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Answer:

Step-by-step explanation:

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here

B

Answer:

FIND X AND PLUG IT IN

You basically put x+12+2x+3+90=180 and solve for x. Then when you find x plug it in x+12 to find a and 2x+3 to find c.

Answer:

angle A is 37°

angle C is 53°

Step-by-step explanation:

The angles x+12 and 2x+3 add to 90°,  because there is already a right angle in the triangle and the total angles in a triangle add to 180°

x+12+2x+3=90

3x+15=90

3x=75

x=25

Knowing x=25°, we can substitute it back into angle A and C.

A: 25+12=37°

C: 2(25)+3=50+3=53°

Answer:

68/99

Step-by-step explanation:

Answer:

X = 3.01

Step-by-step explanation:

To solve for x, you first need to get x by itself. So you would minus 19.95 from both sides. Which would then be

5x = 15.05

Again x is not by itself so you would divide both sides by 5, the eqation would then be

x = 3.01

Which is the answer. If you want you can double check your work by putting the answer back in the eqaution.

5(3.01) + 19.95 = 35

If the statement is true that means you have the right answer

15.05 + 19.95 = 35

35 = 35

We are correct! Hope this helps with your question and how to do others like it.

Answer:

20 cm

Step-by-step explanation:

So from the problem we get that the two sides of the rctangle are 16 cm 12 cm which are base perpendicular of the right angle triangle. H = 20 cm. So the diagonal of the rectangle = 20 cm.

Answer:

20 cm

Step-by-step explanation:

Here's your solution

=> length of rectangle = 16 cm

=> width of rectangle = 12 cm

=> Diagonal of rectangle = √(l^2 + w^2 )

=> Diagonal = √(16^2 + 12^2)

=> Diagonal = √(256 + 144)

=>. Diagonal = √400

=> Diagonal = 20 cm

hope it helps

Answer:

Solution (4,3)

Step-by-step explanation:

2x-7y= -13

(8x-7y=11)x-1

2x-7y= -13

-8x +7y= -11

[tex]\frac{-bx}{-6} =\frac{-24}{-6}[/tex]

x= 4

__________

2x-7y= -13

2(4)-7y=-13

8-7y= -13

subtract 8 from both sides

[tex]\frac{-7y}{-7} =\frac{-21}{-7}[/tex]

divide by -7

y= 3

hope it helps..

have a great day!!

Answer:

[tex]no \: solution[/tex]

Step-by-step explanation:

1) Expand

[tex]6x - 36 - 5x + 35 = x + 6[/tex]

2) Simplify 6x - 36 - 5x + 35 to x - 1.

[tex]x - 1 = x + 6[/tex]

3) Cancle x on both sides.

[tex] - 1 = 6[/tex]

4) Since −1 = 6 is false, there is no solution.

No Solution

Hence, this equation have no solution.

help i’m literally taking the test rn on here looking for the answer

Answer:

1E-6 m^3 or 0.000001 m^3

Step-by-step explanation:

1cm^3 = 1cm*1cm*1cm

1m^3 = 100cm*100cm*100cm = 1000000 cm^3

1/1000000 = 1E-6 m^3

Leave a like and mark brainliest if this helped

Leave a like and mark brainliest if this helped

Answer:

yea

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

An algebraic expression represents the number of degrees of rotation about the polygon’s center that would carry the polygon onto itself is 360 / a.

A polygon is a closed figure made up of three or more line segments connected end to end.

A polygon in the plane has rotational symmetry when the figure is mapped onto itself by rotating between 0 and 360° about its center.

So, we need to find the number of symmetrical lines a regular polygon.

A regular polygon with a sides has n lines of symmetry and order of symmetry.

Then, let a be the number of symmetrical line lines

An algebraic expression represents the number of degrees of rotation about the polygon’s center that would carry the polygon onto itself is 360 / a.

Learn more about polygon;

https://brainly.com/question/10441863

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Answer:

Area = 88 units squared

Perimeter = 40 units

Step-by-step explanation:

The formula for the Area of the parallelogram is base (11) times height (8)

The perimeter is just adding all the outsides together (11 + 11 + 9 + 9)

Answer: 345.977 m^3

Step-by-step explanation:

Answer:

The answer is b

Step-by-step explanation:

X= 0 makes the exponential function greater than the quadratic function. Therefore, the correct option is option B.

