Need Help now plzzz I´m stuck

Answer:

the answer for this is 12

Answer:

Step-by-step explanation:

If we half the base of the equilateral triangle, which has a length of xcm, we can form a right-angled triangle with a base of x/2 cm and height 2√3 cm.

Now using Pythagoras' Theorem we solve for the hypotenuse:

[tex]x^{2} = (\frac{x}{2})^{2} + (2\sqrt{3})^{2}\\ x^{2} = \frac{x^{2}}{4} + 12\\ 4x^{2} = x^{2} + 48\\ 3x^{2} = 48\\ x^{2} = 16\\x = \frac{+}{}4\\ \\[/tex]

x must be positive as it is a length so we multiply 4 by 3 to get the perimeter of 12.

Answer:

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

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Answered by: ms115

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Answer:

20.5 : 61.5

Step-by-step explanation:

1:3

1 + 3 = 4

82 ÷ 4 = 20.5

ratio of 1:3

1 × 20.5 = 20.5

3 × 20.5 = 61.5

20.5 : 61.5

Answer:

➢ 5.25

I hope it'll help you...

[tex]#CarryOnLearning[/tex]

The number that gives a value of 25 when 1/4 of the number is added to 4 is 80.

The first step is to represent the information in the question as an equation:

1/4x + 5 = 25

In order to determine the number, take the following steps:

Combine similar terms

1/4x = 25 - 5

Add similar terms

1/4x = 20

Multiply both sides of the equation by 2

x = 80

To learn more about multiplication, please check: https://brainly.com/question/14059007

Answer:

the second answer

NMS MNT

[tex]\\ \tt\hookrightarrow 0.54[/tex]

[tex]\\ \tt\hookrightarrow \dfrac{54}{100}[/tex]

More simplify

[tex]\\ \tt\hookrightarrow \dfrac{27}{50}[/tex]

Solution:

Since there is two digits on the right of the decimals, it is called "the hundredths."

Now, we can recite 0.54 as 54 hundredths. The word "54 hundredths" defines 54/100. Hence, Option A is correct.

Further Simplification

Answer:

a. 60%

b. increase

Step-by-step explanation:

To find the percentage, you can divide 72 by 45 to get the decimal increase, or 1.6. Percentage rates are decimals, and you can think about this like coloring 60 circles out of 100, representing 60% of 100. Since 72 is higher than 45, this was a percentage increase.

Answer:

75

Step-by-step explanation:

for the square in the middle, 7x4=28

for the triangles on the left and right 7x5=35 and since there are two of them you dont need to divide by 2

for the triangles on top and bottom, 3x4=12 and also 2 of them so you dont need to divide by 2

then just add it all up

Answer:

135,000

Step-by-step explanation:

1.5 hour means 90 minutes

1500 * 90 = 135000

Answer:

1666.67

Step-by-step explanation:

100×100×60×2×4

=____________________

3×2×5×3×32

=4800000

_________

2880

=1666.67

Answer:

7 tickets

Step-by-step explanation:

First, do 173 - 5 which is 168

Then, divided 168 by 24

That is equal to 7

You and ur friends ordered 7 tickets!

Hope this helps! :)

Answer:

32

Step-by-step explanation:

angle a is the outside angle. It creates a circle that will always equal 360 degrees. Since the outside angle is 302, the inside angle must be 58 degrees (360-302). The top square angle will be 90 degrees (a square angle is always 90 degrees). Since the angles in a triangle always add up to 180 degrees, we need to add 58 and 90, and then subtract it from 180, which equals 32. So, angle x equals 32.

Answer:

x = 32°

Step-by-step explanation:

The triangle is 58°. I know this because the question stated that "a" is 302. A full circle is 360. So you can subtract 360 - 302 = 58. There is a small corner of a square in the other side of the triangle. With that we know that, that side has to be 90°. A triangle is 180° total. So we can subtract:

180 - 90 - 58 = 32

Therefore, x = 32°

Answer:

I believe your answer is 76.

Hope this helped!

Answer:

  A. 4,5

Step-by-step explanation:

No x-value can be repeated if the relation is to remain a function. The x-values already in the table are {-4, -2, 0, 2}. This list eliminates all answer choices except the first one: (4, 5) may be added to the table.

Answer:

y = -2x + 3

Step-by-step explanation:

[]Let us write an equation in slope-intercept form.

-> See attached

-> Our equation will start out as y = x

[] The slope can be found by taking the change in y divided by the change in x

-> [tex]\frac{-3-1}{3-1}=\frac{-4}{2}=\frac{-2}{1}=-2[/tex]

-> Now our equation is y = -2x

[] The y-intercept, or b, can be found by plugging a point given to us into the equation we have so far.

-> y = -2x + b

(1) = -2(1) + b

1 = -2 + b

3 = b

-> Now our equation is y = -2x + 3, which is our final answer.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

Answer:

y = -2x +3

Step-by-step explanation:

coordinates given (1,1) and (3,-3)

How to find equation? first find slope.

slope formula:

(y2-y1)/(x2-x1)

using this formula:

(-3-1)/(3-1)

-4/2

-2 ........this is slope also refereed as (m) in short form.

Use the formula:

y - y1 = m( x - x1)

using the formula:

y - 1 = -2( x - 1)

y -1 = -2x + 2

y = -2x +3

Answer:

Side length of first square is 10 cm

Side length of second square is 8 cm

Step-by-step explanation:

Let (x + 2) = side length of first square

Let x = side length of second square

Area of a square = (side length)²

⇒ area of first square = (x + 2)²

⇒ area of second square = x²

If the sum of their areas is 100 cm² then:

⇒ (x + 2)² + x² = 100

Expand the brackets:

⇒ x² + 4x + 4 + x² = 100

Collect and combine like terms:

⇒ 2x² + 4x + 4 = 100

Subtract 100 from both sides:

⇒ 2x² + 4x - 96 = 0

Divide both sides by 2:

⇒ x² + 2x - 48 = 0

Factor:

⇒ (x - 6)(x + 8) = 0

Therefore,

⇒ x = 6, x = -8

As distance is positive, x = 8 only.

Therefore, side length of first square is 10 cm

Side length of second square is 8 cm

Answer:

9a+b+2c

Step-by-step explanation:

combined like terms

Answer:

11,990

9% of 5500 is 495

(495+5500) [one year] x 2 [two years] = $11,990

At the end of 2 years, Aldo will owe $11,990.

Hope it helps

Answer:

  11.5

Step-by-step explanation:

Coordinate values and side lengths are multiplied by the dilation scale factor. (Angle values remain unchanged.)

  W'X' = (1/4)WX

  W'X' = (1/4)(46) = 11.5

Answer:

y=3x.

Step-by-step explanation:

The greatest number for circle B is letter E

Answer: The correct answer option is B.

Step-by-step explanation:

We are to determine whether which of the given data sets in the answer options are continuous.

For this, we need to know what a continuous data set is.

A data set that has no definite end to its value but keeps on continuing.

Here, the data sets are given in A, C, D, and E have definite starting and ending points.

While B is a continuous set as its values are continuing to infinity.