Let a be first term
[tex]\\ \rm\longmapsto a_8=a+7d[/tex]
[tex]\\ \rm\longmapsto 26=a+7(3)[/tex]
[tex]\\ \rm\longmapsto a=26-21[/tex]
[tex]\\ \rm\longmapsto a=5[/tex]
Now
[tex]\\ \rm\longmapsto a_4=a+3d[/tex]
[tex]\\ \rm\longmapsto a_4=5+3(3)[/tex]
[tex]\\ \rm\longmapsto a_4=5+9[/tex]
[tex]\\ \rm\longmapsto a_4=14[/tex]
can someone please help me solve this?
Answer:
-15
Step-by-step explanation:
df(x, y) / dy = lim (f(x, y+h) - f(x, y)) / h =
lim (e^x^2 - 15y - 15h - e^x^2 ‐ 15y) / h = lim -15h / h = -15
so, the first derivative of f(x,y) by y is simply a constant : -15
fy (x, y) = -15 for any and every values of x and y.
the fast track would be derivative calculation :
the derivative by y makes x a constant. and every constant is eliminated for derivation.
so, e^x^2 goes away (= 0 in the derivative).
that leaves -15y = -15×y¹. its derivative simply is
1×-15×y⁰ = -15
Help me with my summer Hw please
Answer:
Step-by-step explanation:
Gabby left the mall and drove north. Violet left 2 hours later, driving 18 mph faster to catch up with Gabby. After 3 hours, she caught up with Gabby. Find Gabby's
average speed.
O 45 mph
O 54 mph
O 27 mph
O 36 mph
let the speed of Gabby be S and the speed of violet be S+18
they drove the same distance(d) so d is constant
S*5=(S+18)*3
5s=3S+54
2S=54
S=27mph
Hi! Any help is appreciated (:
Answer: Second Choice. √65
Step-by-step explanation:
Given information
a = 4
b = side (unknown)
c = 9
Given expression
b² = c² - a²
Substitute values into the expression
b² = (9)² - (4)²
SImplify by exponents
b² = 81 - 16
b² = 65
Square root both sides
√(b²) = √65
b = √65
Hope this helps!! :)
Please let me know if you have any questions
Answer:
√65
Step-by-step explanation:
Since this is a right triangle, we can use Pythagorean Theorem to solve for the missing side.
Pythagorean Theorem: [tex]a^2+b^2=c^2[/tex]
a = legb = legc = hypotenuseIn this instance, we are given a leg and the hypotenuse. Substitute the values into the theorem and solve for the missing side.
[tex]4^2+b^2=9^2\\\\16=b^2=81\\\\b^2=65\\\\b=\sqrt{65}[/tex]
Therefore, the value for the missing side is √65.
Convert 14ML (megalitres) iinto kilolitres
Answer:
14000Kilolitres
Step-by-step explanation:
[tex] 1megalitre = 1000kilolitres \\ [/tex]
[tex]14megalitres = xkilolitres[/tex]
Cross multiply
[tex]14 \times 1000 = xkilolitres[/tex]
[tex]14megaitres = 14000kilolitres[/tex]
PLS HELP ME ON TTHIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION WHILE YOU ANSWER THE QUESTION!!
Which of the following is not a step in creating a box plot?
A. Order the data
B. Find the values for the five-number summary
C. Create a number line
D. Add all of the numbers in the data set and divide by the number of data items in the set
9514 1404 393
Answer:
D (compute the mean)
Step-by-step explanation:
A box plot is a visual representation of the 5-number summary of a set of data. It is plotted against a number line.
The 5-number summary of the data set is most easily determined from an ordered set of the data, so ordering the data is usually the first step. Since the 5-number summary is plotted against a number line, the next steps are finding the 5-number summary, and creating a suitable number line.
__
The business of adding the data and dividing by the number of data items is a description of computing the mean of the data. That value is not part of the 5-number summary, and is not needed in the creation of the box plot.
the expression 3xy+12y-5x+7w has how many terms in polynomial ??
Answer:
4
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
There are 4 individual terms in the polynomial:
3xy
12y
-5x
7w
please help, will give brainliest!!!
Answer:
≈ 0.19
Step-by-step explanation:
So first, we find the probability of getting 1 yellow marble (the formula is the number of amount of type over the total number of items), which is:
10/(6+10+5+1)
= 10/22
= 5/11.
So getting a yellow marble on the first try is 5/11 likeliness.
Now, for the second one, we do the same except that you are NOT putting it back into the bag, which means we have to subtract the yellow marble you already took AND ALSO ONE FROM THE TOTAL AMOUNT OF YELLOW MARBLES.
To find the probability of getting the second marble, our equation is:
9/(6+9+5+1)
= 9/21
= 3/7.
Lastly, to find the probability of getting them both consecutively, we multiply the two results.
