Answer:
[tex]u=16.0024213[/tex]
Step-by-step explanation:
[tex]-4.13(u-19)=12.38\\-(4.13u-4.13*19)=12.38\\-(4.13u-78.47)=12.38\\(-4.13u+78.47)+(-78.47)=12.38+(-78.47)\\-4.13u+78.47-78.47=12.38-78.47\\-4.13u=-66.09\\\frac{4.13u}{4.13} =\frac{66.09}{4.13} \\u=\frac{66.09}{4.13} \\u=16.0024213[/tex]
f(x) = x² + 10
What is the average rate of change of f over the interval [ -2,-1?
Answer:
-3
Step-by-step explanation:
f(-2) = (-2)^2 + 10 = 14 -> (-2, 14)
f(-1) = (-1)^2 + 10 = 11 -> (-1, 11)
(11-14)/(-1-(-2)) = -3/1 = -3
Solve for x.
-3x + 50 = 101
-3x + 50 = 101
-50 -50 subtract 50 from both sides, 50's cancel out from the left.
___________ solve for 101 - 50.
-3x = 51
___ ___ divide -3 on both sides, -3's cancel out on the left.
-3 -3 solve for 51 ÷ -3.
x = -17, is the answer.
Hope this helps! Let me know if you have any other questions related to this problem. :)
fifty nine million four hundred seventy five thousand six hundred forty three in standard form
Answer:
59,475,643
Step-by-step explanation:
A right triangle has a leg that is 2.70 m long and a hypotenuse that is 7.76 m long. What is the length of the other leg of the triangle in meters using the rules for significant digits?
Applying the Pythagorean Theorem and using the rules of significant digits, the length of the other leg of the right triangle is approximately 2.61 meters.
Recall:
Pythagorean Theorem is given as: [tex]a^2 + b^2 = c^2[/tex]a and b are the two other legs of a right-angled triangle, while c is the hypotenuse.Using the Pythagorean Theorem, we are going to find the length of the other leg of the triangle that has:
a = 2.70 m (a leg)c = 7.76 m (hypotenuse)Substitute and find the value of b (the other leg).[tex]2.27^2 + b^2 = 7.76^2\\\\b = \sqrt{7.76^2 - 2.27^2} \\\\b = 2.607[/tex]
Therefore, applying the Pythagorean Theorem and using the rules of significant digits, the length of the other leg of the right triangle is approximately 2.61 meters.
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Use the given information yo find the exact value of each of the following. A. Sin 2 theta . B. Cos 2 theta C. Tan 2 theta
Cot theta = 6, theta lies in quadrant III
Answer:
C
Step-by-step explanation:
if xr-st=r, which expression represents x
Answer:
To get an expression relating to x you need to have x alone on one side of your equation. ie x =
Try this:
rx - st = r
remove st from the rx side
rx = r + st
now divide by r
x = (r + st)/r
You now have your expression relating to x
What is the answer for this problem?
Answer:
The function has a maximum of 2 at [tex]x=1[/tex]
Step-by-step explanation:
The graph is a vertical parabola. The minimum, or min is when the parabola opens up, the vertex is at the lowest point on the graph. The maximum, or maxis when the parabola opens down, the vertex is the highest point on the graph.
Since it asks for "[tex]x[/tex]", we can tell that it is 1. If you look at the x-axis in the graph at where the point lies, you will find that [tex]x=1[/tex]
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Solve and graph "-14" < "-6x" - 2 ≤ 22
[tex]\\ \sf\longmapsto -14<-6x-2<22[/tex]
Add 2 on all sides[tex]\\ \sf\longmapsto -14+2<-6x-2+2<22+2[/tex]
[tex]\\ \sf\longmapsto -12<-6x<24[/tex]
divide all sides by 6[tex]\\ \sf\longmapsto -2<-x<4[/tex]
[tex]\\ \sf\longmapsto 2>x>-4[/tex]
Help please ✨✨✨✨✨✨✨✨✨✨✨
Answer:
khuhkl
Step-by-step explanation:
bjknn.nl≥m;l
Answer:
midpoint of the segment is 7,7
contruct an isosceles triangle PQR suxh that PQ=PR=10cm and QR=9cm.Measure and write down the size of QPR
Measurement = 10 + 10 + 9
= 29cm
Convert the percent to a decimal
2/5%
Answer:
0.4
Step-by-step explanation:
Step-by-step explanation
please help
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Answer:
Hope this helps :)
Step-by-step explanation:
x+x-13=88
2x-13=88
2x-13+13=88+13
2x=101
101/2 = 50.5
Express in the form of P/Q i) 0.675 (ii) 0.32
Express in the form of P/Q
i) 0.675
= 675/1000
(ii) 0.32
= 32/100
Question 33
Suppose 96 % of students chose to study Spanish their junior year, and that meant that there were 696 such students. How many students chose
not to take Spanish their junior year?
