Given u = ⟨2, –8⟩ and v = ⟨8, –2⟩, what is u · v?

Answer:3

3(4x+3)

Step-by-step explanation:

Answer: x = -3, x=+/2=1.4142

10% more than 6.16 is 6.776.

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Answer:

Arisa

3 dogs-15 mins

4 dogs-20 mins

Sofia

3 dogs-12 minutes

4 dogs-16 mins

yx^12

Step-by-step explanation:

technically it's yx with an exponent that's 12

Answer:

it is 4.2 n

Step-by-step explanation:

because you have to divide 525/125=4.2

Answer:

29

Step-by-step explanation:

santa = 6; 6 x 6 = 36

hot cocoa = 20; 26 - 6 = 20

candy cane = 3; 15 - (6 + 6) = 3

santa + candy cane + hot cocoa

6 + 3 + 20 = 29

Answer:

See attachment

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The correct statement is  BC equals to AC times CE all over CD.

We have, If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally. this is known as the triangle proportionality theorem.

Given, DE and AB are parallel

So,   [tex]\frac{BC}{CE} =\frac{AC}{CD}[/tex]

[tex]BC = \frac{AC\times CE}{CD}[/tex]

Therefore in statement form we say that BC equals to AC times CE all over CD.

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Answer:

y=10/3+48/5

Step-by-step explanation:

9514 1404 393

Answer:

Step-by-step explanation:

For some growth factor f each year, the growth factor over 20 years is given as ...

  f^20 = 1 +0.51 = 1.51

Then the growth factor in 10 years is ...

  f^10 = (f^20)^(1/2) = √1.51 ≈ 1.22882

__

a) In the 10 years between 1998 and 2008, the price of a basic haircut would rise to ...

  $18 × 1.22882 ≈ $22.12 . . . price in 2008

__

b) In the 10 years between 2003 and 2013, the price of a basic haircut would rise to ...

  $19.95 × 1.22882 ≈ $24.51 . . . price in 2013

Domain f(x) = 23, 7, -9 for range of { -7, 1, 9}

The domain is f(x) = -2x + 9, and the range of the function is {-7, 1, 9}

To find the domain of the function we have to put the value of x as -7, 1, and 9.

Put x = -7 we have

f(x) = -2x + 9

     = -2(-7) + 9

     = 14+9

     = 23

Now x = 1

f(x) = -2(1) + 9

     = -2+9

     = 7

Now x = 9

f(x) = -2(9) + 9

     = -18 + 9

     = -9

Therefore we get the domain of function as 23, 7, -9 for the range {-7, 1, 9}.

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Answer:

A) The correct inequality is: -18 < 53

B) The correct description is: Eduardo sent fewer text messages during May than April

Step-by-step explanation:

Month     Number of message

April        53

May         -18

A) The correct inequality is: -18 < 53

Reason:

We need to choose the correct inequality, negative number is less than positive number so the inequality will be -18 < 53

B) The correct description is: Eduardo sent fewer text messages during May than April

Reason:

Negative values shows that he has messaged under the allotted limit, while positive values shows the number of messages he was over the limit.

Answer:

C

Step-by-step explanation:

Answer:

9.5m

Step-by-step explanation:

646÷ 68 = 9.5 m

area ÷ height = base of triangle

Two numbers, whose sum is 5.036, are 3.407 and 1.629.

Decimals numbers are numbers containing wholes and parts separated by a decimal point ".".

In adding or subtracting decimal numbers, first is to align the decimal point of the decimal numbers. Add/subtract the digits from right to left.

If we have two numbers, one number has a 4 in the tenths place and a 7 on the thousandths place, the second number has a 1 in the ones place and and an 2 in the hundredths place, and their sum is 5.036, we can write that as:

 _ . 4 _ 7

+ 1 . _ 2 _

 5 . 0 3 6

7 and 9 when added will give a sum of 16.