5/11 * 3/7
= 15/77
≈ 0.19
I hope this helped! :D
An Aquarium’s dimensions are 3 1/4 ft x 2 ft x 1 3/4. What is the volume of the Aquarium?
Volume = length x width x height
Volume = 3 1/4 x 2 x 1 3/4 = 11 3/8 cubic feet
Answer:
11 3/8 ft^3
Step-by-step explanation:
The volume is given by
V = l*w*h
V = 3 1/4 * 2 * 1 3/4
Change the number to improper fractions
V = (4*3+1)/4 *2 * (4*1+3)/4
= 13/4 *2* 7/4
Rewriting
= 13/1 * 2/4 * 7/4
= 13/1 * 1/2 *7/4
= 91/8
Changing back to a mixed number
8 goes into 91 11 times with 3 left over
11 3/8 ft^3
2/3=(x+7)/3x
Its for my summer math, and I have forgot how to do these types of problems. please help
30 POINTS!!
Answer:
x = 7
Step-by-step explanation:
I reversed it for easy viewing:
(x+7)/3x = 2/3
<=> (x + 7).3 = 2.(3x)
<=> 3x + 21 = 6x
<=> 21 = 6x - 3x
<=> 3x = 21
<=> x = 7
2/3 = (x+7) /3x
Cross multiply:
2(3x) = 3(x+7)
Simplify:
6x = 3x + 21
Subtract 3x from both sides:
3x = 21
Divide both sides by 3:
X = 7
Answer: x = 7
HELPPP PLZZZZ DUE SOONnnn
Answer:
x = 7, EF = 10, FG = 12
Step-by-step explanation:
EF = 4x - 18
FG = 3x - 9
EG = 22
EG = 22
EF + FG = 22
4x - 18 + 3x - 9 = 22
4x + 3x - 18 - 9 = 22
7x = 22 + 18 + 9
7x = 49
x = 7
EF = 4x - 18
EF = 4*7 - 18
EF = 28 - 18
EF = 10
FG = 3x - 9
FG = 3*7 - 9
FG = 21 - 9
FG = 12
13. Diberi v = u + at, cari nilai t apabila v = v = 42 u=-8 dana - 5.
A.10
B.8
C.6
D.4
Answer:
Lol mcm soalan kamu salah. Pilih A je
Step-by-step explanation:
v = 42u = -8a = -5Masukkan nilai tersebut dalam persamaan v = u + at,
42 = -8 + (-5)t
50 = -5t
t = -10
Which of the following expressions has a value of 4? A. (16 – 12)² B. – | – 4 | C. (96 ÷ 8) – 2³ D. 24 – 42
A. (16 - 12)² = 4² = 4 · 4 = 16
B. -|-4| = -4
C. (96 : 8) - 2³ = 12 - 8 = 4
D. 24 - 42 = -(42 - 24) = -18
or 2⁴ - 4² = 16 - 16 = 0
The correct answer is C
Write and solve an equation
Pang drove to his mother's house to drop off her new TV.
He drove at 50 miles per hour there and back, and spent 10 minutes dropping off the TV
The entire journey took him 94 minutes. How far away does his mother live?
Answer:
70 miles
Step-by-step explanation:
Subtracting ten minutes from the elapsed time 94 minutes tells us that the travel (at constant average speed) took 84 minutes. We convert 84 minutes to 84/60 hour.
distance = rate•time = 50 mi/hr (84/60 hour) = 50(1.4) = 70 miles
The option which is not a solution of the equation 2x + 3y = 6 is:
(A) (0, 2)
(B) (1, 1)
(C) (-3, 4)
(D) (3, 0).
Answer:
Step-by-step explanation:
B OR TRUE
A 4-pack of plastic flower pots costs $4.08. What is the unit price?
Answer:
If 4 flower pots cost 4.08 dollars, then 1 flower pot costs 4.08/4 dollars.
4.08/4 = 1.02.
So the unit price is $1.02.
Let me know if this helps!
PLEASE HELP!!!!! I really need help with this.
Answer:
w = 4.66
Step-by-step explanation:
A . 4 = 18 - 3w
Transpose to find w
3w = 18 -4
3w = 14
w = 14 / 3
w = 4.66
Answer:
Exact form:
w= 14/3
Decimal Form:
w= 4.6
Mixed Number Form:
w= 4 2/3
Step-by-step explanation:
help help help I'll mark u BRAINLIEST SOLVE:3x² +5x−2≤0
Answer:
-2 <= x <= 1/3
Step-by-step explanation:
it is the same as for equations.
the solution for a square equation is
x = (-b ± sqrt(b² - 4ac))/(2a)
our parameters here are
a = 3
b = 5
c = -2
so,
x = (-5 ± sqrt(25 - -24))/6 = (-5 ± sqrt(49))/6 = (-5 ± 7)/6
x1 = (-5 + 7)/6 = 2/6 = 1/3
x2 = (-5 - 7)/6 = -12/6 = -2
since we are looking for smaller or equal, points of 0 will be part of the solution.
