Answer: (-2, 10)
Explanation: Since one equation has a +4y and the other equation has
a -4y, when we add the equations together, the y's will cancel out.
So we have 23x = -46 and x = -2.
To find y, plug -2 back in for x in either of the two original equations.
I've chosen to plug -2 into the first equation to get 10(-2) + 4y = 20.
Solving from here, y = 10.
So our final answer is the ordered pair (-2, 10).
Now, check your answer.
A line goes through the point (5,7) and has a slope m= -3
Answer:
y=-3x+7
Step-by-step explanation:
The slope form is y=mx+b
7 replaces B since the points intercept at positive 7. The slope is already given to you so that ur equations
Simply 736:1054 thank you
Answer:
368/527
Step-by-step explanation:
Irene has a spinner with 5 sections, each with a different color. Irene spins the spinner many times, and records the results in the table.
Color: Red Orange Yellow Green Blue
Frequency: 16 11 9 14 10
Find the probability of spinning each color, based on the data. Explain how you calculated each probability.
Step-by-step explanation:
Probability of spinning a specific colour is the frequency of the colour divided by the total frequency.
Total frequency = 16 + 11 + 9 + 14 + 10 = 60
Hence we have the following probabilities:
P(Red) = 16/60 = 4/15P(Orange) = 11/60P(Yellow) = 9/60 = 3/20P(Green) = 14/60 = 7/30P(Blue) = 10/60 = 1/6i don’t understand my homework?
Answer:
x = 140
Step-by-step explanation:
40 * 2 + 2x = 360
80 + 2x = 360
2x = 280
x = 140
Please help!
Find the indicated side of the
right triangle.
60°
Х
3
30°
x = [?]
Enter
Answer:
x = 6
Step-by-step explanation:
sin 30° = 3/x
0.5 = 3/x
.5x = 3
x = 3/.5
x = 6
The indicated side of the right-angled triangle is 6.
What is a right-angled triangle?A triangle is said to be right-angled if one of its inner angles is 90 degrees, or if any one of its angles is a right angle.
Given:
The triangle is a right-angled triangle.
So, we know,
SinФ = perpendicular / hypotenuse.
And here, perpendicular = 3 unit
And hypotenuse = x unit
Substituting the values,
Sin30° = 3/x
1/2 = 3/x
x = 6
Therefore, the value of x is 6.
To learn more about the right-angled triangle;
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9x^3- 18x^2 - 4x + 8 : x- 2
Answer:
Step-by-step explanation:
[tex]9x^3-4x-18x^2+8\\ \\ x(9x^2-4)-2(9x^2-4)\\ \\ (x-2)(9x^2-4)\\ \\ (x-2)(3x+2)(3x-2)\\ \\ \text{If you divide by x-2 you have}\\ \\ (3x+2)(3x-2)[/tex]
What is the distance between the points (2, 3) and (5, -4)?
7.6 units
3.7 units
6.3 units
10 units
Answer:
Step-by-step explanation:
[tex]d^2=(x_2-x_1)^2+(y_2-y_1)^2\\ \\ d^2=(5-2)^2+(-4-3)^2\\ \\ d^2=3^2+(-7)^2\\ \\ d^2=9+49\\ \\ d^2=58\\ \\ d=\sqrt{58}\\ \\ d\ approx 7.6\ units[/tex]
A man invests 10000 for 3 years at a certain rate of interest, compounded annually. At the
end of one year, it amounts to 11200. Calculate :
(i) the rate of interest per annum;
(ii) the interest accrued in the second year;
(ii) the amount at the end of the third year.
Step-by-step explanation:
10000, After 1 year amount = 11200 so interest after 1 year = 1200
Amount = P(1+R/100)T
11200 = 10000(1+R/100)1
R = 12%
Interest for the second year = 11200(1+12/100)1 - 11200 = 1344
after 3 years = 10000(1+12/100)3 = 14049.28
Step-by-step explanation:
(I) Principle = Rs 10000, After 1 year amount
= Rs 11200 so interest after 1 year
= Rs 1200
R = 12%
Amount = P(1+R/100)T
11200 = 10000(1+R/100)1
R = 12%——————————————————————————————————————
(Ii)Interest for second year = 11200(1+12/100)1 - 11200 = Rs 1344
(iii)Amount after 3 year = 10000(1+12/100)3 = Rs 14049.28
Help I need to submit this ASAP
Answer: th
Step-by-step explanation:
— 3x = у
— 9x — 5y = — 48
Step-by-step explanation:
plug in -3x for y
-9x-5(-3x)= -48
-9x+15x= -48. its +15 because negative times negative is.
positive
6x= -48 (-9 +15=6) now divide both sides by 6
x= -8
now you can solve for y by plugging in -8 for x
-3(-8) =y
24= y
The number y of calories burned after x minutes of kayaking is represented by the linear function y=4.5x . The graph shows the number of calories burned by hiking.
a. Which activity burns more calories per minute?
A) kayaking
B) hiking
Question 2
b. You perform each activity for 45 minutes. How many total calories do you burn?
You burn 472.5 calories.
Question 3
Justify your answer.
Step-by-step explanation:
Aswer:
22.5 more calories are burned
Hiking:
y=255
Kayak:
y=202.5
A triangle has sides of lengths 19 centimeters, 19 centimeters, and 26 centimeters and angle measures of 84º. 489 and 48°. Which image shows this triangle?
