Answers
Answer:
38 degrees
Step-by-step explanation:
corresponding angles are equal
Related Questions
7. The points (3,5) and (2, y) are on a line with a slope of 3. Find y.
Answers
Answer:
We get value of y: y = 2
Step-by-step explanation:
The points (3,5) and (2, y) are on a line with a slope of 3. Find y.
We can find y using formula of finding slope of a line.
The formula is: [tex]Slope=\frac{y_2-y_1}{x_2-x_1}[/tex]
We have [tex]x_1=3, y_1=5, x_2=2, y_2=y[/tex] and Slope = 3
Putting values and finding y
[tex]Slope=\frac{y_2-y_1}{x_2-x_1}\\3=\frac{y-5}{2-3}\\3=\frac{y-5}{-1}\\-1(3)=y-5\\-3=y-5\\y=-3+5\\y=2[/tex]
So, we get value of y: y = 2
in a linear regression model, the variable (or variables) used for predicting or explaining values of the response variable are known as the . it(they) is(are) denoted by x. a. dependent variable b. residual variable c. regression variable d. independent variable
Answers
In a linear regression model, the variable (or variables) used for predicting or explaining values of the response variable are known as the independent variable. It(they) is(are) denoted by x.
The correct answer is an option (d)
For given question,
The variable that researchers are trying to explain or predict is called the
response variable. It is also sometimes called the dependent variable
because it depends on another variable.
The variable which is used to predict the response variable is known as the explanatory variable. It is also called as an independent variable because it does not depend on another variable.
In regression, the order of the variables is very important.
The explanatory variable (or the independent variable) always belongs on the x-axis. The response variable (or the dependent variable) always belongs on the y-axis.
Therefore, in a linear regression model, the variable (or variables) used for predicting or explaining values of the response variable are known as the independent variable. It(they) is(are) denoted by x.
The correct answer is an option (d)
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an ice-cream novelty item consists of a cup in the shape of a 4-inch-tall frustum of a right circular cone, with a 2-inch-diameter base at the bottom and a 4-inch-diameter base at the top, packed solid with ice cream, together with a solid cone of ice cream of height 4 inches, whose base, at the bottom, is the top base of the frustum. what is the total volume of the ice cream, in cubic inches?
Answers
The total volume of the ice cream, in cubic inches, is [tex]\frac{44\pi }{3}[/tex].
What is Volume?
Cubic capacity is the measurement of a three-dimensional object's volume in cubic units (such as inches, quarts, or centimeters). The volume that material takes up in a given space.Volume, which is measured in cubic units, is the 3-dimensional region occupied by matter or encircled by a surface. The cubic meter (m3), a derived unit, is the SI unit of volume.With a radius of 2 and a height of 4, the top cone has a volume of
[tex]\frac{1}{3} \pi (2)^2X4[/tex].
The frustum is created by subtracting a tiny cone with a radius of 1 and a height of 4 from a large cone with a radius of 2 and a height of 8, giving it a volume of [tex]\frac{1}{3} \pi (2)^2X8-\frac{1}{3} \pi (1)^2X4[/tex]
By combining, we have,
[tex]\frac{1}{3} \pi (16+32-4)\\\\E=\frac{44\pi }{3}[/tex].
The total volume of the ice cream, in cubic inches, is [tex]\frac{44\pi }{3}[/tex].
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Which of the following is equal to the absolute value of 7?
the distance between 1 and 7 on a number line
the distance between –3 and –4 on a number line
the distance between 7 and zero on a number line
the distance between –7 and 7 on a number line
Answers
Answer:
the distance between 7 and zero
Step-by-step explanation:
the absolute value of a number is just the number, so 7=7 and it would also work if it was he distance between -7 and 0
find the domain of the graphed function.
Answers
Answer:
This should be A. -4 < x < 9.
Step-by-step explanation:
Domains are the x-values. So, you would have to look at the x axis to know your x values. I'm not a 100% sure if this is that correct answer, but here's the answer to what I know.
