WORTH 20 POINTS + BRAINLIST
I know this but I can’t remeber some one please help me out!

Answer:

84

Step-by-step explanation:

Answer:

your answer is 9.7 feet

Step-by-step explanation:

you apply Pythagorean theorem [tex]a^{2} +b^{2} =c^{2}[/tex] since you are looking for height you can subsitute x for a or b and since 12 is the largest number this will be your c which is your hypotneuse and 7 will be subsituted as a or b depending on what letter you used as your x value [tex]7^{2} +b^{2} =`12^{2}[/tex] is equal too 49 +b^2 =144 you then subtract 49 on both sides to isolate your x (b) and this gets you 95 and then you find the square root of 95 which is 9.7

Answer:

c÷4=35

Step-by-step explanation:

cost as a whole divided by 4 friends.

Answer:

c/4=$35

Step-by-step explanation:

35(4)=c, so c/4=35

Answer:

28 times

Step-by-step explanation:

Just multiply 0.7 by 40

Answer:

30 ounces of solution A

20 ounces of solution B

Step-by-step explanation:

x ounces of solution A

y ounces of solution B

x + y = 50

0.7x  ounces  of salt in the solution A

0.95y ounces  of salt in the solution B

0.8*50 = 40 ounces of salt  in 50 ounces of 80% solution

0.7x + 0.95y = 40

x + y = 50

0.7x + 0.95y = 40

x= 50 - y

0.7(50 - y) + 0.95y = 40

35 - 0.7y + 0.95y = 40

0.25y = 5

y = 20 ounces of solution B

x = 50 - y = 50 - 20 = 30 ounces of solution A

Answer:

1/12

Step-by-step explanation:

1/6 times 1/2 is 1/12

1/6 because if the first number is 6 then it is 1/6 since there are only 6 of them

1/2 because there are 3 odd numbers and 3/6 is simplify to 1/2

Answer:

1 1/2

Step-by-step explanation:

1/6*1/2

Answer:

what?

Step-by-step explanation:

Answer:

a) a quadrilateral that is not a parallelogram because adding the same will make it a diamond like shape which 2 sides are parallel

Step-by-step explanation:

PLZ MARK ME BRAINLIEST!

Answer:

B. 85*

Step-by-step explanation:

1. Understand that a triangle always has the additive degrees of 180.

2. Use x+55+40=180, to isolate x, subtract 55 and 40 from 180.

3. You get x = 85.

Answer:

B. 85 degrees

Step-by-step explanation:

According to the Triangle Sum Theorem, all the angles inside a triangle equal 180 degrees. The work is below:

180-40-55=85. The angle missing is 85 degrees.

Brainliest plz!!!

Answer:

C

Step-by-step explanation:

Xepa i took the test got it right

Answer:

translation...........

Answer:

Dilation

Step-by-step explanation:

A dilation is a type of transformation that changes the size of the image. The scale factor measures how much larger or smaller the image is.

In this example, ΔABC is dilated as seen in the picture because it the picture itself got bigger.

The image, ΔADE is now a dilated version of the pre-image ΔABC

There is an attachment provided to support this answer.

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Answer:

dont lie to people

Step-by-step explanation:

Answer:

square root of area of Q : square root of area of R

Step-by-step explanation:

Area of rectangle= L×B

Area of redrawn rectangle= l×b

ratio of area of two rectangles= (L×B)/(l×b)

ratio of sides of two rectangles=√((L×B)/(l×b))

Answer:

volume= length ×width×height

2×2.5×4.5

22.5

The volume of a right rectangular prism with sides 2 m , 2.5 m and 4.5 m will be 22.5 m³.

What is mean by Rectangle?

A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.

Given that;

All the sides of a rectangle are;

2 m , 2.5 m and 4.5 m

Now,

Since, we know that;

Volume of rectangle = Length x Width x Height

Substitute all the values we get;

Volume of right rectangular prism = 2 x 2.5 x 4.5

                                                     = 22.5 m³

Thus, The volume of a right rectangular prism with sides 2 m , 2.5 m and 4.5 m will be 22.5 m³.

Learn more about the rectangle visit:

https://brainly.com/question/2607596

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Answer:

y=7* (0.5)^x

Step-by-step explanation:

We are given that when x increases from 'a' to 'a+2' then y must increase by a factor of 1/4=0.25.

i.e. when x=a and x'=a+2.

then y/y=0.25 where y' is the function after putting x' to the old function.

