t increased by 55 ( Pls help )

Answer:  [tex]X+Y=\begin{pmatrix}9&2\\ -8&-1\end{pmatrix}[/tex]

Step-by-step explanation:

Given:  [tex]X=\begin{pmatrix}3&-5\\ -4&2\end{pmatrix},\ \ Y=\begin{pmatrix}6&7\\ -4&-3\end{pmatrix}[/tex]

To calculate: [tex]X+Y[/tex]

Consider [tex]X+Y= \begin{pmatrix}3&-5\\ -4&2\end{pmatrix}+\begin{pmatrix}6&7\\ -4&-3\end{pmatrix}[/tex]

[tex]=\begin{pmatrix}3+6&\left(-5\right)+7\\ \left(-4\right)+\left(-4\right)&2+\left(-3\right)\end{pmatrix}\\\\=\begin{pmatrix}9&2\\ -8&-1\end{pmatrix}[/tex][[tex]\mathrm{Add\:the\:corresponding\: elements\: and\: simplify}[/tex]]

Hence, [tex]X+Y=\begin{pmatrix}9&2\\ -8&-1\end{pmatrix}[/tex]

9514 1404 393

Answer:

  3π units

Step-by-step explanation:

The full circumference of a circle with radius 2 is ...

  C = 2πr

  C = 2π(2) = 4π

The arc shown is 3/4 of the full circle circumference so is ...

  3/4C = (3/4)(4π) = 3π . . . units

Ans

26

Step-by-step explanation:

:D

Answer:

The length of the side would be 9

Step-by-step explanation:

You can just multiply from the smaller figure 7*3=21, 5*3=15, so then 3*3=9

Answer:

Second Choice

Step-by-step explanation:

Using Pythagorean theorem:

17.3²=4.4²+13.1²

299.29=19.36+171.61

299.29≠190.97

so this triangle is NOT a right triangle

Answer:

13,188

Step-by-step explanation:

14 × 942

That will give you 13,188

Answer:

a) 33289

b) £131.88

Step-by-step explanation:

→ To find the meter reading add the July reading to the units used

32347 + 942 = 33289

→ Multiply the unit price by the units used

0.14 × 942 = 131.88

Answer:

297

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

Answer:

Let's analyze the example first:

We have:

3, 4, 6      target 42    answer: (3 + 4)*6

If we solve the equation, we get:

(3 + 4)*6 = 7*6 = 42

So, we need to reorder the first 3 numbers in an expression, such that the solution of the expression is the target number.

a) 2, 5, 6     Target 40

We know that 5*8 = 40

and that 2 + 6 = 8

Then the answer is:

(2 + 6)*5

b) 3, 4, 6  target 12

Here we know that 4*3 = 12

and 6 - 3 = 3

Then the answer is:

(6 - 3)*4

c) 4, 6, 10   target 1.

We know that the quotient of two equal numbers is 1.

And 4 + 6 = 10

Then the answer here is:

(4 + 6)/10

d) 3, 5, 6 target 21

We know that 3*5 = 15

And 15 + 6 = 21

Then the answer here is:

3*5 + 6

e) 2, 7, 10  target 6.

Here is a harder one.

We know that 2*3 = 6

And that 10 - 7 = 3

Then the answer ere is:

2*(10 - 7)

f) 3, 6, 15   target  3

Here we can use:

(15 - 6) = 9

And 9/3 = 3

Then the answer is:

(15 - 6)/3

Answer:

the answer of this question is -1

Answer:

Step-by-step explanation:

Internet poll: To find out more about the locals, the bookshop may hold a  equation  poll online. This could lessen bias by allowing for the collection of a bigger and more varied sample.

A mathematical equation links two statements and utilises the equals sign (=) to indicate equality. In algebra, an equation is a mathematical assertion that proves the equality of two mathematical expressions. For instance, in the equation 3x + 5 = 14, the equal sign separates the numbers by a gap. A mathematical formula may be used to determine how the two sentences on either side of a letter relate to one another. The logo and the particular piece of software are usually identical. like, for instance, 2x - 4 = 2.  

