What is an equation of the line that passes through the point (−4,5) and is perpendicular to the line 4x+y=7
Answer:
[tex]y = \frac{1}{4} x + 6[/tex]
Step-by-step explanation:
rewrite the original equation
[tex]4x + y = 7 \\ y = - 4x + 7[/tex]
perpendicular line has a negative reciprocal slope. I will use this slope and substitute the points to find our y-intercept
[tex]5 = \frac{1}{4} ( - 4) + b \\ 5 = - 1 + b \\ b = 6[/tex]
correct answers Please!!
Answer:
114 miles
Step-by-step explanation:
The standard deviation of a population is 13.
What is the margin of error?
Given the value of the standard deviation of population, if the critical value is 0.65, the Margin of error will be 0.65.
What is margin of error?Margin of error simply shows how many percentage points a results will differ from the real population value.
It can be expressed as;
Margin of error = Critical value × Standard deviation
Given that;
Standard deviation S = 13Margin of error = ?Margin of error = Critical value × Standard deviation
Lets take critical value to be 0.05
Hence,
Margin of error = 0.05 × 13
Margin of error = 0.65
Therefore, given the value of the standard deviation of population, if the critical value is 0.65, the Margin of error will be 0.65.
Learn more about margin of error here: https://brainly.com/question/10501147
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The radius of a circle with centre O is 5 cm. The lengths of the chords AB and BC are 6 cm and 8 cm respectively. The midpoints of the chords are X and Y respectively. Find the perimeter of the quadrilateral OXBY.
Answer:
Step-by-step explanation:
AB=6 cm
BX=1/2 AB=1/2 ×6=3 cm
BC=8 cm
BY=1/2×BC=1/2×8=4 cm
perpendicular bisector of a chord always passes through the center.
so quadrilateral OXBY is a rectangle.
Perimeter=2(BX+BY)=2(3+4)=2×7=14 cm.
6x < 36
what is the right answer
X< or >6
Answer:
X < 6
Step-by-step explanation:
Since 6 times 6 = 36, then for this equation to be true, x would have to be less than 6.
please can someone answer all these
Answer:
what is it what math
Step-by-step explanation:
um what kind of math is this high school primary school
The solution to 3(x-8)+4x=8x+4
Answer: x = -28
Step-by-step explanation:
1) Distribute
3(x-8)+4x=8x+4
3x-24+4x=8x+4
2) Combine like terms
7x - 24 = 8x + 4
3) Move x(subtract 7x from both sides)
-24 = x + 4
4) Subtract 4 from both sides.
-28 = x
Hope it helps :)
The simplified solution of the given expression is x = -28.
Given that, to determine the simplified solution of the expression 3(x-8)+4x=8x+4
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
3(x-8)+4x=8x+4
3x - 24 + 4x - 8x = 4
-x = 4 + 24
-x = 28
Thus, the simplified solution of the given expression is x = -28.
Learn more about simplification here:
https://brainly.com/question/12501526
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A parallel line is a _____ of the original line
rotation
translation
What i want to know is.. why is that possible?
And, why we could add the two inequalities together down side there ??
Answer: Explanation below.
Step-by-step explanation: A good question, since working with inequalities and using the same operations as with "=" equations is a bit uncomfortable. I don't have a mathematical proof for this operation, but approach it with a "Why not?" attitude. If 9>6 and 130 > 30, why wouldn't 139>36? There is nothing in the add operation that should upset the basic inequality. I suggest https://www.storyofmathematics.com/inequalities-math for more information.
What is the solution t
x-8 > -3
Answer:
x>5
Step-by-step explanation:
If you plug in 5, 5-8>-3 that is -3>-3 so you know that x has to be greater than 5.
could yall help me pls
Step-by-step explanation:
see the above attachment.
hence your answer is A.
hope this helps you .
Original remains fossils have been protected from decay by amber, permafrost, oil, and _____.
sediment
wood
weather
coal
Answer:As I know the answer is coal
Step-by-step explanation:
Please votes me 5 stars,1 hearts and mark as Brainliest for me .Thanks
!HELP 20 POINTS!! Which table represents exponential growth?
Answer: The second table represents exponential growth.
Step-by-step explanation:
The second tables Y values go up with the X values so it is exponentia. The first table the Y values rise and then fall with the X values so it is not exponentia. Hope this helps!
Please do 3 hurry!!!!
Here is the answer above. Click to view
What is the slope-intercept form of -8x-2y=-24
Answer:
y=−4x+12
Step-by-step explanation:
y=−4x+12
Hope that helps
Need help finding this answer −9 − −8 =
Answer:
-1
Step-by-step explanation:
-9--8
remember that 2 negatives= a positive thus...
-9--8
is the same as
-9+8
which is
=-1
Hope this helped you- have a good day bro cya)
18. Dylan's mother tells Dylan he must spend
less time playing electronic games. On
the weekends he spends 9 1/2 hours playing
electronic games. If he plays between 13 and
19 hours each week, how many hours does
he play games on weekdays?
Answer:
Dylan is playing anywhere from 3.5 hours to 9.5 hours of electronic games on week days.
Step-by-step explanation:
(least estimated amount of hours played each week) 13-9.5=3.5
(highest estimated amount of hours played each week)19-9.5=9.5
If I helped you please let me know with a thank you, rating or brainly
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The next model of a sports car will cost 6.3% less than the current model. The current model costs $45,000. How much will the price decrease in dollars? What will be the price of the next model?