now we need to check each side of these points on the x-axis, if they are true or not to the inequality.
left of -2 : let's pick -3
3×(-3)² + 5×-3 -2 = 3×9 - 15 - 2 = 27 - 15 -2 = 10
this is NOT <= 0, so this interval does not fit.
similar, right of 1/3 : let's pick 1
3×1² + 5×1 - 2 = 3 + 5 - 2 = 6
this is NOT <= 0, so this interval does not fit either (as expected, as normally either both sides fit, or both fail).
lastly, in the middle between -2 and 1/3 : let's pick 0
3×0² + 5×0 - 2 = -2
this IS <= 0, so the interval between -2 and 1/3 fits.
solve 3x/4 - 7/4 = 5x+12
On Monday a post office employee processed a batch of letters, on Tuesday she processed three times as many, and on Wednesday she processed 5,000 cards. In the 3 days she processed 15,000 letters. How many did she process on Tuesday
Let the number of letters processed on Monday = x
She processed 3 times letters on Tuesday.
Therefore, number of letters processed on Tuesday = 3x
Number of letters processed on Wednesday = 5000
Total number of cards processed in 3 days = 15000
Therefore, equation for the situation will be,
x + 3x + 5000 = 15000
4x = 15000 - 5000
4x = 10000
x = 2500
Since, number of letters processed on Tuesday = 3x
Therefore, number of letters processed on Tuesday = 3(2500)
= 7500
Learn more,
https://brainly.com/question/2415751
I need help ASAP!!!Only people that know the answer is right thanks
Answer:
700mi cube
Step-by-step explanation:
10x7x10=700mi cube
20. Which ordered pair is a solution to
y = 7x - 3?
A. (-2, -17) C. (2,7)
B. (-2, 11) D. (2, 14)
Answer:
A.
Step-by-step explanation:
Here's how to determine if a ordered pair is a solution to an inequality
Step 1. Take the ordered pair and substitute their x and y values to the inequality
Inequality: [tex]y=7x-3[/tex]
Ordered pair: [tex](-2,-17)[/tex]
Answer: [tex]y=7x-3[/tex]
[tex]-17=7(-2)-3[/tex]
Step 2. Solve
[tex]-17=7(-2)-3[/tex]
[tex]-17=-14-3[/tex]
[tex]-17=-17[/tex]
Therefore, [tex](-2,-17)[/tex] is a solution to the inequality
Solve for q.
39 + 4 + 9 = -14
q= [?]
[tex]\\ \sf \longmapsto 39+4+q=-14[/tex]
Simplify left side[tex]\\ \sf \longmapsto q+43=-14[/tex]
Change side.[tex]\\ \sf \longmapsto q=-14-43[/tex]
[tex]\\ \sf \longmapsto q=-57[/tex]
Topic: Differential Calculus; limit of a function
Answer:
umm answer is 3 i think is this right?
0
Choose which is a statistical question: What are
the ages of the students in this class? or How
many pennies equal 1 dollar? Explain.
The statistical question is; "What are the ages of the students in this class?
What is a statistical question?A statistical question is always aimed at data collection which can subsequently used for analysis and decision making. Statistical questions are asked in the course of research.
Among the two questions, the statistical question is; "What are the ages of the students in this class?
Learn more about statistics:https://brainly.com/question/8058700
#SPJ1
A line has an x-intercept of –5 and a y-intercept of 1. Determine the slope of a line parallel to this line.
Answer:
Step-by-step explanation:
A line with an x-intercept of -5 has the coordinates (-5, 0); that same line with a y-intercept of 1 has the coordinates of (0, 1). The slope of this line is
[tex]m=\frac{1-0}{0-(-5)}\\m= \frac{1}{5}\\[/tex]
A line that is perpendicular to this one will have a slope of -5.
Hence find the value of x that satisfies the two equations y =
5x/2-7 and y=4x/3
simultaneously.
Answer:
x=6
Step-by-step explanation:
since y=5x/2-7, and y=4x/3
so 5x/2-7=4x/3
5x/2-4x/3= 7
15x-8x/6=7
7x/6=7
x= 7*6/7= 6
268×7{34_56}÷890
Ayudaaa
268×7(34-56)÷890
= -5159
Must click thanks and mark brainliest
Trevor spent $27 and now has no money left. He had $___ before his purchase. He had $__before his purchase
Answer:
27
Step-by-step explanation:
The square root of the product of two positive numbers is called their geometric mean. What is the geometric mean of 16 and 64?
Answer:
Geometric mean of a and b: Square root of axb.
16x64 = 1024
Square root of 1024: 32.
So, the geometric mean is 32.
Hope this helps!
