Answer:
- [tex]\frac{15}{4}[/tex]
Step-by-step explanation:
Given
3x - 8y = 39 ← substitute x = 3 into the equation
3(3) - 8y = 39
9 - 8y = 39 ( subtract 9 from both sides )
- 8y = 30 ( divide both sides by - 8 )
y = [tex]\frac{30}{-8}[/tex] = - [tex]\frac{15}{4}[/tex]
The measure for angles OGJ is 44 degress. What is the measure to angle KGL if they for a supplementary angle?
Answer:
I believe it would be 136
Step-by-step explanation:
If it is supplementary, 2 angles added equal 180 degrees, so if you subtract 180 from 44 you get 136 for KGL
What’s the value of X
Answer:
37
Step-by-step explanation:
The angle with a red square is 90, because it's a right angle. 53 + 90 is 143. 180 is the sum of all the angles in a triangle, so you do 180-143. 180-143=37
Answer:
37
Step-by-step explanation:
90+53=143
a triangle is 180 degrees.
180-143=37
When Dalvin runs the 400 meter dash, his finishing times are normally distributed with a mean of 65 seconds and a standard deviation of 1 second. Using the empirical rule, what percentage of races will his finishing time be between 64 and 66 seconds?
Answer:
68%.
Step-by-step explanation:
Dalvin's finishing time is normally distributed with a mean of 65 seconds and a standard deviation of 1 second.
Under the empirical rule, 68% of the results will be within 1 standard deviation.
Since the standard deviation is 1 second, 68% of Dalvin's finishing time will be between 64 and 66 seconds.
What is the slope of the line? Just put the number that represents the
slope (no units). *
Answer:
3/3 or just 3.
Step-by-step explanation:
everytime the line crosses the x and y coordinates is basically a plot. so counting from the bottom left hand corner to the "plot" in the middle is 3/3 because it rises three and runs positive 3.
I need this asap ty:p
Which of the following equations are equations of a direct variation? Choose all that apply.
(a) x=−2y
(b) x+2y=12
(c) 3x−2y=0
(d) 5x^2+y=0
(e) y =0.3x +1.6
(f) y−2=x
Answer:
(a) x = -2y
(c) 3x - 2y = 0
Step-by-step explanation:
You can tell if an equation is a direct variation equation if it can be written in the format y = kx.
Note that there is no addition and subtraction in this equation.
Let's put these equations in the form y = kx.
(a) x = -2y
y = x/-2 → y = -1/2x This is equivalent to multiplying x by -1/2, so this is an example of direct variation.(b) x + 2y = 12
2y = 12 - x y = 6 - 1/2x This is not in the form y = kx since we are adding 6 to -1/2x. Therefore, this is NOT an example of direct variation.(c) 3x - 2y = 0
-2y = -3x y = 3/2x This follows the format of y = kx, so it is an example of direct variation.(d) 5x² + y = 0
y = -5x²This is not in the form of y = kx, so it is NOT an example of direct variation.(e) y = 0.3x + 1.6
1.6 is being added to 0.3x, so it is NOT an example of direct variation.(f) y - 2 = x
y = x + 2 2 is being added to x, so it is NOT an example of direct variation.The following equations are examples of direct variation:
x = -2y 3x - 2y = 0Answer:
(a) x = -2y
(c) 3x - 2y = 0
Step-by-step explanation:
You can tell if an equation is a direct variation equation if it can be written in the format y = kx.
Note that there is no addition and subtraction in this equation.
Let's put these equations in the form y = kx.
(a) x = -2y
y = x/-2 → y = -1/2x
This is equivalent to multiplying x by -1/2, so this is an example of direct variation.
(b) x + 2y = 12
2y = 12 - x
y = 6 - 1/2x
This is not in the form y = kx since we are adding 6 to -1/2x. Therefore, this is NOT an example of direct variation.
(c) 3x - 2y = 0
-2y = -3x
y = 3/2x
This follows the format of y = kx, so it is an example of direct variation.
(d) 5x² + y = 0
y = -5x²
This is not in the form of y = kx, so it is NOT an example of direct variation.
(e) y = 0.3x + 1.6
1.6 is being added to 0.3x, so it is NOT an example of direct variation.
(f) y - 2 = x
y = x + 2
2 is being added to x, so it is NOT an example of direct variation.
The following equations are examples of direct variation:
x = -2y
3x - 2y = 0
maths
Lesson
4 candies
cost
£3.60. Find the cost of 1 candle
Answer:
£0.90
Step-by-step explanation:
The solids are similar. Find the volume of the smaller solid.
Answer:
the smaller solid is 121.5
Step-by-step explanation:
Miguel places an 18-foot ladder 8 feet from the base of his house and leans it up
against the side of his house. Find, to the nearest degree, the measure of the
angle the bottom of the ladder makes with the ground.
*
18 ft
o
8 ft
Answer:
18 ft
Step-by-step explanation:
Write the equation of the line in slope-intercept form
with a slope of – 2/3and passes through the point
(6,-4).
Answer: Y = 7/8x+ 2.25
Step-by-step explanation:
you would subtract both y 7 subtract both x -8 y=7/8x+b 3= 7/8 x-2 +b 3 = 1.75 + b -1.75 -1.752.25 = bWhat symbol should I use?
