MATHEMATICS HIGH SCHOOL

1 - 4 + 2x + 4= 13

What does 'x' equal?

Please give reasonable answer

Answers

Answer 1
Answer: x = 6 
CMON MAN THIS IS 5th GRADE MATH!!

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What is the y intercept of the line -9 + 3y= 18
A= 1/2 bh solve for b
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Simplify the following expression (6x2 + 8x - 3) - (3x2 - 6)

Answers

Answer:

3x^2 +8x +3

Step-by-step explanation:

(6x^2 + 8x - 3) - (3x^2 - 6)

Distribute the minus sign

(6x^2 + 8x - 3) - 3x^2 + 6

Combine like terms

3x^2 +8x +3

A triangle formed by the sides 3.8cm ,3.7 cm, and 5cm is​

Answers

By the Pythagoras theorem we know that the if the square of the longest side of the triangle is equal to the sum of the square of other two sides.

The triangle formed by the sides 3.8 cm ,3.7 cm, and 5 cm is​ acute angle triangle.

How to find the type of triangle?

By the Pythagoras theorem we know that the if the square of the longest side of the triangle is equal to the sum of the square of other two sides. Thus,

  • For a triangle to be right angle triangle,

           c^2=a^2+b^2

       By this law it is observed that,

  • For a triangle to be acute angle triangle,

         c^2<(a^2+b^2)

  • For a triangle to be obtuse angle triangle,        

        c^2>(a^2+b^2)

The sides of the given triangle are  3.8 cm ,3.7 cm, and 5 cm.

Here the longest side is 5 cm. Thus check the type of triangle using above formula. Longest side,

c^2=5^2\nc^2=25

Other two sides,

a^2+b^2=3.8^2+3.7^2\na^2+b^2=14.44+13.69\na^2+b^2=28.13

Therefore,

25<28.13\n

Hence the triangle formed by the sides 3.8 cm ,3.7 cm, and 5 cm is​ acute angle triangle.

Learn more about the type of triangle here;

brainly.com/question/2644832
It is a scalene triangle because none of the sides are the same!

Describe how you would find the of 24 36 and 13

Answers

add them all together and there is your sum

A cylindrical tank is half full of oil. The cylinder has a base radius of 100cm. The height of the cylinder is 250cm. 1litre=1000cm How many litres of oil are in the tank

Answers

≈ 3927 litres

the volume (V) of a cylinder is calculated using the formula

V = πr²h ( r is the radius of base and h is the height )

V= π × 100² × 250 = 7853981.634 cm³

(1)/(2) V = 3926990.817 = (3926990.817)/(1000) ≈ 3927 litres

How much would $200 invested at 5% interest compounded monthly be worth after 9 years? Round your answer to the nearest cent. 


A. $207.63
B. $310.27
C. $363.82
D. $313.37

Answers

A = P(1 + (r)/(n))^(nt)
A = 200(1 + (0.05)/(12))^((12)(9))
A = 200(1 + (1)/(240))^(108)
A = 200(1(1)/(240))^(108)
A = 200(1.56684664942)
A = 313.369329884
A = \$313.37

Explain how you would go about graphing this equation? What would be your first step and how would you go from there? Y=4x+6 *

Answers

Step-by-step explanation:

First I would look at the y intercept. In a linear equation, y = mx + b, b is the y-intercept and m is the slope. This means that (0,6) is a point on the line since at a y-intercept, the x value is 0. First you should plot this point.

Next, the slope is 4, meaning that for every 1 unit to the right, the line rises 4 units. You can count 1 to the right and 4 up from the y-intercept, which gives you (1,10), a second point on the line. After this, you can connect the two points and there you go, you have a graph!
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