This technique might be biased in a number of ways:

Self-selection bias: Visitors to the bookshop may be more likely to be readers than those who live in the area as a whole. This can cause the average number of books read per month to be overestimated

The bookshop might try the following to create a more random sample:

Instead of depending on customers who chance to walk into the store, the bookstore may randomly choose a sample of residents from the neighborhood and conduct a poll with them.

Internet poll: To find out more about the locals, the bookshop may hold a poll online. This could lessen bias by allowing for the collection of a bigger and more varied sample.

To know more about equation visit:

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Answer:

it should be 42 hope it helps

Step-by-step explanation:

Answer:

1,130.973

Step-by-step explanation:

hope this helps

Step-by-step explanation:

d = 6 cm

r = d : 2

= 6 : 2

= 3 cm

h = 10 cm

= 3.14 × 3 × 3 × 10

= 282.6 cm³

Answer:

y= sin(x+pi/2)

Step-by-step explanation:

I graphed all of the answers with a calculator and this equation was the only one that had points above the 2 pi on the x axis.

Answer:

Theyre right the correct answer is y = sin(x + pi/2)

Step-by-step explanation:

Took the test just confirming

Answer:

This situation satisfies each of the conditions for a binomial variable, so

S

SS has a binomial distribution.

Step-by-step explanation:

True. Each trial has two outcomes (lands on side or doesn't), results of each trial are independent, there is a fixed number of trials (

20

2020), and the probability of success is the same for each trial.

(from Khan Academy)

Answer: This situation satisfies each of the conditions for a binomial variable, so S has a binomial distribution.

Step-by-step explanation:

Answer:

Just as the square root is a number that, when squared, gives the radicand, the cube root is a number that, when cubed, gives the radicand. Cubing a number is the same as taking it to the third power: 23 is 2 cubed, so the cube root of 23 is 2.

Step-by-step explanation:

there i hope you understood

The graphs of Square root function only continues in one direction forever whereas the cube root function continues in two directions forever.

"The principal square root function [tex]f(x) = \sqrt{x}[/tex] (usually just referred to as the "square root function") is a function that maps the set of non negative real numbers onto itself."

"The cube root function [tex]f(x) = \sqrt[3]{x}[/tex]  is a continuous function, with no start or end point. Its domain is all real numbers."

The similarities  in the graphs of square root function and cube root function are positive function (0,∞), x-intercept: intersects x-axis at (0, 0)

y-intercept: intersects y-axis at (0, 0).

The square root function only utilizes the positive square root. If both positive and negative square root values were used, it would not be a function. The cube root function can process  both positive and negative values.

Hence, the graphs of Square root function only continues in one direction forever whereas the cube root function continues in two directions forever.

Learn more about square root and cube root functions here

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Answer:

C. It is a function because none of the ordered pairs have the same y-value.

Step-by-step explanation:

Answer:

its c

Step-by-step explanation: It is a function because none of the ordered pairs have the same y-value.

hope it helps

Answer:

Step-by-step explanation:

Answer:

17

Step-by-step explanation:

to find the median you arrange from least to greatest

12, 12, 14, 17, 18, 20, 22,

then you find the number in the middle which in this case is 17

Answer:

669.9 ft³

Step-by-step explanation:

The formula for volume of a cone:

[tex]v=\pi r^2*\frac{h}{3} (3.14*radius*radius*\frac{height}{3} )[/tex]

[tex]r = radius,\pi =pi,h=height.[/tex]

The radius is 8; the height is 10.

From here, we can just plug the numbers into the formula.

[tex]\pi 8^2*\frac{10}{3} (3.14*8*8*\frac{10}{3} ) = 669.866666667.[/tex]

[tex]669.866666667[/tex] ≈ [tex]669.9.[/tex]

Answer:

Step-by-step explanation:

using formula

=

=3[tex]\sqrt{3}[/tex]/2*6^2

=108[tex]\sqrt{3}[/tex]/2

=54[tex]\sqrt{3}[/tex]

=93.5

Answer:

Use a text book, so that you get the concept