84
19 cm
19 cm
248
48
26 cm
48
19 cm
19 cm
O
84
48
26 cm
84
19 cm
26 cm
248
48
19 cm
48
26 cm
O
19 cm
18
84
19 cm
Answer:this is the answer
Step-by-step explanation:
Just did the test
y = 7x + 10y = -4x - 23
Answer:
11x+23
y= - --------------
10
Step-by-step explanation:
2+3.3x-1.7=5.25 solve for x
Answer:
1.5
Step-by-step explanation:
2+3.3x-1.7=5.25
=> 3.3x = 5.25 +1.7 -2
=> 3.3x = 6.95 - 2
=> 3.3x = 4.95
[tex] = > x = \frac{4.95}{3.3} [/tex]
[tex] = > x = \frac{49.5}{33} [/tex]
=> x = 1.5 (Ans)
Find the volume of the cone. Use 3.14 for pi.
Answer:
V≈157.08
Step-by-step explanation:
I hope this helps
HELP I NEED HELP ASAP
A. A student’s math grade decreases approximately 3 points for every 10 minutes of watching television.
B. A student watches approximately 3 minutes less television for every 10 points gained in their math grade.
C. A student watches approximately 3 minutes more television for every 10 points gained in their math grade.
D. A student’s math grade increases approximately 3 points every 10 minutes of watching television.
Answer:
B. A student watches approximately 3 minutes less television for every 10 points gained in their math grade.
gamestop is losing value at 5% per day. if its 50 dollars per share to day, how much will it be worth at the end of the week
Answer:
GameStop will be worth $34.92 by the end of the week
Step-by-step explanation:
It's sad, but true lol
The diagram shows rectangle ABDE and right angle triangle ABC AC=37cm BC=12cm BC:CD=1:2 work out the area of rectangle ABDE
can you let me know when you get this answer, i’m doing june 19 2H
Answer:
1260cm^2
Step-by-step explanation:
BC : CD
12 : 24
12 + 24 = 36
h²- a² = b²
37²-12²
1369 - 144 = 1225
√1225 = 35
36 x 35 = 1260cm²
4.
Sasha has 47 fewer makers than Ron. Together they have 247 markers.
Let x = the number of markers Ron has.
Write an equation to solve for x.
Henry is trapped at the roof top of a burning building, which is 24 feet high. In order to rescue him, his father, Diego, must find a ladder which will be used to cross the river, which is 7 ft wide, and go up directly to the top of the building. Help Diego to find the appropriate length of ladder from the other side of the river to the top of the building.
Answer:
168
Step-by-step explanation:
so what you are going first is 24 times 7 which is
Select the procedure that can be used to show the converse of the
Pythagorean theorem using side lengths chosen from 6 cm, 8 cm, 9 cm, and
10 cm.
Answer:
[tex]\boxed{\textsf{ Sides are \textbf{ 6cm , 8cm and 10cm }.}}[/tex]
Step-by-step explanation:
Some sides are given to us and we need to show the converse of Pythagoras Theorem . So the statement of Converse of Pythagoras Theorem is ,
Converse of Pythagoras Theorem :-
If in a triangle the sum of squares of two sides is equal to the square of third side then the angle opposite to the longest side is 90° .
For complete solution kindly refer to the attachment.
how to write 3,24 as a common fraction without using a calculator
Answer:
dont trust me on this but i think it is 3/8
Step-by-step explanation:
I need help on this.. First person to answer this correctly gets a BRANLIST
Answer: The relation is a function.
Step-by-step explanation: Since there is one value of y for every value of x in (-2,4), (3,7), (0,8), (5,8), and (1,6), this relation is a function.
I hope this helps you out!
A book store sells used
books.
Paperback books cost $1.00.
Hardback books sell for $5.00.
The store sold 100 books and made $260 from the sale.
How many paperback books did the store sell?
Α. 20
В. 40
C. 60
D. 80
Answer:
The correct answer is C
Positive
hello please help
me
Answer:
it would be the second one
Step-by-step explanation:
hope this helps
9. Spanky is four inches less than of Lanky's height. Write an expression for
Spanky's height.
Algebraic Expression:
Spanky
Lanky is 72 inches tall. How tall is Spanky?
Algebraic Expression
Numerical Expression
Answer
You pick the variable for
Lanky's height! Lanky
68 inches tall is Sparky
Step-by-step explanation:
just take of 4 tall of lanky then you will get the tall
there are 250 chairs and 150 chairs are full what is the percentage of occupied chair what is the percentage of non occupied chair
Answer:
What is p% of x?
What is
150
%
of
250
?
y =
375
what is p% of x? formula
Step-by-step explanation:
Answer this correctly and ill give brainliest and max rating
Answer:
I think its C
Step-by-step explanation:
i hope that's right
Caleb claims that the order pairs shown in the table below are from a nonlinear function.
x f(x)
0 2
1 4
2 8
3 16
please show your work
Caleb is correct bc he table doesnt have a constant rate of change so it cant be linear.
its a exponential function.
4/2 = 2; 8/4 = 2; 16/8 = 2.
i s#ck at answering lma*oo. hope this helped
Caleb is correct the table doesn't have a constant rate of change so it can't be linear.
What is a nonlinear function?Any function whose graph is not a line is said to be nonlinear. It has the equation f(x) = ax + b. With the exception of form f(x) = ax + b, its equation can take any form. Any two points on the curve have the same slope. Every pair of points on the graph do not have the same slope.
The rate of change of the function is not constant for the given data so it can not be a linear function. It's an exponential function.
4/2 = 2; 8/4 = 2; 16/8 = 2.
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This question is asking me to “Identify whether each of the following is a linear function