an equivalent expression, you simply need to move the base and exponent to the other side of the fraction line and change the exponent to positive: 1/(24)
Step-by-step explanation:
can you help me please
Answer:
sine 23 = x/21
Multiply both sides by 21
21 x sine 23 = x
Now, use a calculator and find the answer of the 21 times the sine of 23:
x = -17.7706284876
What is the quadrilateral
Answer:
a quadrilateral is a four sided shape that has four straight sides
For each of the following angles, name the angle that is congruent.
Answer:
M is congruent to P, N is congruent to Q, and O is congruent to R.
Step-by-step explanation:
Congruent angles are angles with exactly the same measure.
Solve the following system of equations.
3x + 5y = 5
7x + 5y = 25
i need the value of x and y.
Answer:
x=5 and y=-2
Step-by-step explanation:
3x+5y=5
-(7x+5y=25)
-4x=-20
x=5
plug 5 into one of the equations. 3(5)+5y=5
y= -2
PLS HELP ASAP 24 POINTS
Answer:
Area: 8
Perimeter:12
Step-by-step explanation:
Length: 4
Width: 2
Not sure what you're asking lol
Area: length x width --> 8
Perimeter: 2l x 2w --> 12
Answer:
the area is 8 it starts in 0 and ends in 4 and goes down to -2
Step-by-step explanation:
still what do u want us to answer
help plsssssss with calculations ill give brainlist
Answer:
ill try to answer that has soon has am done with these one
Step-by-step explanation:
Answer :
ill try to answer that has soon has
am done with these one
PLEASE HELP ITS IMPORTANT omll
Answer:
F(x)= 3x-4
Step-by-step explanation:
To find the slope use the formula y2-y1
x2-x1
(2,2)
(0,-4)
-4-2 = -6 = 3x
0-2 -2
Kendra set a goal to walk 10 miles in one week. She walked 2 miles on Monday and 3 miles on Tuesday. Which equation represents the number of miles, w, Kendra still needs to walk?
Answer:
w + 5 = 1010 - 5 = wStep-by-step explanation:
Kendra has a goal to walk 10 miles in one week.
She has already walked 2 miles on Monday and 3 miles on Tuesday. This means that she has already walked:
= 2 + 3
= 5 miles
If she wants to walk a total of 10 miles with w being the remaining miles, the expressions will therefore be:
w + 5 = 10
or;
10 - 5 = w
20% of____ is 15 ????
Answer:
The Correct Answer is 3
Step-by-step explanation:
y-intercept: (___,___)
r-intercept: (___,___)
Answer:
y= 0,4 x=0,3
Step-by-step explanation:
How many calories will Darrel burn in 1 minute while kayaking
Answer:
210 calories : )
Step-by-step explanation:
hope this helps
Solve for X
Log x - log 3 = log(x-2)
Please please help
Step-by-step explanation:
[tex]log \frac{a}{b} = loga - logb[/tex]
logx - log3 = log(x-2)
[tex] log( \frac{x}{3} ) = log(x - 2)[/tex]
[tex] \frac{x}{3} = x - 2[/tex]
x = 3(x - 2)
x = .......
Will give 15 point
Easy math please explain your work
Answer:
Answer is 154
Step-by-step explanation:
Solve the inequality
−y/2 ≤ 4
Answer:
4 is greater
Step-by-step explanation:
A negative divided by a positive = a negative.
No matter what y is, it will be a negative number.
Meaning, 4 a positive number, will be greater no matter what y is
i’m giving out 25 points for the answer
Answer:
angle p+30=180=
=180-30=150
angle Q+55=180
=180-55=125
angle R+95=180
=180-95=85
Rewrite in slope-intercept form.
10x + 2y = 8
Enter your answer in the form y=mx+c
Simplify your answer if possible using integers or simplified fractions. Example: y=3/4x-2
10x+2y=8
Answer:
y = -5x + 4
Step-by-step explanation:
Solve for y
10x + 2y = 8
2y = -10x + 8
y = (-10x)/2 + 8/2
y = -5x + 4
What is the solution for -3w-4=w+4
Answer:
uhh
Step-by-step explanation:
carrot?
help now pls thank bye lol
Answer: 4 roots
Step-by-step explanation: Just look at the highest power and that will tell you the amount of roots, unless there are imaginary roots
Which value of y makes the equation 13 - y = 17 true
A y= -13
B y= -4
C y= 4
D y=13
-3+4b=3(b-2)
what do I have to do slove both sides
Answer:
b=-3
Step-by-step explanation:
distribute 3(b-2) and you get 3b-6.
-3+4b=3b-6
add 3 on both sides.
4b=3b-3
-3b on both sides
b=-3
Which is equivalent to 42x +49.
A. 2 (21 + 24)
B. 8x + 13
C. 4 (2x + 9)
D. 7 (6x + 7
Answer:
D. 7 (6x+7)
Step-by-step explanation:
Factor 7 out of 42x + 49
What is the largest value of $k$ such that the equation $6x - x^2 = k$ has at least one real solution?
Step-by-step explanation:
6x - x² = k
=> x² - 6x + k = 0,
For there to be at least 1 real solution,
The discriminant b² - 4ac must be at least 0.
We have (-6)² - 4(1)(k) >= 0.
Therefore 36 - 4k >= 0, k <= 9.
Hence the largest value of k is 9.
Answer:
9
Step-by-step explanation:
Rearranging, this is the equation x^2 - 6x = -k. Completing the square, we add 9 to both sides, and x^2 - 6x + 9 = 9 - k. Factoring the left side, we have (x - 3)^2 = 9 - k. In order for this equation to have at least one real solution, the right-hand side must be nonnegative. Thus, we have 9 - k [tex]\geq[/tex] 0 and k [tex]\leq[/tex] 9. Thus, the largest possible value of k is 9.
Find the value of the variables I’ll mark the brainiest!
Answer:
x=15, y=12, z=20
Step-by-step explanation:
y is the geometric mean of the two segments it divides.
9 · 16 = y^2
y=12
Use the pythagorean theorem to find x and z.
16^2 + 12^2 = z^2
z^2 = 400
z=20
9^2 + 12^2 = x^2
x^2 = 225
x=15