Answer:fevagria un 30% de dinero
Step-by-step explanation:
Evaluate the function for each input listed in the table, and graph the resulting ordered pairs on the coordinate plane.
x f(x) = 2x
0
1
2
3
4
Answer:
0
2
4
6
8
Step-by-step explanation:
f(x) = 2x
f(0) = 2 * 0 = 0
f(1) = 2 * 1 = 2
f(2) = 2 * 2 = 4
f(3) = 2 * 3 = 6
f(4) = 2 * 4 = 8
The complete table of the linear function f(x) = 2x for x = 0 to 4 is:
x 0 1 2 3 4
f(x) 0 2 4 6 8
How to evaluate the function values?The function is given as:
f(x) = 2x
When x = 0, we have:
f(0) =2(0) = 1
When x = 1, we have:
f(1) =2(1) = 2
When x = 2, we have:
f(2) =2(2) = 4
When x = 3, we have:
f(3) =2(3) = 6
When x = 4, we have:
f(4) =2(4) = 8
So, the complete table is:
x 0 1 2 3 4
f(x) 0 2 4 6 8
Read more about linear functions at:
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Write the equation of the line passing through the points (6,2) and (-2,-2). The equation of the line is __ Please help!!!
Answer:
y = 1/2x - 1
Step-by-step explanation:
y2 - y1 / x2 - x1
-2 - 2 / -2 - 6
-4 / -8
= 1/2
y = 1/2x + b
-2 = 1/2(-2) + b
-2 = -1 + b
-1 = b
4. What is the mode of the data set below? (1 point) 0, 1, 1, 0, 2, 3, 2, 1, 0, 4, 1, 1
100 Points. Help solve. The sides are X, y, and 8. The reference angle is 60 degrees. Thanks
Step-by-step explanation:
y=8tan60=8√3
x=8/cos60 = 8 × 2 =16
What is the independent quantity?
A) not enough information
B) types of food I eat
Randy needs to buy 5 pens and 3 colored pencils for his art activity. He has P 86.78 to spend. If the pens and pencils have the same price, how much is the pen and colored pencils per piece?
A. 9.50
B. 10.85
C. 8.75
D. 7.55
Betty's height was 119.2 cm, and Beth's height was 105.6 cm. Six months later, Betty gained 0.4 cm per
month, but Beth's height just remains the same. Find their new total height.
A. 227.2cm
B. 223.4cm
C. 231.8cm
D. 229.6cm
The cost of pen and colored pencils per piece is =10.85
The new total length of both Betty and Beth is =227.2cm
Total number of pens Randy needs to buy = 5
Total number of colored pencils Randy needs to buy= 3
The both items are bought at the same prize = a
The cost of five pens is = 5× a = 5a
The cost of colored pencils is = 3 × a= 5a
The money needed to spend on the items= 86.78
To find the cost of each item which is a ,
5a + 3a = 86.78
(5+3) a= 86.78
8a = 86.78
therefore a = 86.78/8
= 10.85
Therefore the prize of each item is = 10.85. That is option B
Betty's height = 119.2 cm
Beth's height = 105.6cm ( which remained the same)
But Betty's height after 6 months = (6× 0.4) + 119.2
= 2.4 + 119.2
= 121.6 cm
Therefore, the total new height= 121.6 + 105.6
= 227.2cm
That is option A.
Find the equation of the linear function represented by the table y 6 9 12 15 x 1 2 3 4
Answer:
y = 3x + 3
Step-by-step explanation
Values on the y-axis are increasing by 3, while values on the x axis are increasing by 1, so the slope is 3/1 or just 3
To find b, you the slope, 3, from the 6. You also subtract 1 from 1 in the x-collum. You do this to find the y-intercept, or when x=0.
Evaluate: - 20 – 6 =
А 26
B. 14
С -14
D - 26
Answer:
- 26
Step-by-step explanation:
- 20 - 6
= - 20 + ( - 6 )
= - 26
Round 0.1347 to the nearest tenth.
Answer:
0.1
Step-by-step explanation:
Tenths is the first place to the right of the decimal point
Since the next place over is 3
round down to 0.1
Someone please help me with this.
Answer:
Step-by-step explanation:
I know this is rather sneaky, but on a multiple choice question on a quiz, you need all the help you can get. I'm not saying this is a quiz, by the way. It doesn't say that it is anywhere.
Look carefully at the first three statements. Is there an angle mentioned at all? There isn't, is there? That being the case (and since nothing is marked as a right angle), the only possible answer is SSS which D.
Answer:
D
Step-by-step explanation:
There are not any angles shown, and the triangle is not a right triangle, so it is SSS
*) Match each description to the term that it represents.
the number of words made
3t
the number of tiles not used
10w
) the points earned from words made
1) the points taken away from tiles not used
W
Answer:
its 10w-3t+5
Step-by-step explanation:
Translate into an algebraic equation, then solve the equation.
Peter paid $9.75 to go to the movies, which was $46.25 less than he paid to go to a concert. How much did he pay to go to the concert?
Answer:
$56
Step-by-step explanation:
Simply add the two values together, the algebraic equation would be:
9.75 + 46.25 = 56
So he paid $56 to go to the concert.
Hope this helps!