The mathematical symbol for the exponent is [tex]e^{X}[/tex]. The word, unless specifically stated differently, generally relates to the positive-valued functional of something like a real variable, though it can be extended towards the complex numbers or adapted to other mathematical like matrices or Lie algebras.

The idea of exponentiation is where the exponential function got its start, although recent definitions allow for a rigorous extension to all real arguments, especially irrational values. X= 0 makes the exponential function greater than the quadratic function.

Therefore, the correct option is option B.

To know more about exponential function, here:

https://brainly.com/question/17246770

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Answer:

(-1,-2)

Step-by-step explanation:

(x,y)

Left to right = Change in x value

Left = Negative x Movement

Right = Positive x Movement

Up and Down = Change in y value

Up = Positive y Movement

Down = Negative y Movement

if x = -1, y = 5

5 - 7 = -2.

Answer:

Step-by-step explanation:

The quadratic formula would be the following...

[tex]x = \frac{-b (+-)\sqrt{b^{2} - 4ac } }{2a}[/tex]

where the original quadratic equation would be represented as follows

[tex]ax^{2} + bx +c = 0[/tex]

Using this information and the information provided in the image we can plug in the quadratic equation values in the image to form the quadratic formula.

[tex]\frac{-(-20)±\sqrt{(-20)^{2} - 4(16)(-6) } }{2(16)}[/tex]

That would be the correct order for the values.

Answer:

[tex]x = \frac{(a+1)f^3}{2e}[/tex]

Step-by-step explanation:

[tex]\frac{a + 1}{2x} = \frac{e}{f^3}\\~\\\\a+1 = \frac{2ex}{f^3}\\~\\\frac{a + 1}{2e} = \frac{x}{f^3}\\~\\x = \frac{(a+1)f^3}{2e}[/tex]

Answer: 11

Students have both a brother and a sister

Step-by-step explanation:

I don't think probability should be used for this question because the answer is quite clear

So in a class of 25 students

5 students don't have a sibling

So 25-5=20

Total number of siblings=14+17=31 siblings in total

So 20 people have 31 siblings

31-20=11

So the answer should be 11

In a class of 25 students, 14 have a brother and 17 have a sister. There are 5 students who do not have any siblings. The probability that a student who has a brother also has a sister is 11/25.

Suppose that there are finite elementary events in the sample space of the considered experiment, and all are equally likely.

Then, suppose we want to find the probability of an event E.

Then, its probability is given as

[tex]P(E) = \dfrac{\text{Number of favorable cases}}{\text{Number of total cases}} = \dfrac{n(E)}{n(S)}[/tex]

where favorable cases are those elementary events that belong to E, and total cases are the size of the sample space.

In a class of 25 students, 14 have a brother and 17 have a sister. There are 5 students who do not have any siblings.

So in a class of 25 students

5 students don't have a sibling

then, 25-5=20

Total number of siblings = 14+17

= 31 siblings in total

So, 20 people have 31 siblings

= 31 - 20

= 11

So, the probability that a student who has a brother also has a sister

= 11/ 25.

Learn more about probability here:

brainly.com/question/1210781

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Answer:

Use five possible postulates:

SSS (all three sides are marked and congruent)

SAS (two sides and one angle marked and congruent)

ASA (two angles and one side marked and congruent)

AAS (same as ASA but in a different order)

HL (right triangle hypotenuse)

Answer:

9,12,15 i think

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

The angle equals 90 degrees so (8*12-6) would equal 90

hopefully i helped

Answer:

11/60

Step-by-step explanation:

hope this helped:)

Answer:

No solution

Step-by-step explanation:

When we take the 5/2 x to the other side, 4x and 4x cancels out. We get 7=0 which is incorrect. Therefore, x has no solution.

By the way, can you follow me on Brainly?

Thanks!

Answer:

x= [tex]\frac{7 (+-) \sqrt{113} }{8}[/tex]

Step-by-step explanation:

Answer:

[tex]\displaystyle 47°[/tex]

Step-by-step explanation:

[tex]\displaystyle csc^{-1}\:1\frac{14}{39} = x; 47,379009047...° \\ \\ \boxed{47° \approx x}[/tex]

OR

[tex]\displaystyle sin^{-1}\:\frac{39}{53} = x; 47,379009047...° \\ \\ \boxed{47° \approx x}[/tex]

I am joyous to assist you at any time.