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butalik [34]
3 years ago
13

Please help me!!!! please

Mathematics
1 answer:
ANEK [815]3 years ago
7 0
It’s C. It’s pretty easy, draw a graph number it to 10, than put a dot for every amount of numbers you see for a certain number. Hope this help. PASS THIS CLASS BRO !
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What is the area of the rectangle?
allsm [11]

Answer:

6300

Step-by-step explanation:

79.372539331952

6,300.00000000195

26.45751311065 × 3

79.37253933195

10 × 70

700

√(700)

26.45751311065

7 0
3 years ago
Which two values of X are roots of the polynomial below 4x^2-6x+1
PtichkaEL [24]

4x^2-6x+1=0\\\\a=4,\ b=-6,\ c=1\\\\\Delta=b^2-4ac\\\\\Delta=(-6)^2-4(4)(1)=36-16=20\\\\\sqrt\Delta=\sqrt{20}=\sqrt{4\cdot5}=\sqrt4\cdot\sqrt5=2\sqrt5\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a},\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{-(-6)-2\sqrt5}{2\cdot4}=\dfrac{3-\sqrt5}{4}\\\\x_2=\dfrac{-(-6)+2\sqrt5}{2\cdot4}=\dfrac{3+\sqrt5}{4}

5 0
4 years ago
(5-√x)² = y-20√2<br> Solve for x and y.
gizmo_the_mogwai [7]

Answer:

33

Step-by-step explanation:

(

5

−

√

x

)

2

=

5

2

−

(

2

×

5

×

√

x

)

+

x

=

25

−

10

√

x

+

x

=

(

x

+

25

)

−

10

√

x

In order to eliminate the irrational

−

20

√

2

term with

x

and

y

being integers, we must have:

−

10

√

x

=

−

20

√

2

Divide both sides by

−

10

to get:

√

x

=

2

√

2

So

x

=

(

2

√

2

)

2

=

8

y

=

x

+

25

=

8

+

25

=

33

4 0
2 years ago
How many dollars are in 65536
mezya [45]
65 thousand 5 hundred and thirty six dollars
4 0
3 years ago
For the triangle ABC, determine if the following statement is True or False.
velikii [3]

Answer:

sin A = cos B is TRUE

csc A = sec A is FALSE

tan A = cot B is TRUE

Step-by-step explanation:

<em>Let's review the basics of trigonometry and what each ratio means. We will base our discussion with respect to the triangle shown in the picture attached.</em>

For any right triangle, <em>the side opposite of the right angle is called the </em><em>"hypotenuse"</em>. The other two sides are legs of the triangle. Those are also called "opposite" side and "adjacent". Which one is which depends on the angle (besides the right angle) we are looking at.

<u><em>With respect to the angle θ, the "opposite" side would be "b" and the adjacent side would be "a" and of course, c is the hypotenuse. If we were to look from the other angle, then "opposite" would have been "a" and adjacent would have been "b".</em></u>

<u>Trigonometric Ratios:</u>

6 trigonometric ratios (sin, cos, tan, csc, sec, & cot) are ratios of one side to another. Below are the relationships give:

  • Sin θ is the ratio of opposite to hypotenuse
  • Cos θ is the ratio of adjacent to hypotenuse
  • Tan θ is the ratio of opposite to adjacent
  • Csc θ is the ratio of hypotenuse to opposite
  • Sec θ is the ratio of hypotenuse to adjacent
  • Cot θ is the ratio of adjacent to opposite

<u>Let's solve our problem now:</u>

For our image given in this problem, we will figure out the ratios and see if the 3 equations hold true or not.

<u>Sin A = Cos B</u>

Sin A = \frac{a}{c}

Cos B = \frac{a}{c}

These two are equal. So this statement is TRUE.

<u>Csc A = Sec A</u>

Csc A = \frac{c}{a}

Sec B = \frac{c}{b}

These two are NOT equal. So this statement is FALSE.

<u>Tan A = Cot B</u>

Tan A = \frac{a}{b}

Cot B = \frac{a}{b}

These two are equal. So this statement is TRUE.


6 0
4 years ago
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