Answer:

Step-by-step explanation:

-4a-4ab-3

Answer:

-4ab+-4a+-3

Step-by-step explanation:

(5ab-4a-8)-(9ab-5)

distribute the negative sign

=5ab-4a-8+-1(9ab)+(-1)(-5)

=5ab+-4a+-8+-9ab+5

combine like terms

=(5ab+-9ab)+(-4a)+(-8+5)

=-4ab+-4a+-3

Answer: 4:5

Step-by-step explanation: First find a number 12 and 15 can both be divided by. I found 3, and did the following:

12/3=4

15/3=5

The ratio of boys to girls in Luka's math class is 4:5

Answer:

4:5

Step-by-step explanation:

12:15 simplifies to 4:5

Answer:

4a ) Difference ⇒ $ 63.24,

4b ) 4 children

Step-by-step explanation:

4a ) If the number of children is represented by the value of x, let us substitute a family of 2 children as value of x into this equation we are given;

y = 21.08 * ( 2 ) + 85.15 ⇒ Multiply 21.08 by 2,

y = 42.16 + 85.15 ⇒ Combine like terms,

y = 127.31

If y ⇒ amount spent on grocery's, let us solve for the amount spent on 5 children, and subtract from this amount;

y = 21.08 * ( 5 ) + 85.15 ⇒ Multiply 21.08 by 5,

y = 105.4 + 85.15 ⇒ Combine like terms,

y = 190.55

Difference; 190.55 - 127.31 = 63.24,

Solution; Difference ⇒ $ 63.24

4b ) If the amount is $ 169.47, let us plug it into our given equation provided amount spent on groceries ⇒ y;

169.47 = 21.08x + 85.15 ⇒ Subtract 85.15 from either side of equation,

21.08x = 84.32 ⇒ Divide either side 21.08,

x = 4 children

Solution; 4 children

Answer:

oh text me for more information

Step-by-step explanation:

Answer:

Tan r = z/y

Step-by-step explanation:

Tangent = opposite / adjacent

Line XY, which is z, is opposite of angle r.

Line XZ, which is y, is adjacent to angle r.

The equation would be Tan r = z/y.

Answer: No, you can't find the tangent ratio of angle rº because the tangent ratio applies to any right triangle, and it applies to right triangles ONLY.

Answer:x=2

Step-by-step explanation: 2x-4=0

2x-4=0

+4 +4

2x=4

2x/2=4/2

X=2

Answer:

38 and 39

Step-by-step explanation:

Since the two integers are consecutive, then one is one larger than the other. Therefore, lets call them x and x+1. We can now set up the following equation:

x+(x+1)=77

2x+1=77

2x=76

x=38

x+1=39

Hope this helps!

Answer:I believe it is 39 and 38

Step-by-step explanation:

x + (x+1) = 77

2x = 76

x = 38 (1st number)

x+1 = 39 (2nd number)

So the right answer is 40%

look at the attached picture

Hope it will help you

Good luck on your assignment

Answer:

13 and 27

Step-by-step explanation:

x+y=40

x- smaller

2y-x=41

x=2y-41

Now to plug it into our first equation:

3y-41=40

3y=81

y=27

x=13

Answer: 7

you cant put seven in groups of 2 , 3 , 5 ,or 6 so theres 7 pennies

Answer:

37.5

Step-by-step explanation:

Answer:

$17,740.19

Step-by-step explanation:

A = P x e^rt

   = 3,700 x e^(0.0825 x 19)

   = $17,740.19

Answer:

w = 2.5 cm

Step-by-step explanation:

The area (A) of the triangle is calculated as

A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the height )

Here b = 5 and h = 6, thus

A = 0.5 × 5 × 6 = 15 cm²

Thus the area of the rectangle is 15 cm²

A = lw ( l is the length and w the width )

Here l = 6 and w is to be found

6w = 15 ( divide both sides by 6 )

w = 2.5 cm

Answer:

Applying the binomial theorem

[tex]{\displaystyle (x+a)^{n}=\sum _{k=0}^{n}{n \choose k}x^{n-k}a^{k}}[/tex]

Here we have x = -[tex]\sqrt{2}[/tex], n = 8,

=> 4th term (k = 3) would be:

[tex]{8 \choose 3}x^{8-3}a^{3}} = {8 \choose 3}(-\sqrt{2})^{5}a^{3}} = -224a^{3}\sqrt{2}[/tex]

Hope this helps!

:)

Answer:

A

Step-by-step explanation:

Answer:

Exact form is [tex]x=-\frac{2}{65}[/tex]

And the decimal form is x  =  −0.0307692

Answer:

The value of x is -2/65

Step-by-step explanation:

The given equation is

8 - 65x = 10

We are asked to find the value of x.

Step 1: Subtract 8 from both sides

-8 + 8 - 65x = 10 - 8

-65x = 2

Step 2: Divide both sides by -65

-65x/-65 = 2/-65

x = -2/65

Therefore, the value of x is -2/65