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3 years ago

WILL MARK BRAINLIEST + 10 POINTS!!!! #2

Mathematics

1 answer:

Alenkasestr [34]3 years ago

7 0

Answer:

○ $-\frac{\sqrt{6} + \sqrt{2}}{4} = \frac{-\sqrt{6} - \sqrt{2}}{4}$

Step-by-step explanation:

Input this trigonometric ratio into a scientific calculator, and you will end up with the above answer.

* I also included its high term, so you know which answer to choose from.

I am joyous to assist you anytime.

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What's the value of <img src="https://tex.z-dn.net/?f=%20%3D%20%20%3E%2025%20%5Ctimes%20386%20%2B%203219%20%5Cdiv%202" id="Te

-BARSIC- [3]

Answer:

11259.5

Step-by-step explanation:

25 × 386 + 3219 ÷ 2 =
9650 + 1609.5 =
11259.5

7 0

2 years ago

Read 2 more answers

Justify each step. 3•(10•12)=3•(12•10) =(3•12)•10 =36•10 =360

ziro4ka [17]

Answer:

3•(10•12)=3•(12•10) = 360 = True

Step-by-step explanation:

left-hand side Simplify the following:

3×10×12

10×12 = 120:

3×120

3×120 = 360:

Answer: 360

______________________

Right-hand side:

Simplify the following:

3×12×10

Hint: | Multiply 12 and 10 together.

12×10 = 120:

3×120

Hint: | Multiply 3 and 120 together.

3×120 = 360:

Answer: 360

5 0

3 years ago

To describe a specific arith-

Bezzdna [24]

Answer:

$f(x) = 7x + 30$

Step-by-step explanation:

We need at least two points to write the equation of a straight line.

The recursive formula that Elijah wrote is:

$f(0) = 30$

$f(n + 1) = f(n) + 7$

When we substitute n=0, we get:

$f(0 + 1) = f(0) + 7$

$f(1) = 30 + 7$

$f(1) = 37$

The points (0,30) and (1,37) lies on this line.

The equation of this line is of the form:

$f(x) = mx + b$

where b =30 is the y-intercept and m=7 is the slope.

We plug in these values to get:

$f(x) = 7x + 30$

Note that the slope of the line is equal to the common difference of the Arithmetic Sequence.

You could also use the two points to find the slope:

$m = \frac{37 - 30}{1 - 0} = 7$

4 0

2 years ago

A company's stock is valued at $25.15 per share. The stock is losing value at rate of $1.75 per day. What is the stocks value af

Marina CMI [18]

Equation would be: 25.15 - 1.75x
Where, x = number of days.

Substitute for x = 3,
= 25.15 - 1.75(3)
= 25.15 - 5.25
= 19.90

In short, Your Answer would be $19.90

Hope this helps!

3 0

3 years ago

Read 2 more answers

Solve for x. x+3/4=5

GaryK [48]

Answer

$\begin{gathered} Given\text{ }x+\frac{3}{4}=5 \\ x=5-\frac{3}{4} \end{gathered}$ $x=4\frac{1}{4}$

Therefore, x = 4 1/4

8 0

10 months ago