10 x 4 ones = how many ones

Answers

Answer 1

Answer: The product will be 40 I believe?

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Find the Value of X
Find the length of the side

Answers

Answer:

the value of x is 3 . hello I want ask u who is in dp she is looking cut e lo l.

What is the minimum number of data points needed to use matrices to find an equation for a circle in the form 0=x^2+y^2+Dx+Ey+F0 = x 2 + y 2 + D x + E y + F?

Answers

The number of rows of a matrix is the number of data points of the matrix.

The number of data points is 3.

The equation is given as:

$\mathbf{0 = x^2 + y^2 + Dx + Ey + F}$

The number of unknown is the minimum number of data points.

From the equation, we have:

$\mathbf{Unknown = D,E, F}$

The number of unknown variable is 3

Hence, the number of data points is 3.

Read more about data points and matrices at:

brainly.com/question/19084291

Step-by-step explanation:

You need at least 3 points to define a circle. By looking at the equation, you can see there are three unknown coefficients: D, E, and F. Therefore, you must solve 3 equations, so you need 3 points.

How is the weight moving between X=6 and X=7.5?

Answers

Have you looked at the graph ? ?

The weight is at the rest position of the spring and moving upward
when x=6.

During the next 1.5 seconds, it moves up to the upward limit (the
'amplitude' of the oscillation) and then back down to the rest position.

When x=7.5, the weight is back at the spring's rest position, and moving
downward.

It would be moving 1.5 unp and down because the volume constant

Solve for x. 4−(2x+4)=5 A x=−52 B x=6 C x=32 D x=−10

Answers

Answer:

x = -5/2

Step-by-step explanation:

4−(2x+4)=5

Distribute the minus sign

4 - 2x -4 = 5

-2x =5

Divide by -2

-2x/-2 = 5/-2

x = -5/2

Answer:

x=-5/2

Step-by-step:

First we multiply -(2x+4) = -2x -4

Now the equation is 4-2x-4 = 5

Combine like terms.

4-4=0

-2x = 5

Divide both sides by -2

Therefore your answer is -5/2

Hope this helps!

What values complete each statement?Enter your answers in the boxes.

(7√)^2 = _____
in simplest form.

By the Power of a Power rule, (712)2=722 .

So, 712 must equal______
in radical form.

Answers

For this case we have:

By properties of the radicals $\sqrt {a} = a ^{\frac {1} {2}}$

So:

$(\sqrt {7}) ^ 2 = (7 ^ {\frac {1} {2}}) ^ 2$ .

Now, for power properties we have:

$(b ^ {\frac {c} {d}}) ^ e = b ^ {\frac {c * e} {d}}$

Thus, $(7 ^ {\frac {1} {2}}) ^ 2 = 7 ^ {\frac {2} {2}} = 7$

So:

$7 ^ {\frac {1} {2}} = \sqrt {7}$ in its radical form

Answer:

$(\sqrt {7}) ^ 2 = (7 ^ {\frac {1} {2}}) ^ 2= 7 ^ {\frac {2} {2}} = 7$ in its simplest form.

$7 ^ {\frac {1} {2}} = \sqrt {7}$ in its radical form

Answer:

in its radical form

explanation:

Suppose you got 8 mangoes and 3 apples for $18 and 3 mangoes and 5 apples for $14.50.How many does each mango and each apple cost?

Answers

m = mangoes
a = apples

8m + 3a = 18 Equation 1
3m + 5a = 14.50 Equation 2
Lets multiply equation 1 by 5 and equation 2 by 3
The new equations are:
45m + 15a = 90
9m + 15a = 43.5

Subtract them and get:
36m = 46.5
m = 1.30 Divide both sides by 36

Substitute m into equation 2 (either is fine, but choose the easier one)
3(1.30) + 5a = 14.5
3.9 + 5a = 14.6 Expand the bracket
5a = 10.6 Minus both sides by 3.9
a = 2.12 Divide both sides by 5

Mangoes cost $1.30
Apples cost $2.12 (more like $2.10)

I feel that my working out is wrong, but that is how you work out the answer.

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A test is worth 50 points. Multiple- choice questions are worth 1 point, and short answer questions are worth 3 points. if the test has 20 questions, how many multiple-choice questions are there?A. m + 3s =20 B.m + 3s + 20 =50 C. m + 3s = 50 D. m + s + 50

Data were collected on the number of days per week that members visit a certain fitness center. The values varied from 0 to 7, and a distribution of relative frequencies for the values was created. Let the random variable X represent the number of days per week that a member visits. The mean of X is 3.12. Which of the following statements is the best interpretation of the mean?