Answer:
1. x = -7
2. x = -8
3. x = 13
4. x = 2
5. x = -3
Hope this helps :)
The equation y = 38x + 50 models the data on a plumber's scatter plot, where x is the number of hours the plumber works, and y is the total bill in dollars. If Sal pays the plumber $126, how many hours did the plumber work?
1 hour
1.75 hours
2 hours
2.5 hours
Answer:
2 hours
Step-by-step explanation:
I substituted y for 126 and solved like so:
126 = 38x + 50
126 - 38x = 50
(126-126) - 38x = 50 - 126
-38x = -76
-38x/-38 = -76/-38
X = 2
There ya go! Hope this helps, good luck :)
Help me thank yous #ok
Answer:
b = -3
a = -0.5.
Step-by-step explanation:
As both right sides are equal to a:
12b + 3 = -2b - 4
12b + 2b = -4 - 3
14b = -7
b = -0.5.
So a = 12(-0.5) + 3 = -6 + 3
= -3.
PLS HELP NEED ASAP
NO LINKS OR I WILL REPORT
WILL MARK BRAINLIEST
NO UNESSECARY ANSWERS OR I WILL REPORT
thank you and have a great day!
Answer:
Please Mark Brainliest, you are an amazing person thank you and your welcome :D
Step-by-step explanation:
$54 / 6 = $9
Answer:
9
Step-by-step explanation:
You can just divide the 54 by 6 to get the single cost, since it gives a constant rate (possibly not, but most likely since it doesn't mention taxes, tips, ect.)
The unit rate is 9 bucks per pizza.
I have no idea why we would use links in the first place.
:D
What is the difference between mean and median
The difference between the mean and median is that the mean is the average number. f.e: 1, 2, 2, 2, 3, 3, 4, 5 - and if you add all those up, the mean would be 3, or 2.
But the median is the number in the middle Number.
What if you have 2 medians, though?
Well, that’s easy to solve IMO.
F.e: 22, 22, 23, 23, 23, 24, 24, 24, 25, 25
The median is either 23 or 24, right?
Okay. That’s simple. But what exactly do we do?
Let me show you:
So get the sum of 23 and 24, which is 47.
Now divide 47 by 2. And what do we get?
23.5.
Now round that, and you get 24. So 24 is the median!
Hope that helps!
Answer:
mean is the AVERAGE of all numbers
Step-by-step explanation:
because when you add up all the numbers then you divide it by the TOTAL NUMBER of NUMBERS!
and a median is the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average.
hope this helps
Which angle measures about 60°?
Answer:
c
Step-by-step explanation:
Answer:
i think its c
Step-by-step explanation:
it cant be D cause thats 90°
it cant be A cause the like 115° or 120°
and B looks like its a little to small
sorry if its wrong
Can someone please help me with questions 18 and 19 please. Will give brainilist to best answer.
At one store, a DVD is on sale for 25% off regular price of $26.99. At another store, the same DVD is on sale for 30% off regular price of $29.99. Why should you buy the DVD at the first store?
a. 30% is more than 25%
b. $26.99 is less than $29.99
c. 75% of $26.99 is less than 70% of $29.99
Im very confused help, please
Answer:
18
Step-by-step explanation:
So what you need to find is the scale factor which is the scale of the difference between two lengths.
So Figure A is smaller than Figure B, as can be easily detected with our eyes.
Figure A has a ratio of 1/2, as 6/12 is equal to 1/2.
Since B is the original, where A is a scaled version, it must also have the same ratio of 1/2, so twice 9 is 18, which is your answer.
You can also use fractions, by making Figure A into 1/2 because 1/2 = 6/12.
Figure B can turn into 9/x.
Since you know they are scaled factors, they have the same ratio since one is scaled larger or smaller than from the original.
Since it must follow the multiplication of 2 for the side length, 9 x 2 gives your answer.
PLS HELP OMG OMG OMG
What is the fully factored form of the expression 9r2 - 100s2t2?
a
(9r + 100st) (r - st)
b
(9r - 100st) (r - st)
c
(3r + 10st) (3r - 10st)
d
(3r - 10st) (3r - 10st)
Answer:
C
Step-by-step explanation:
We can notice the expression is the special product a^2 - b^2, which can be factored into (a + b)(a - b). By correlating the expression with the formula, we can say:
a^2 = 9r^2
-and-
b^2 = 100s^2t^2
Therefore:
a = 3r
-and-
b = 10st
Now we can substitute these values into the factored form, (a + b)(a - b):
(3r + 10st)(3r - 10st)
This is the same as option C, meaning C is the answer.
PLEASE HELP, ILL GIVE BRAIBLIEST!
Answer:
Hospitals
Step-by-step explanation:
Sales taxes are generally used for retail purposes and hospitals do not fall into this category. Sorry if it is wrong.
Please help, quickly if possible
Answer:
the first one because it has more flowers
Step-by-step explanation:
Answer: B. 2/3
Step-by-step explanation:
4 x 3: 12
4 x 2: 8
buck is building a horse corral with the shape and dimensions shown in the sketch. He wants to make sure the corners of the corral measure 90 degrees
how long must diagonal AC be so angle B is a right angle?
uprgigt corner is D other side is C
Downleft is A across from B
16 ft down and 12 ft side
Answer:
BxA=F
Step-by-step explanation:
Diagonal AC must be 20 feet so that ∠B will be 90°.
According to asked question, buck is creating a horse coral by designing in such a way that corners will be at 90°.
So according to question we have to make ∠B as 90°.