Answer:
110
Step-by-step explanation:
If 12% studied Spanish, then 88% did not. The ratio of those who did not to those who did is ...
88 : 12 = 22 : 3
Then the number of students who did not study Spanish is ...
(22/3)×15 = 110 . . . . did not study Spanish
22:3 is a reduction of the ratio 88:12, by factoring 4 from each number. 15 is the number of students corresponding to 12% of the class. It is found in the problem statement. Essentially, we're saying that we want to know the number of students in the other 88% of the class, given that 15 students make up 12% of the class. There are many ways to write equations for this. I think this proportion is the easiest to think about.
If F is the size of the freshman class, and n is the number Not studying Spanish, you have 12%·F = 15, and 15 + N = F. You can solve the first equation for F, then the second equation for N, which is what you really want to know. F = 15/.12 = 125; N = F -15 = 125-15 = 110.
These two equations are reasonably straightforward, but to my lazy way of thinking, it is an extra equation and an extra calculation that are not needed to get to the answer.
You don't need to reduce the ratio from 88/12 to 22/3 to work the problem using ratios. The only reason for doing that is so there is a 3 in the denominator that cancels a factor of 3 in 15, so the only math you really need to do is 22·5 = 110. It helps immensely to know your multiplication tables, and to be able to recognize multiples of 2 and 4.
Step-by-step explanation:
percentage of students not to take spanish is 4%
answer is 696*4/100=27.84
so 28 students not to take spanish
8: Two supplementary angles have measurements of (3x)" and (10x - 15)°. What are the measures of the
two angles?
A 45° and 135°
B 25° and 65°
C 15° and 165°
D 30° and 60°
Is 47 an answer choice
Answer:
45 and 135 A
Step-by-step explanation:
3x + (10x - 15) = 180
Orderd pairsY=1/3×-6
Answer:
Step-by-step explanation:
2x - 3 = x + 5 and y + 1 = 7
⇒ 2x - x = 5 + 3 ⇒ x = 8 and y = 7 - 1 ⇒ y = 6
Note that a change can be an increase or a decrease.
For an increase, use a positive number.
For a decrease, use a negative number.
(b)Deon removed 72 fish from his pond over a period of 9 days. He removed the same number of fish each day. What was the change in the number of fish in the pond each day?
Answer:
72 fish = 9 days * x fish, x fish/day = 72 fish / 9 days = 8 fish/day
Step-by-step explanation:
Amer bought 12 pounds of apples for $6. Use a ratio table to find the cost of buying 10 pounds of apples.
Answer:
$5
Step-by-step explanation:
12 pounds = $6
1 pound = $6/12
1 pound = $0.50
10 pounds = $0.50 x 10
10 pounds = $5.00
-Chetan K
What times what equals -7
Answer:
-7 x 1
hope that helped <3
-7 times one is equal to minus seven.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
We need to find what times what is -7.
Whenever we see a times in an expression its nothing but multiplication.
Multiplication is a method of finding the product of two or more numbers
We need to find the two numbers whose product will be equal to minus seven.
We know that there is only one possibility.
-7×1=-7
and 1×-7=-7
Hence ,-7 times one is equal to minus seven.
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is -29 a whole number, integer, or rational number
Answer: its a integer...
Step-by-step explanation: it cant be a whole number its negitive and also doesn't look like a rational number those are mostly fractions decimals ect its prob a interger
Which situation best represents the relationship between x and y presented in the graph? An elevator starts on floor 6 and ascends at a rate of 1 floor per second. Ally made 15 pancakes at a rate of 6 pancakes per minute. Andrew has $6 to spend at the arcade. He spends $1 per game he plays. 1 inch of rain falls every hour for 6 hours. Coordinate graph with horizontal axis numbered 0 to 10 and vertical axis numbered 0 to 15. A line runs through these points: begin ordered pair 0 comma 6 end ordered pair, begin ordered pair 1 comma 7 end ordered pair, begin ordered pair 2 comma 8 end ordered pair, begin ordered pair 5 comma 11 end ordered pair, begin ordered pair 6 comma 12 end ordered pair, begin ordered pair 7 comma 13 end ordered pair, begin ordered pair 8 comma 14 end ordered pair, and begin ordered pair 9 comma 15 end ordered pair.
Answer:
6 floors per 1 minute
2 and a half pancakes per minute
etc.
Step-by-step explanation:
Simplify to the ratios lowest form and the compare.
Suppose a stock is selling on a stock exchange for 6 3/4 dollars per share. If the price increases 3/4 per share, what is the new price of the stock? Leave your answer as a proper fraction or mixed number.
