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Digiron [165]
3 years ago
12

Plz help I really need it

Mathematics
2 answers:
Helga [31]3 years ago
7 0

Answer:

PLZ HELP I ALSO REALLY NEED HELP ON A QUESTION

Step-by-step explanation:

Rose wants to get 90% on a 40 question quiz. How many questions must she get correct?

ser-zykov [4K]3 years ago
4 0
The answers B! If you solve the equation it will be 2x10^-12. Hope this helped.
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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
kicyunya [14]

Answer:

x \approx 55.8

Step-by-step explanation:

In order to solve this problem, one must use the trigonometric ratios. These ratios are the following,

sin(\theta)=\frac{opposite}{hypotenuse}\\\\cos(\theta)= \frac{adjacent}{hypotenuse}\\\\tan(\theta)=\frac{opposite}{adjacent}

Remember, each side is named relative to the angle, thus sides will attain different names depending on the angle which one sues to calculate with.

In this case, one is given the measure of the angle, and the measure of the side opposite to the angle. One is asked to find the measure of the side adjacent to the angle. Use the trigonometric ratio (tan) to solve for the unknown. Substitute in the given values,

tan(25)=\frac{26}{x}

Manipulate the equation such that it is solved for the parameter(x),

x=\frac{26}{tan(25)}

Solve,

x \approx 55.8

6 0
3 years ago
What is the terms of expression of 6g-h
Finger [1]
(6g) and (-h) are the 2 terms in the expression
8 0
3 years ago
Write the equation of the line in slope-intercept that has passes through the points (2,-5) and (8, 13). ​
const2013 [10]

Answer:

The equation of the straight line in Slope- intercept form

 y = 3 x - 11

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given points are   (2,-5) and (8, 13)

The Slope of the line

            m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} } = \frac{13-(-5)}{8-2} = \frac{18}{6} =3

Equation of the line having slope 'm' and given point

        y - y_{1} = m (x - x_{1} )

(x₁ , y₁)   =    ( 2, -5 )  

        y - (-5) = 3 (x - 2 )

       y + 5 = 3x - 6

The equation of the straight line in slope intercept form

    y = m x + c

       y = 3 x - 6-5

       y = 3 x - 11

<u><em>Final answer:</em></u>-

The equation of the straight line in Slope- intercept form

 y = 3 x - 11

     

8 0
3 years ago
Solving a quadratic equation when a is not equal to 1 by completing the square:
LenKa [72]
<h3>Answer:</h3>

x² -6x = -13 ⇒ x ∈ {3-2i, 2+2i}

<h3>Step-by-step explanation:</h3>

To make a=1, divide the equation by the coefficient of x², which is 8.

... x² -6x = -13 . . . . . . your blanks are filled with -6 and -13

Now, to complete the square, add the square of half the x-coefficient:

... (-6/2)² = 9.

... x² -6x +9 = -4 . . . 9 added to both sides

... (x -3)² = -4 . . . . . rewrite as a square

... x -3 = ±2i . . . . . . take the square root

... x = 3 ±2i . . . . . . . add 3

The solutions are the complex numbers x = 3 ±2i.

5 0
3 years ago
A cylinder has a radius of 1 inch and a height of 1 inch. What is the approximate volume of the cylinder? Round to the nearest h
stich3 [128]
Answer:3.14
Step-by-step explanation:
Volume of cylinder can be calculated by using the formula V= pir^2h
Where r is radius of cylinder and h is the height.
A cylinder with radius 1 inch and height of 1 inch is given.
r=1,h=1,π=3.14.
Substituting the given values :
V=3.14(1)^2(1)
Volume of cylinder rounded to nearest tenth is 3.14 cubic inches .

Read more on Brainly.com - brainly.com/question/15702861#readmore
5 0
3 years ago
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