So quadrilateral ABCD becomes a rectangular.
Therefore ΔABC will be a right-angle triangle in which we can use Pythagoras theorem to measure the diagonal AC.
What is Pythagoras Theorem?The Pythagoras Theorem says that in a right-angle triangle, the square of the hypotenuse is the sum of square of the other two sides of the right-angle triangle.
In the right-angle tringle ΔABC,
AC²=AB²+BC²
⇒ AC²=16²+12²
⇒ AC²=256+144=400
⇒AC=√400
⇒AC=20 feet
Therefore, Diagonal AC must be 20 feet so that ∠B will be 90°.
Learn more about Pythagoras Theorem
Here: https://brainly.com/question/343682
#SPJ2
Remake for the last one
pls answer quick ill give more points if right.
The problem solving plan identifies steps to organize your information. Which of the following answer choices are included in the steps to organize your information?
A. Organize the problem and find the question.
B. Solve the problem and change your strategy if necessary.
C. Write the facts, organize your thoughts and define your strategy.
D. Organize the steps and underline the question.
Answer:
I WOULD SAY C! IT MAKES THE MOST SENES
Step-by-step explanation:
Defining the problem.
Generating alternatives.
Evaluating and selecting alternatives.
Implementing solutions.
C says "Write the facts, organize your thoughts and define your strategy."
Plz help. Giving brainliest to complete and correct answers. absurd answers will be reported.
Answer:
Sara could try to lower her expenses. It is clear that she spends to much money and her income is low. I’m summary, Sara needs to stop spending so much money and probably get a better job that pays more to increase her income.
I really hope this helps, good luck! ;)
What is the mean of bicycle tires? Plz help me
Answer:
22
Step-by-step explanation:
The answer is 21. 8, which rounds up to 22. So the answer is D: 22!
An equilateral triangle has sides of length 10 cm
a.Calculate the perpendicular height, h, of the triangle
b.Calculate the area of the triangle.
Give your answers correct to one decimal place.
Please help me on this question
I am stuck on same thing as u
Step-by-step explanation:
SOMEONE PLEASE HELP I NEED IT there is a lonk to see it
Answer:
The answer is C.
Step-by-step explanation:
area= 3.14 x 7 squared
area=3.14 x 49
area= 153.86
but then you are around it to 153.9cm2
PLEASE HELP IMMEDIATELY!!
- 7th Grade Work -
Am I doing this correctly?
Answer:
yes i think
Step-by-step explanation:
Answer:
to be honest i dont know but all i gotta say is 60 minutes= 1 hours
Step-by-step explanation:
i dont know because i am only in 6th grade
solve. 3/4 + ( 1/3 ÷ 1/6 ) - ( -1/2 ) =
A. 3/4
B. 2 1/4
C. 1 3/4
D. 3 1/4
Answer:
3.25
Step-by-step explanation:
Can you please help me
1.
The graph below shows the winter precipitation in Arizona from 1995 to 2002. It also shows the survival rates of Arizona pronghorn fawns for the same period.
Which two years had the most precipitation?
• Which two years had the best survival rates for fawns?
• Using your knowledge of biotic and abiotic factors and information from the graph, give two reasons why precipitation and fawn population are linked.
• Predict what would happen to the fawn population if the precipitation rate continues to go downward in 2003.
Answer:
Step-by-step explanation:
hii - i just wanted to ask if anyone knew if rotations over the origin will be on the 7th grade math SOL final tomorrow? our teachers said it wouldn't be but on the practice tests, there were rotations so i was just wondering if anyone knew about it :)
Answer:
Depends on your county
What is the slope of the figure below? Write your answer as a rational number.
Answer:
2/3
Step-by-step explanation:
Slope = the rise over run! So if you calculate (or just count) the rise and run between point (-3,6) and (0,4), it is 2 over 3, which cannot be further simplified so it is just the fraction 2/3.
Find the area of a isosceles trapezium in which AB || CD and AD = BC. Given that AB =
23 cm, CD = 7 cm and AD = 17 cm.
Answer:
The area of a isosceles trapezium given the measure of sides is determined by the following equation: A = 1/2 (AD + BC) * h, where h is the height of the trapezium. Using the given information, the area can be calculated as A = 1/2 * (17 + 7) * (23/2) = 270 cm^2.
What is an ordered pair?
Answer:
A set of numbers used to locate a point on the coordinate plane. Also known as coordinates.
Step-by-step explanation:
Example of an ordered pair : (14,20)
The 14 is the x coordinate, which indicates the position on the horizontal line. (x - axis)
The 20 is the y coordinate, which indicates the position on the vertical line. (y - axis)
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Hello! Please help with this question! I really need to bring my grade up and this question is difficult for me. Thank you!
This spinner will be spun twice.
What is the probability of spinning an odd number both times?
Question 3 options:
18
34
12
14
Answer:
50%
1/2
Step-by-step explanation:
1/2 because there is a 50% chance of landing on 1 or 3. and 50% for 2 and 4
30. Brandon is buying a new car and will be financing a loan of $22.000. He has a choice of
paying the loan in installments of 36.48.60.or 72 months. The table below shows the
monthly payments for each loan period.
Loan Terms Interest Monthly
(months) Rate Payment
36 6.0% $669.28
48 6.0% $516.67
60 6.0% $425.32
72 6.0% $364.60
After two years, how much interest will Brandon save by choosing the 4-year loan over the 6-
year loan? 8.12A
F. $51.051.36
G. $24.800.16
H. $1.451.04
J. $26.251.20
My