Answer:
A. -4 ≤ x ≤ 9
General Formulas and Concepts:
Algebra I
Domain is the set of x-values that can be inputted into function f(x)Step-by-step explanation:
According to the line on the graph, our x-values span from -4 to 9. Since both are closed dot, they are both inclusive in the domain:
[-4, 9] or -4 ≤ x ≤ 9
For f(x)=3x-9, find f(15)
Answers
f(15)=45-9
f(15)=36
hope this helped :)
Find all the zeros using factor by grouping: x3 + 2x2 + 5x + 10 = 0
Answers
Answer: 3
+
2
x
2
+
5
x
+
10
=
0
x
3
+
2
x
2
+
5
x
+
10
=
0
by solving for
x
x
.
x
=
−
2
,
i
√
5
,
−
i
√
5
Step-by-step explanation:hope this helps sorry it’s weird!
solve for x - 4 = 1/4(8x - 16)
Answers
Hello!
[tex]\large\boxed{x = 0}[/tex]
x - 4 = 1/4(8x - 16)
Distribute the 1/4:
x - 4 = 1/4(8x) + 1/4(-16)
x - 4 = 2x - 4
Subtract x from both sides:
x - x - 4 = 2x - x - 4
-4 = x - 4
Add 4 to both sides:
-4 + 4 = x - 4 + 4
0 = x
⠀⠀⠀⠀
The value of x is 0
⠀⠀⠀
______________________
⠀⠀⠀⠀
➤ How to solve ?⠀⠀⠀⠀
That's quite easy but you need to recall the BODMAS rule .
⠀⠀⠀⠀
BODMAS rule states the correct sequence to solve an equation . First we need to solve the bracket part then solve if any of is present moving further to division then multiplication carrying with addition atlast subtraction
⠀⠀⠀⠀
In this equation we will solve the bracket then we will apply further BODMAS rule
⠀⠀⠀⠀
━━━━━━━━━━━━━━━━━
SolutiOn :➠ x - 4 = 1 / 4 ( 8x - 16 )
➠ 4 ( x - 4 ) = 8x - 16
⠀⠀⠀⠀
➠ 4 ( x - 4 ) = 4 ( 2x - 4 )
⠀⠀⠀⠀
➠ x - 4 = 2x - 4
Now, we will bring the variable on left hand side and constants on right hand side
➠ x - 2x = - 4 + 4
➠ -x = 0
➠ x = -0
➠ x = 0
∴ The value of x is 0 .
━━━━━━━━━━━━━━━━━
candy and tim share a paper route. it takes candy 70 min to deliver all the papers, and it takes tim 80 min. how long does it take the two when they work together?
Answers
It will take 37.3 minutes if they will work together.
What is the time?Time is the seemingly irreversible succession of existence and events that occur from the past, through the present, and into the future. It is a component quantity of various measurements used to sequence events, compare the duration or intervals between events, and quantify rates of change of quantities in material reality or conscious experience.To find how long it takes the two when they work together:
Let x represent the amount of time it takes them to complete the paper route together.This means that in one minute, they can complete 1/x of the paper route.Candy can complete 1/70th of the route in 1 minute and Tim can complete 1/80th of the route in 1 minute.The part Candy can do in one minute + the part-time can do in one-minute equals the part they can do together in one minute:1/70 + 1/80 = 1/xBecause the LCD has a resolution of 560x, multiply both sides of the equation by 560x:
(560x) · (1/70) + (560x) · (1/80) = (560x) · (1/x)8x + 7x = 56015x = 560x = 560/15 = 37.3 minutes.Therefore, it will take 37.3 minutes if they will work together.
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Paulie caught two fish. One weighed 1.43 pounds and the other weighed 5.7 pounds. Janice caught on 7.09 pound fish. Who caught more pounds of fish?
Answers
Answer:
Paulie
Step-by-step explanation:
1.43 +
5.70
___
7.13 > 7.09
:D
People of Sundargram planted a total of 102 trees in the village garden. Some of the trees were fruit trees. The number of non-fruit trees were two more than three times the number of fruit trees.
i)What was the number of fruit trees planted?
ii)By planting trees Which quality do the people of Sundargram shows?
Answers
Answer:
i) 36
ii) love towards nature and the environment
Step-by-step explanation:
i) 102 ÷ 3 = 34
34 + 2 = 36
Simplify: -3(6+8q)+2(-3q+7)
Answers
Write and equation in slope-intercept form of the line with slope -1/2 that contains the point (-4,-3)
Answers
Answer:
y=-1/2x-5
Step-by-step explanation:
Well we know that the slope is -1/2 so we can write the equation like this:
y=-1/2x+b (This is because of y=mx+b) (m is slope) (b is y-intercept)
Now we can replace the y and x with -4 and -3 because of (x,y). (-4,-3) x is -4 and y is -3
-3=-1/2(-4)+b
-3=2+b
Subtract 2 on both side:
-2-3=2-2+b
-5=b
Answer:
y=-1/2x-5
Hope this helps!
