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2 years ago

I have no idea how to do this please helo

Mathematics

2 answers:

forsale [732]2 years ago

6 0

Answer:

[(2n – 4) × 90°] / n

Step-by-step explanation:

i looked it up online

sesenic [268]2 years ago

3 0

Step-by-step explanation:

$(x - 2) \times 180 \\ (10 - 2) \times 180 = 8 \times 180 \\ = 1440 \\ forone \: angle = \frac{1440}{10} = 144 \\ thank \: you$

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3 A new club opens with 20 members, plus an unknown number of members from another club. The club allows only members to join on

Marina86 [1]

Step-by-step explanation:

let the unknown members be X

At first, the club had 20 + X members

After the first year,

2( 20+X)

The second year,

2( 20 +X/2) +40

The third year,

3[2(20+ X/2) +40]

Total number =

20+X + 2(20+X) + 2( 20 +X/2) +40 +3[2(20+ X/2) +40]

= 20+ X + 40+ 2X + 40 +2X/2 +40 +3[40+2X/2 +40]

= 20+40+X +2X +40+X+ 40 + 3[ 40+40+X]

= 60 +3X +80+X + 3[80+X]

= 140+4X + 240+3X

=380 + 7X

-380=7X

X = -54.3

4 0

2 years ago

A property had a list price of $164,000, an actual sale price of $158,000 and a $124,000 loan. If the transfer fee was $3 per $1

Kryger [21]

Answer:

The fee was $474.

Step-by-step explanation:

Given:

A property had a list price of $164,000, an actual sale price of $158,000 and a $124,000 loan.

If the transfer fee was $3 per $1,000.

Now, to find the fee.

The list price of the property = $164,000.

The sale price of the property = $158,000.

And the amount of loan = $124,000.

As, the transfer fee is based on the sale price of the property.

The transfer fee was $3 per $1,000.

So, let transfer fee be $x$ for $158,000.

If, 3 is equivalent to $1000.$

Then, $x$ is equivalent to 158,000.

Now, to get the fee by using cross multiplication method:

$\frac{3}{1000} =\frac{x}{158000}$

By cross multiplying we get:

$474000=1000x$

Dividing both sides by 1000 we get:

$474=x$

$x=\$474.$

The transfer fee = $474.

Therefore, the fee was $474.

5 0

4 years ago

Please help me thanks

soldier1979 [14.2K]

Answer:

2:1____________________________________

8 0

3 years ago

100 points, put nonsense, get reported. Susan wants to build a floor to put at the bottom of her tree house. She made the scale

Elanso [62]

Divide the length of the scale drawing by the scale (2.5) then multiply that by the scale feet (3)

11 inches / 2.5 = 4.4

4.4 x 3 = 13.2 feet

Answer: 13.2 feet

3 0

3 years ago

Read 2 more answers

Solve for x in the equation x² - 4x - 9 = 29.

yawa3891 [41]

Answer: First option.

Step-by-step explanation:

1. To solve this problem you can applly the quadratic formula, which is shown below:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}$

2. The quadratic equation is:

$x^{2}-4x-9-29=0\\x^{2}-4x-38=0$

3. Then:

a=1

b=-4

c=-38

4. Therefore, when you substitute these values into the quadratic formula, you obtain the following result:

$x=\frac{-(-4)+/-\sqrt{(-4)^{2}-4(1)(-38)}}{2(1)}$

x=2±√42

5 0

4 years ago

Read 2 more answers