Answer:
>
Step-by-step explanation:
6.25 L is the same as 6250 mL, which is greater than 625 mL.
Hope it helps!
Simplify the ratio 25:35
Answer:
5:7
Step-by-step explanation:
Step-by-step explanation:
5:7 is the simplified fraction of 25:35
Calculate the Approximate value.
√46
Answer:
6.782329983
Step-by-step explanation:
Gina Wilson unit 4 homework 6
What do you mean????
Can somebody tell me the answer to this please
Answer: D
Step-by-step explanation: We first need to solve the inequality.
First subtract 10 from both sides to get -x < -8.
Now divide both sides by -1, but watch out.
If you multiply or divide both sides of an inequality by
a negative number, you must switch the direction of the inequality sign.
So we have x > 8.
Start with an open dot at 8 and draw and arrow to the right.
We use an option dot since x is greater than but not equal to 8.
So option D is your answer.
Answer:
The correct answer is D
Step-by-step explanation:
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!
Follow the order of operations to simplify
1. 60 ÷ 10×3
2. 12 + 3×7
3. 4×3+2×8
A recipe for peach cobbler requires 10 peaches for each cobbler.
Sarah has 38 peaches. Which expressions shows at most the
number of cobblers Sarah can make?
Answer:
3
Step-by-step explanation:
38 / 10 = 3.8 so that means you only have 3 whole numbers
[tex]y = - \frac{1}{2}x + 9[/tex]
please help me :(.
BRAINLIEST for anyone who can answer
Answer: a) -2,1 , 0,1 , 2,1
b) C
Step-by-step explanation:
HERES ANOTHER ONE PLEASE HELPPP
Answer:
30.
Step-by-step explanation:
you get tot the 180-50=120.
120÷2=60
90-60=30
Robert writes a check for $20. When he records the check in his check register, he
accidentally adds $20 to his balance instead of subtracting $20, which causes a
discrepancy between what Robert's check register shows and what it should show.
Because of his mistake, Robert's check register shows:
Answer:
cheese
Step-by-step explanation:
cheese
30 POINTS
Find the rectangular coordinates of the point with the polar coordinates ordered pair negative 3 comma 5 pi divided by 3 . (1 point)
ordered pair negative 3 divided by 2 comma 3 divided by 2
ordered pair 3 square root 3 divided by 2 comma negative 3 divided by 2
ordered pair negative 3 divided by 2 comma 3 square root 3 divided by 2
ordered pair 3 divided by 2 comma negative 3 divided by 2
x : y = 7 : 4 x + y = 88
Work out the value of x – y
The zurn family ate at a restaurant that was having 15% discount on that day .Their meal costs 64.75,and they left a 20% tip .What is the total cost of the meal
Answer:
[tex]66.05[/tex]
Step-by-step explanation:
Cost of meal = [tex]64.75[/tex]
Cost of meal after discount of [tex]15\%[/tex]
[tex]64.75-64.75\times 0.15[/tex]
[tex]=64.75(1-0.15)[/tex]
[tex]=55.0375[/tex]
Cost of the meal after tip of [tex]20\%[/tex]
[tex]55.0375\times (1+0.2)[/tex]
[tex]=66.045\approx 66.05[/tex]
The total cost of the meal was [tex]66.05[/tex].
Which statement about area is true?
It is a measurement of length.
It is always a whole number of units.
It is measured in square units.
It is the same as perimeter.
Answer:
i say maybe c
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
What is 184/132 equivalent to
Answer:
1.39393939
Step-by-step explanation:
express 4.67 as a mixed number
Answer:
4.671 = (4.67 × 100)(1 × 100) = 467100.
Step-by-step explanation:
As the numerator is greater than the denominator, we have an IMPROPER fraction, so we can also express it as a MIXED NUMBER, thus 467100 is also equal to 467100 when expressed as a mixed number.
Answer:
4 67/100
Step-by-step explanation:
From the info we have, we now that the whole number is 4.
.67 ends in the hundredths place which means it will be a decimal over 100.
Now you have 67/100 and since 67 is prime it can't be simplified.
Put them together and you get 4 67/100
I hope this helps, and have a great day! :)
2 x 10^-1 4 x 10^2 how many times longer
Answer:
2x10^-12
Step-by-step explanatiion:
(4 + 12i) + (16 - 8i)
Answer:
Answer is 20+4i
Step-by-step explanation:
I hope it's helpful!
Answer:
20 + 4i
Step-by-step explanation:
[remove brackets]
(4+12i) + (16-8i) --> 4+12i+16-8i
[collect like terms]
4 + 16= 20
12i - 8i= 4i
20 + 4i
Select all the expressions equivalent to 7^-2 x 7^5 x 7^-3
Answer:
C,D if its wrong im sorry
Step-by-tep explanation:
The value of the expression 7⁻² · 7⁵ · 7⁻³ will be 1. Then the correct option is B.
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
The expression is given below.
⇒ 7⁻² · 7⁵ · 7⁻³
Simplify the expression, then we have
⇒ 7⁻² · 7⁵ · 7⁻³
⇒ 7⁵ · 7⁻⁵
⇒ 7⁵ / 7⁵
⇒ 1
The value of the expression 7⁻² · 7⁵ · 7⁻³ will be 1. Then the correct option is B.
More about the Algebra link is given below.
https://brainly.com/question/953809
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