Jenny spends $1.15 a day for lunch. Her cafeteria lunch account has a balance of $36.80. Write an equation that can be used to determine the maximum number of days, d, that she can eat without adding money to her lunch account.
Answers
Answer:
Balance Divided By Lunch Cost
Step-by-step explanation:
Divide $36.80 by $1.15 to receive the answer 32. She can eat for 32 days.
1. Rick deposits $3 into his bank account. The following week, he deposits 3 times that amount. Each week after that, he deposits 3 times the amount he did the previous week.
How much does he deposit in all during the first 3 weeks?
2. How much does Rick deposit in all in the first 3 weeks? Show your work.
Answers
Answer:
2 WEEKS 9 DOLLARS
Step-by-step explanation:
EVERY TIME MULTIPLY BY 3 WITH EACH ANSWER
3X1=3
3X3=9
3X9=27
The amount of the money deposited by Rick in 2 weeks is 9 dollars.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that Rick deposits $3 into his bank account. The following week, he deposits 3 times that amount. Each week after that, he deposits 3 times the amount he did the previous week.
The amount of money deposited every week is solved as below,
3 X 1 = 3
3 X 3 = 9
3 X 9 = 27
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Consider the table of the powers of 8. A 1-column table with 6 rows. Column 1 is labeled Power of 8 with entries 8 cubed = 512, 8 squared = 64, 8 Superscript 1 = 8, 8 Superscript 0 = a, 8 Superscript negative 1 = b, 8 Superscript negative 2 = c.
Answers
Answer:
What is the pattern as the exponents decrease?
✔ divided by 8
What is the value of each variable in the table?
a =
✔ 1
b =
✔ 1/8
c =
✔ 1/64
Step-by-step explanation:
Brainliest pls
Which list shows the lengths from shortest to longest ?
A. 0.2, 1/4, 3/8, 0.8, 7/8
B. 0.2, 1/4, 3/8, 7/8, 0.8
C. 1/4, 0.2, 3/8, 7/8, 0.8
D. 0.8, 1/4, 3/8, 0.2, 7/8
Answers
Answer:
It’s a
Step-by-step explanation:
Tell me if I’m wrong
please help me quickly! I WILL GIVE BRAINLIEST. need to answer both questions
Answers
Answer:
30-17=13 so 2x13 is 26, that is the answer for first but I dont know the second, sorry Step-by-step explanation:
Using the given table of an exponential function, determine the growth/decay factor as well as the rate of increase/decrease. Type your answers in as numbers. Example: Growth Factor: 3.5, Rate of Increase: 2.5. (Do not input your rate of increase as a percent.)
Answers
Answer:
Growth factor is 1.2
Growth rate is 0.2
Step-by-step explanation:
Generally, we can have an exponential function as:
y = a(1 + r)^x
Where a is the initial value (y value when x = 0, which is 10)
r is the growth rate
at x = 2
14.4 = 10(1 + r)^2 •••••(i)
at x = 1
12 = 10(1 + r)^1 •••••(ii)
Divide i by ii
14.4/12 = 1 + r
1.2 = 1 + r
r = 1.2-1
r = 0.2
1 + r = 0.2 + 1 = 1.2
Solve 2(x+3) = x - 4
Answers
2x + 6 = x - 4
Now rearrange so you have all the x on one side (remember to change the sign when you move from one side to the other):
2x - x = - 4 - 6
Do the sums:
x = -10
I need help for some math questions pleasee!
Answers
Answer:
multiply row × column
and in the first multiplication you should put an addition in between e.g 4×3+6×0....
If the simple interest on $1,000 for 7 years is $350, then what is the interest rate?
Answers
Answer:
24,500
Step-by-step explanation:
First, converting R percent to r a decimal
r = R/100 = 350%/100 = 3.5 per year,
then, solving our equation
I = 1000 × 3.5 × 7 = 24500
I = $ 24,500.00
The simple interest accumulated
on a principal of $ 1,000.00
at a rate of 350% per year
for 7 years is $ 24,500.00.