 _ . 4 _ 7

+ 1 . _ 2 9

 5 . 0 3 6

Since there is 1 from 16 earlier, 1 and 2 when added will give a sum of 3.

 _ . 4 0 7

+ 1 . _ 2 9

 5 . 0 3 6

4 and 6, when added will give a sum of 10.

 _ . 4 0 7

+ 1 . 6 2 9

 5 . 0 3 6

Since there is 1 from 10, 1 added to 1 and 3 will give a sum of 5.

 3 . 4 0 7

+ 1 . 6 2 9

 5 . 0 3 6

Hence, the two numbers are 3.407 and 1.629.

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Answer:

2.861

Step-by-step explanation:

Answer:

six units rights

Step-by-step explanation:

I don't have one but I know because I've had kt

Answer:

48 inches

Step-by-step explanation:

144/3 is 48, the other two 3rds are the other piece

Answer:

16 miles

Step-by-step explanation:

Given that :

1 unit = 3 miles

High School = (2, 4)

Stadium = (7, 6)

Approximate distance between high school and stadium :

Distance between High school and Stadium

x1 = 2 ; y1= 4 ; x2 = 7 ; y2 = 6

Distance = sqrt((x2 - x1)^2 + (y2 - y1)^2)

Distance = sqrt((7 - 2)^2 + (6 - 4)^2)

Distance = sqrt((5^2 + 2^2))

Distance = sqrt(25 + 4)

Distance =5.3851648 units

1 unit = 3 miles

Approximate Distance in miles :

3 * 5.3851648 = 16.155494

Approximate distance = 16 miles

The fourth-order accurate finite difference approximation is:

u00(x) = c−2u(x − 2h) + c−1u(x − h) + c0u(x) + c1u(x + h) + c2u(x + 2h) + O(h4).

Compute the coefficients using the matlab code fdstencil.m and check that they satisfy the system you determined in part (a).

Test this finite difference formula to approximate u

00(1) for u(x) = sin(2x) with values of h from the array hvals = log space(-1, -4, 13). Make a table of the error vs. h for several values of h and compare against the predicted error from the leading term of the expression printed by  fdstencils.

You should observe the predicted accuracy for larger values of h. For smaller values, numerical cancellation in computing the linear combination of u values impacts the accuracy observed.

To know more about " undetermined coefficients"

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Answer:

^two dimentional figure with algebra^

the perimwter from triangle is:

s1 + s2 + s3

ok, enter:

s1 + s2 + s3= 369

x + (8x -5) + 2x = 369

x + 8x - 5 + 2x = 369

group according to the same variable

(x + 8x + 2x) + (-5)=369

11x + (-5)=369

11x - 5= 369

11x = 369 + 5

11x =374

x =374 : 11

x = 34

ok, subtituted:

s1= x

=34 feet

s2= 8x - 5

=8(34) - 5

=272 - 5

=267 feet

s3= 2x

=2(34)

=68 feet

Answer:

ADOM IS THE ANSWER OF THIS QUESTIONS

Answer:

Both Reflectional and Rotational

Step-by-step explanation:

There are 160 possibilities for area codes

We are required to find all the combinations for different area codes

It is given to us that the conditions for the tree digit area code are:

first digit could be any number from 4 through​ 8,

the second digit was either 4 5 6 or 7, and the third digit could be any number except 2 or 7

Using the conditions above, the digits which can be first digit of code = 4 through 8 =4,5,6,7,8

the digits which can be second digit of code= 4,5,6,7

the digits which can be third digit of code = 0,1,3,4,5,6,8,9

number of possibilities for first digit= 5

number of possibilities for second digit=4

number of possibilities for third digit= 8

Therefore, total number of possibilities of code   = number of possibilities of first digit x number of possibilities of second digit x number of possibilities of third digit = 5 x 4 x 8=160

Therefore, there are 160 possibilities for area codes

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Answer:

1/6  (16.667%)

Step-by-step explanation: