Please answer 12. How ever gets it right will get brainlyest
Answer:
-6.5
Step-by-step explanation:
-18-2-6+14=26
-26/4=-6.5
Answer: -3 yards
Step-by-step explanation:
-2+14+-18+-6 = -12/4 = -3
Part A: What is the approximate y-intercept of the line of best fit and what does it represent? (5 points) Part B: Write the equation for the line of best fit in the slope-intercept form and use it to predict the number of matches that could be won after 13 months of practice. Show your work and include the points used to calculate the slope
Answer:
Well I can't do it if you don not show the graph :(
Step-by-step explanation:
Answer:
Let's actually find the line of best fit...
m=(nΣyx-ΣyΣx)/(nΣx^2-ΣxΣx)
m=(11*836-130*55)/(11*385-3025)
m=2046/1210
m=93/55
b=(Σy-93Σx/55)/n
b=(55Σy-93Σx)/(55n)
b=(7150-5115)/(55*11)
b=185/55, so the line of best fit is:
y=(93x+185)/55
A) The approximate y-intercept (the value of y when x=0) is 185/55≈3.36.
Which means that those who do not practice at all will win about 3.36 times
B) y(13)=(93x+185)/55
y(13)≈25.34
So after 13 months of practice one would expect to win about 25.34 times.
What is the approximate area of the two congruent red right triangles?
A. 17 in²
B. 31 in²
C. 33 in²
D. 51 in²
Answer:
A. 17in
Step-by-step explanation:
Answer: B. 31 in²
Step-by-step explanation:
Look who I recreated
Find the value of the x
Answer:
The answer should be 77, but the triangle in the question seems off. Read the explanation.
Step-by-step explanation:
To find the exterior angle in this problem, you can use the exterior angle theorem.
Interior angle + interior angle = exterior angle
25 + 52 = 77
You can double-check this answer by figuring out the third interior angle.
Since the sum of all the interior angles of a triangle should be 180, you can determine that
25 + 52 + y =180
Y= 103
or, since a straight line is always 180 degrees (Y+X=180)
25+52+(180-x)=180
X= 77
The reason why I think the question looks weird is since 77 is an acute angle, and even though it's the only answer that makes sense in this question, angle X is clearly an obtuse angle, as shown in the picture.
A line that includes the points (4,j) and ( – 8, – 9) has a slope of 16 . What is the value of j?
Pythagorean Theorem: a^2 + b^2 = c^2
Question 6 options:
No. Since 7^2+9^2≠11^2, the triangle cannot be a right triangle.
Yes. Since 7^2+9^2=11^2, the triangle must be a right triangle.
Yes. Since7^2+9^2≠11^2, the triangle must be a right triangle.
No. Since 7^2+9^2=11^2, the triangle cannot be a right triangle.
9514 1404 393
Answer:
No. Since 7^2 + 9^2 ≠ 11^2, the triangle cannot be a right triangle.
Step-by-step explanation:
You may recall that side lengths of 3, 4, 5 make a right triangle. That particular triple has several interesting characteristics. One is that it is the only (reduced) triple that is an arithmetic sequence (has a constant difference between the side lengths). Any right triangle that has sides that differ by a constant amount must be a multiple of 3, 4, 5.
Here, we have sides of length 7, 9, 11—values that differ by 2. They form an arithmetic sequence that is not a multiple of 3, 4, 5, so we know right away they cannot be sides of a right triangle.
__
If we want to use the Pythagorean relation to check, we can see if the equation is true:
7² + 9² = 11²
49 + 81 = 121
130 = 121 . . . . . . Not True
Answer this question ASAP please
I don’t know if you need the second image.
Select the statement that makes this comparison correct: 0.45 ________ 0.39.
Question 1 options:
0.39 > 0.45
0.45 > 0.39
0.45 < 0.39
0.39 = 0.45
Answer:
its c
Step-by-step explanation:
look at the tenths
.39 .45
The model car is 3 inches long. On the box, it says the scale of the model is 1/42. What is the length of the actual car in feet? (convert your answer from inches to feet.)
Answer:
10 feet 6 inch
Step-by-step explanation:
3 times 42 is 126. 126 to feet is 10 ft 6 inch
The distance from a driveway to the closest house is 12,672 feet. How far is that in miles? (1 mile = 5280 feet)
A) 2.2 miles
B) 2.4 miles
C) 4.2 miles
D) 12 miles
The radius of a circle is 3 in. Find its area in terms of π.