To surprise her cousin, Eliana puts confetti in his birthday card before mailing it. At the post office, she learns that her card is 5 grams too heavy for a common stamp. So, she takes out some of the confetti. If each piece of confetti weighs about 50 milligrams, how many pieces does Eliana need to take out?
Answers
The number of pieces that Eliana need to take out is; 100 pieces
How to carry out Unit Conversions?
From conversion units, we know that 1 gram (g) is equal to 1000 milligrams (mg). Thus; 1 g = 1000 mg
Now, we are told that at the post office, she learns that her card is 5 grams too heavy for a common stamp. So, she takes out some of the confetti.
However, each piece weighs 50 milligrams. Converting to grams gives us; 50/1000 = 0.05 grams
Thus, number of pieces to take out = 5/0.05 = 100 pieces
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On a map, 4 inches equals 160 miles. The distance that a family travels is 6.5 inches on the map. Represent the scale as two different ratios. What is the actual distance the family travels?
Answers
Answer:
260 miles.
Step-by-step explanation:
First, find the unit rate (the rate which the numerator is one but the fracvtion is equivilant), in this case the unit rate would be 1/40, or 1:40. Replace the 1 in the ratio ti=o get 6.5:x. Find x. We know that the unit rate is 1:40, so multiply 6.5 by 40 to get 260. Hope this helps!
Please help! I will mark brainliest!
Answers
Answer:
C. 9.6ft
D. Angle M
Step-by-step explanation:
Height of smaller surfboard = [tex]\frac{12}{4}[/tex] × 3.2ft
= 9.6ft
If you flip ABCD over, the positions of the angles that are corresponding to each other would be the same, so the angle that would correspond with Angle D would be Angle M since both would be at the top right.
The cost y (in dollars) of renting a segway for x hours is y=24x+6. Find the initial fee and the cost per hour.
Answers
Answer:
(x - 6) ÷ 24
Step-by-step explanation:
Simplify and get the answer
Jada is making trail mix. For every 3 c of peanuts, she adds 2 c of raisins. Graph this
relationship. Is there a proportional relationship between the cups of peanuts and
the cups of raisins? Explain your reasoning,
Answers
Answer:
(3,2)
(6,4)
(7.5,5)
(9,6)
Step-by-step explanation:
Given:
Volume of peanuts = 3 c
Volume of raisins = 2 c
Find:
Proportional relationship
Computation:
Volume of peanuts : Volume of raisins
3 : 2
So,
Graph
peanuts , raisins
(3,2)
(6,4)
(7.5,5)
(9,6)
I will give you the brainlist, a thanks, and a 5 stars if you answer!
Answers
Answer:
5. C They are supplementary
12 members are at a conference. they all shook hands with each other both before and after the meeting. how many handshake's were there?
Answers
If there are 12 members at a conference and they all shook hands with each other both before and after the meeting, then there were 132 handshakes.
The number of handshakes before and after the meeting between 12 members can be found by using the combination formula.
The combination formula can be given by :
Number of combinations = n! / r! ( n - r)!
Here, n = total number of items in the set
r = number of choosing items from the set
In this problem, n = 12 and r =2 for finding the number of handshakes before the meeting
Therefore,
number of combinations = 12! / 2! ( 12 - 2)!
number of combinations = 12! / 10! × 2!
number of combinations = 66
Hence, there were 66 handshakes before the meeting. To find the number of handshakes both before and after the meeting:
number of total handshakes = 66 × 2 = 132
Hence the number of handshakes before and after the meeting is equal to 132.
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shane measured a farm and made a scale drawing. in real life, the goat pen is 6 meters wide. it is 4 centimeters wide in the drawing. what scale did shane use?
Answers
If the goat pen is 6 meters wide and it is 4 centimeter wide in the drawing, then Shane used 150:1 scale for drawing
Scaling is a linear transformation that enlarges or diminishes objects.
Given,
In drawing,
6 meter = 4 centimeter
600 centimeter= 4 centimeter
Divide both side by 4
150 centimeter = 1 centimeter
Hence, if the goat pen is 6 meters wide and it is 4 centimeter wide in the drawing, then Shane used 150:1 scale for drawing
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