Step-by-step explanation:
If the price increases 3/4 per share, the new price of the stock =
6¾ + ¾ =
27 /4 + ¾ =
30 /4 =
15/2 or 7½
The new price of the stock which increases 3/4 per share is $ 7 1/2.
Given data:
A stock is selling on a stock exchange for 6 3/4 dollars per share.
If the price of the stock increases by 3/4 dollars per share, you can add 3/4 to the current price of 6 3/4 dollars per share:
6 3/4 + 3/4
To add the whole numbers and fractions separately:
6 + 0 + 3/4 + 3/4
Adding the whole numbers and fractions:
6 + 1 1/2
A = 7 1/2
Hence, the price of the new stock is $ 7 1/2
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help me please. thank you if you do.
8/5 divided by -0.35
Answer:
-4.57142857143 rounded to -4.57 or -4.6
Step-by-step explanation:
calculator
what is the GCF of 8 and 10
Answer:
2
Step-by-step explanation:
Calculate the prime factors of 8 and 10, than find the greatest common factor (greatest common divisor (GCD)) of the numbers by matching the biggest common factor of 8 and 10.
8 = 1, 2, 4, 8
10 = 1, 2, 5, 10
The Greatest Common Factor of both numbers is 2,...
Chow,...!
what is the answer / product of 8x2
Reformatting the input :
Changes made to your input should not affect the solution:
(1): "x2" was replaced by "x^2".
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
8*x^2-(8)=0
Step by step solution :
STEP
1
:
Equation at the end of step 1
23x2 - 8 = 0
STEP
2
:
STEP
3
:
Pulling out like terms
3.1 Pull out like factors :
8x2 - 8 = 8 • (x2 - 1)
Trying to factor as a Difference of Squares:
3.2 Factoring: x2 - 1
Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)
Proof : (A+B) • (A-B) =
A2 - AB + BA - B2 =
A2 - AB + AB - B2 =
A2 - B2
Note : AB = BA is the commutative property of multiplication.
Note : - AB + AB equals zero and is therefore eliminated from the expression.
Check : 1 is the square of 1
Check : x2 is the square of x1
Factorization is : (x + 1) • (x - 1)
Equation at the end of step
3
:
8 • (x + 1) • (x - 1) = 0
STEP
4
:
Theory - Roots of a product
4.1 A product of several terms equals zero.
When a product of two or more terms equals zero, then at least one of the terms must be zero.
We shall now solve each term = 0 separately
In other words, we are going to solve as many equations as there are terms in the product
Any solution of term = 0 solves product = 0 as well.
Equations which are never true:
4.2 Solve : 8 = 0
This equation has no solution.
A a non-zero constant never equals zero.
Solving a Single Variable Equation:
4.3 Solve : x+1 = 0
Subtract 1 from both sides of the equation :
x = -1
Solving a Single Variable Equation:
4.4 Solve : x-1 = 0
Add 1 to both sides of the equation :
x = 1
Two solutions were found :
x = 1
x = -1
the number that are being multiplied are called as.................
Answer:
Factors
Step-by-step explanation:
Factor*factor=product
Answer:
The numbers to be multiplied are generally called the "factors". The number to be multiplied is the "multiplicand", and the number by which it is multiplied is the "multiplier". ... The result of a multiplication is called a product.
Step-by-step explanation:
If Jamar can ride his bike 10 miles in 1 hour, how far can he ride his bike in 2 hours? How far did he go in 36 mins?
Answer:
Jamar can ride his bike 20 miles in 1 hour.
He went 6 miles in 36 minutes.
Help ASAP- I dont understand!!!
Is the relation below a function? If it is a function, state its domain.
{(0,2),(2,4),(1,7),(2,5)}
A. The relation is not a function.
B. The relation is a function. The domain is {0,1,2}
C. The relation is a function. The domain is {2,4,5,7}
D. The relation is a function. The domain is {0,1,2,4,5,7}
Answer:
A
Step-by-step explanation:
The relation is not a function. All you need to solve this problem is the following: Relations are NOT functions when the domain values repeat!
Note: The domain is the set of input values. The domain is x, the first number in the pair. For example, in the pair (0, 2), the domain is 0.
In the relation {(0,2),(2,4),(1,7),(2,5)}, 2 is repeated two times, which, by definition, means that the relation is not a function.
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ownload
Alex, Kiri, and Caleb played a computer game together. Alex scored
758 points more than Kiri. Kiri scored 912 points fewer than Caleb. Their
total score was 8,450 points. How many points did Caleb score?
758
758
+ *
-912
1670
7 13 Ls
suso
1670
6 7 8
Alex
gia
Kiri
Answer:
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