Please help :(
Answer:
A≈28.27
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Helpppp mee pleaseee!!
Answer:
# 203 is C
Step-by-step explanation:
5.2×5.2×3.2= 86.528
i need help pls
and explain aslo
Answer:
7
Step-by-step explanation:
While at the beach, daniel buys lunch for his family from a food stand. he buys one hot dog for $2.50 and 3 hamburgers. if he spent $13 total, write and solve the equation to find H, the amount each hamburger cost.
Answer:
3.5$
Step-by-step explanation:
simple.
Answer:13 = 2.50+3h
Step-by-step explanation:
H = $3.50
HELP TEN POINTS AND BRAINLEST IF RIGHT TROLL AND I WILL REPORT YOU!!!
Answer:
C. 1/9 sq yd
Step-by-step explanation:
1/3 * 1/3 = 1/9
Help, please!
The angle measurements in the diagram are represented by the following expressions.
Solve for x and then find the measure of ∠B
Does this check out?
Its for pre-algebra.
Answer:yes
Step-by-step explanation:
Answer:
yes, that is correct, good job!
explain how to answer the word problem below.
3 feet = 1 yard
John has 476 feet of yarn and he needs to know how many yards he has. How many yards of yarn does John have. (solve and explain)
What operation should you perform first when you evaluate this expression? (15 x 5 x 4) x 3 *
Answers:
15x5
5x4
4x3
PLEASE HELP- THIS IS DUE AT 2PM PLSSSS HELPPPP QUICKKKK!! WILL MARK BRAINLIEST
There are three parts to this problem. Solve each percent word problem and show your setup for each one.
You have r rare coins, consisting of p pennies and n nickels.
1. p is 20% of 190. How many pennies do you have?
2. 190 is 200% of r. How many rare coins do you have?
3. n is 60% of r. How many nickels do you have?
Answer:
1. p=38 pennies. 2 r= 95 rare coins. 3. n=57 nickels
Step-by-step explanation:
1. how you get it is .20 x 190
2. 190/2 =2/3 x r
3. .60 x 95
Clare estimates that her brother is 4 feet tall. When they get measured at the doctor’s office, her brother’s height is 4 feet, 2 inches.
1. Should Clare's or the doctor's measurement be considered the actual height? Explain your reasoning.
2. What was the error, expressed in inches?
3. What was the error, expressed as a percentage of the actual height?
Answer:
DAMMMMMMMMMMM HE SHORT
Step-by-step explanation:
IM TIMEDDD HELP!! Which shows a rational number plotted correctly on a number line?
-3.5
-8
-6
4
-4
-2
0
2
21
2
-18
-20
-16
-14
-12
-10
-
1.00
-10
-6
-4
-2
0
4
2.
Which best describes the mean of a set of data?
A. The difference between the lowest and the highest values in a set of data.
B. The average of a set of data.
C. The value that occurs most frequently in a set of data
D. The middle value in a set of data.
what is y
help please
3x+5y= 10?
A. y =⅗ x+ 10
B. y = 3x− 2
C. y =- ⅗ x +15
D. y = − 5/3 x - 8
Why do equivalent ratios form a straight line when graphed?
The vertical distance between points is constant, and the horizontal distance between points increases with each point.
The ratio of the change in y-values to the change in x-values is equivalent for any two points in a graph of equivalent ratios.
The horizontal distance between points is constant, and the vertical distance between points increases with each point.
The y-values of equivalent ratios increase at a constant rate, and the x-values decrease at a constant rate.
Answer:
D-The y-values of equivalent ratios increase at a constant rate, and the x-values decrease at a constant rate.
Step-by-step explanation:
i just did the quiz
Mrs.Smith has 3 boys to every 5 girls in her class. What percent of her class is boys?
Please help me! Serious answers only please!
Answer:
1/4
25 percent
Step-by-step explanation:
Answer:
60% of the class is boys.
Step-by-step explanation:
please help me the best that you can. this is my last grade for this class and I really need to pass.
Answer:
v = 52 m/s
Step-by-step explanation:
Me not being a complete id.iot-
Answer:
im pretty sure the answer is d
Step-by-step explanation:
What is 16x - 13y =7 in slope intercept form
Answer:
y=12/13x−10/13
Step-by-step explanation: