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Novay_Z [31]
3 years ago
12

F(-2) = 4x + 10 What is the value

Mathematics
2 answers:
Fiesta28 [93]3 years ago
8 0

Answer:

The Answer would be -3

Step-by-step explanation:

(-2)=4x+10

-4x=10+2

-4x=12

-3

dmitriy555 [2]3 years ago
7 0

Answer:

f = -2x -5, which is false

Step-by-step explanation:

combine like terms, f = -2x -5

-2f = 4x +10

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This quiz is due in a hour I'll up the points to 25
Irina-Kira [14]

Answer:

The sin A expressed in ratio form is \frac{\sqrt{6} }{4}

Step-by-step explanation:

From the given right angled triangle diagram, sin A is calculated as follows;

sin \ A = \frac{Opp}{hypo} \\\\sin \ A = \frac{2\sqrt{6} }{8} \\\\sin \ A = \frac{\sqrt{6} }{4}

Therefore, the sin A expressed in ratio form is \frac{\sqrt{6} }{4}

3 0
3 years ago
for any numbers x,y [x=0 in(4) and y = 0 in (5)] and any positive integers m,n, the following holds:x^m · x^n=x^m+nProve number
AlladinOne [14]

Proved

Explanation:

To prove x^m · x^n=x^m+n, let's assign numbers to x, m and n

let x = 2

m = 3, n = 4

x^m · x^n = 2^3 . 2^4

x^m+n = 2^(3+4)

Solve each of the above seperately and comparew the answer:

\begin{gathered} x^m\times x^n=2^3\times2^4 \\ =\text{ (2}\times2\times2)\times(2\times2\times2\times2) \\ =\text{ 8}\times16 \\ =\text{ }128 \end{gathered}\begin{gathered} x^{m+n}=2^{3+4} \\ =2^7\text{ = 2}\times2\times2\times2\times2\times2\times2 \\ =\text{ 128} \end{gathered}\begin{gathered} sincex^m\times x^n\text{ = 128} \\ \text{and x}^{m+n}\text{ = 128} \\ \text{Therefore, }x^m\times x^n\text{ =  x}^{m+n} \end{gathered}

This expression x^m · x^n=x^m+n has been proved to be equal

4 0
1 year ago
Help? I don’t understand this math
Wittaler [7]

Answer:

<h2><em><u>Option</u></em><em><u> </u></em><em><u>J</u></em><em><u>:</u></em></h2>

<em><u>{x}^{3}  {y}^{3}</u></em>

Step-by-step explanation:

<em><u>Given</u></em><em><u>,</u></em>

Width of the rectangular prism

= x

Length of the rectangular prism

=  {x}^{2} y

Height of the rectangular prism

=  {y}^{2}

<em><u>Therefore</u></em><em><u>, </u></em>

Volume of the rectangular prism

= <em>Width</em><em> </em><em>×</em><em> </em><em>Length</em><em> </em><em>×</em><em> </em><em>Height</em><em> </em>

= x \times  {x}^{2} y \times  {y}^{2}

=  {x}^{3}  {y}^{3}

<em><u>Hence</u></em><em><u>, </u></em>

<em><u>The</u></em><em><u> </u></em><em><u>required</u></em><em><u> </u></em><em><u>volume</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>rectangular</u></em><em><u> </u></em><em><u>prism</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em>

<em><u>Option</u></em><em><u> </u></em><em><u>J</u></em><em><u>:</u></em>

{x}^{3}  {y}^{3}

4 0
3 years ago
Read 2 more answers
Help me Plz I’m stuck
spin [16.1K]

Answer:

Use all the given information:

<em>Price of a slice in $ -</em><em>  x</em>

<em>Number of slices-  </em><em>3</em>

<em>Total cost of  slices-</em><em>  3x</em>

<em />

<em>Price of chopped cheese in $- </em><em> 2+x</em>

<em>Number of chopped cheeses-</em><em>  4</em>

<em>Total cost of chopped cheeses-</em><em>  8+4x</em>

<em />

<em>Total cost-  </em><em>7x+8</em>

<em />

Step-by-step explanation:

We are told that the price of a slice is x and that Dashaun bought 3 slices.

So to find the total amount paid for slices, multiply the price by the number of slices:

3*x=3x

We are told that the price of chopped cheese is $2 more than a slice. Use y as the cost for chopped cheese:

y=2+x

Dashaun bought 4 chopped cheeses.

To find the total cost of chopped cheeses bought, multiply the cost per cheese by the amount of cheese purchased:

4y

Insert the value of y:

4(2+x)

Use the distributive property:

8+4x

This is the total cost for the chopped cheeses.

To find the total of lunch, add the prices for the slices and cheeses together:

T=3x+8+4x\\\\T=7x+8

The total cost for lunch is <em>7x+8</em>

:Done

4 0
3 years ago
Which figure could be the result of dilation the trapezoid with a scale factor between 0 and 1​
inessss [21]

Answer:

1

Step-by-step explanation:

4 0
3 years ago
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