If x = 9 and y = 4, work out the value of xy/ 2

Answers

Answer 1

Answer:

answer: 3/1

Step-by-step explanation:

This is like a puzzle, and each part tells you something. The first statement tells us that x is a negative number and y is a positive number. The next statement, x + y , is what we need to know. The first absolute value gives us x. Solve for the absolute value, that is, what is inside can be either negative or positive so either x-9 = 12 or x - 9 = -12. Solve those for x = 21 or x = -3. We know that x is negative from that first statement, , so x is -3. Do the same with the other absolute value to solve for y, then add the two together to get your final answer. hope this helps a bit!

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If F'(x)= $\sqrt{1+x^(3) }$ and F(1)=5, then F(3)= (A)1.230
(B)3.585
(C)6.230
(D)8.535
(E)11.230

Answers

Answer:

Step-by-step explanation:

Since the given expression is an elliptic integral, it's not easy to find F(x) explicitly. However, if we use a linear approximation, we can try to estimate F(3), though it won't be too close, since 3 is not very close to 1.

At the point (1,5) the slope of the tangent line is F'(1) = $√(2)$

So, using that line,

F(3) = F(1) + F'(1)(3-1) = 5+2 $√(2)$ = 7.828

Well, that didn't work out too well.

So, let's pull out our handy integral calculator, and we find that

$\int\limits^0_1 {√(1+x^3) } \, dx = 1.111$

But, we know that F(1) = 5. So we need to add C = 3.889

Now, integrating again,

$\int\limits^0_3 √(1+x^3) \, dx = 7.341 + 3.889 = 11.229$

Oops. I messed up the limits, but you get the idea.

blank +blank =8 blank=4 rewrite the equation by replacing the variable with the correct number

Answers

4+4=8 this is the correct numbers.

Since blank = 4, you replace the word blank with 4.

4 + 4 = 8

The lengths of the bases of the right trapezoid are 9 cm and 18 cm. The length of a longer leg is 15 cm. Find the area of the trapezoid.

Answers

Firstly, we will draw figure

now, we will draw a altitude from B to DC that divides trapezium into rectangle and right triangle

because of opposite sides of rectangle ABMD are congruent

so,

DM=AB=9

CM=CD-DM

CM=18-9

CM=9

now, we can find BM by using Pythagoras theorem

$BM=√(BC^2-CM^2)$

now, we can plug values

we get

$BM=√(15^2-9^2)$

$BM=12$

now, we can find area of trapezium

$A=(1)/(2) (AB+CD)*(BM)$

now, we can plug values

and we get

$A=(1)/(2) (9+18)*(12)$

$A=162cm^2$

so, area of of the trapezoid is $162cm^2$ ..........Answer

How many odd numbers greater than 60000 can be formed, using numbers 2,3,4,5 and 6 if each digit is used only once in each number?

Answers

Hello,

All the numbers must begin with 6.

There are still 2,3,4,5 digits : 4 possibilities.

4!=4*3*2*1=24

The first is 62345 and the last 65432.

Final answer:

To find the number of odd numbers greater than 60000 that can be formed using the given numbers with each digit used only once, you can determine the number of possibilities for each digit and multiply them together. The answer is 96.

Explanation:

To find the number of odd numbers greater than 60000 that can be formed using the numbers 2, 3, 4, 5, and 6 with each digit used only once, we need to consider the possible arrangements of these digits. First, we can determine the number of possibilities for the leftmost digit, which must be either 3, 4, 5, or 6. Next, we can determine the number of possibilities for the remaining four digits, which can be arranged in 4! (4 factorial) ways. Multiplying these two values gives us the total number of odd numbers greater than 60000 that can be formed using these digits with each digit used only once.

Thus, the number of odd numbers greater than 60000 that can be formed using the numbers 2, 3, 4, 5, and 6 with each digit used only once is 4 * 4! = 4 * 4 * 3 * 2 * 1 = 96.

Learn more about Odds numbers greater than 60000 here:

brainly.com/question/27986727

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Please help. Question is in the picture

Answers

Hey,here is the answer to ur question..!
1.BD=AE (given)
2. Ci Is the midpoint of BD and AE (given)
3. AC=EC (Cis the midpoint Of AE)
4. BC=DC (midpoint theorem)
5.angle ACB and angle ECD are vertical angles ( definition of vertical angles)
6. angle ACB=angle ECD (vertical angle theorem)
7.triangle ABC Is congruent to triangle EDC ( SSS criterion rule)
Hope this helps u....!!!

Rewrite the set T by listing its elements. Make sure to use the appropriate set notation. T={[ z| z is an interger and -4≤z<0}

Answers

Based on the given above, the set T is composed of the integers that are between -4 and 0; with -4 being included. Rewriting this set by using the Roster Method gives us an answer of,
T = {-4, -3, -2, -1}

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