Make 25 with 1, 9, 9 and 6 in order using any symbol

Answers

Answer 1

Answer: Simply add the numbers. 1+9+9+6=25.

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Sum of 7 7/8 + 2 11/12

Answers

Solutions

1) Add the whole numbers first ( 7 and 2 )

9+7/8+11/12

2) Find the Least Common Denominator (LCD) of

7 / 8,11 / 12

Start by Listing Multiples

List out all multiples of each denominator, and find the first common one.

8 : 8,16,24

12 : 12,24

Therefore, the LCD is 24

Method 2: By Prime Factors

List all prime factors of each denominator, and find the union of these primes.

8 : 2,2,2

12 : 2,2,3

Therefore, the LCD is 2×2×2×3=24

3) Make the denominators the same as the LCD

9+7×3 / 8×3+11×2 / 12×2

4) Simplify. Denominators are now the same

9+21 / 24+22 / 24

5) Join the denominators

9+21+22 / 24
6) Simplify

9+43 / 24

7) Convert 43 / 24 to mixed fraction

9+1 19 / 24

8) Simplify

10 19 / 24

Please help. thank you so much

Answers

Answer:

A, B, D, E

Step-by-step explanation:

Converting -7/2 is the only main thing you need to keep in mind. -7/2 = -3 1/2, which (considering it's a negative) is the only one that is less than -3

hope this help, brainliest would be epic

Answer:

A B D and E

Step-by-step explanation:

Remember the larger negative numbers are technically smaller

Triangle ABC below is reflected across the y-axis and then translated 1 unit right and 2 units down.a) Write the coordinates of the vertices of the image after reflection.
b) Write a rule for the translation. Use arrow notation.
c) Write the coordinates of the vertices of the new image after translation.

Answers

The correct answers are: A) A'(-1, 3); B'(-4, 5); C'(-3, 1); B) <1, -2>, C) A''(0, 1); B''(-3, 3); C''(-2, -1).

Explanation:
When you reflect an image across the y-axis, it negates the x-coordinate. This means all of the x-coordinates will become the opposite sign after the reflection.

Since the translation is 1 unit right, that is adding 1 to the x-coordinate; since it is 2 units down, that is subtracting 2 from the y-coordinate. Once we add 1 to each x-coordinate and subtract 2 from each y-coordinate, we end up with the vertices listed above.

The coordinates of the vertices of the new image after translation and reflection :

A''(0, 1); B''(-3, 3); C''(-2, -1).

Further explanation

A reflection is an example of a transformation

Reflection is the process of mirroring each point on the geometry of a certain line.

The original figure is called the pre-image and the final figure is called the image

The image will be congruent with the pre image and the distance from the image to the mirror axis is the same as the distance from the pre image to the mirror axis

• The equation of reflection across the y-axis

x '= -x

y '= y

can be written

$\large {\boxed {\bold {r_ {y-axis} A (x, y) \rightarrow A '(-x, y)}}$

While the transformation itself is the displacement of the object given a distance and direction (for example up or down)

So each point is moved in the same distance and direction

Can be formulated :

A(x,y)⇒ T(a,b) ⇒ A'(x+a,y+b)(T=translated)

Triangle ABC below is reflected across the y-axis and then translated 1 unit right and 2 units down.

So the stages

1. reflected across the y-axis first and then

2. translated 1 unit right and 2 units down.(T(a,b) ⇒a=1,b=-2)

reflected across the y-axis

Coordinate A(1,3),B(4,5),C(3,1)

reflected becomes :

A(1,3)⇒A'(-1,3)

B(4,5)⇒B'(-4,5)

C(3,1)⇒C'(-3,1)

translated (T(a,b) ⇒a=1,b=-2)

A'(-1,3) ⇒A''(-1+1,3-2)⇒A"(0,1)

B'(-4,5) ⇒B''(-4+1,5-2)⇒A"(-3,3)

C'(-3,1) ⇒ C"(-3+1,1-2)⇒C"(-2,-1)

Learn more

Transformation from function

brainly.com/question/10904859

the rule for the reflection

brainly.com/question/4210177

the transformation rule

brainly.com/question/12537916

Keywords: reflection.,translation, the coordinates

1/4 as a decimal
3/10 as a percent

Answers

1/4= .25! I did numerator divided by denominator and that equals .25

3/10 as percent= 30%! 3 divided by 10 equals .3! Since 3 is in the tenth place I do 30%!

1/4 as a decimal is .25 3/10 as a percent is 30%

The sum of three consecutive even numbers is 78. what is the first number

Answers

This is a common algebra problem. Let us start by establishing the numbers. By the way, here is the theory behind the math.

If we call the first number $n$ , then the next consecutive even number is 2 away, so we will call it $n+2$ , and so forth, the 3rd number $n+4$

Lets form an equation! We know that given the sum of the 3 consecutive even numbers is 78, the equation is:

$n+(n+2)+(n+4)=78$

Combine like terms, and we get:

$3n+6=78$

Subtract 6 from both sides.

$3n=72$

Divide both sides by 3, and we find our number to be:

$n=24$

Hope this helped! Good luck.

$x+(x+2)+(x+4)=78\n3x+6=78\n3x=78-6\n3x=72\n \nx= (72)/(3) \n \nx=24$

The first number is 24

Product of (x+y)(2x+4y)

Answers

When you multiply the equation out and you simplify like terms you get.

2x^2 + 6xy + 4y^2

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