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Ilia_Sergeevich [38]
2 years ago
14

•Please help, due tomorrow• Answer choices are given

Mathematics
1 answer:
Luda [366]2 years ago
8 0

Answer:

Hii i just know the 4 and 5 one

Step-by-step explanation:

4 one is exterior

5 one is included angle

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Find the measure of EACH ANGLE
liq [111]
Angle 10 is 115
Angle 11 is 65
Angle 12 is 115
4 0
3 years ago
Help please! i need to find the restrictions to this expression
jarptica [38.1K]

Answer:

x = 7, x = \frac{-1}{5}

Step-by-step explanation:

A restriction can only be found in the denominators and this is when x is a certain number that when plugged in, makes the expression 0 (this makes it undefined, which you cannot have).

<em><u>Since we are only looking at the denominator, you can just ignore the numerator:</u></em>

(x - 7) (5x + 1)

<em><u>To find the restrictions, you must set them equal to 0:</u></em>

x - 7 = 0

5x + 1 = 0

<em><u>Then, solve:</u></em>

x - 7 = 0                                                                                        5x + 1 = 0

  + 7   + 7                                                                                            - 1   - 1

________                                                                                    ________

x = 7                                                                                                 5x = -1

                                                                                                          x = \frac{-1}{5}

If you plug these numbers in, the total outcome would come out to be 0, making the expression undefined, proving that these are the restrictions of the expression.

5 0
3 years ago
After a 15% price reduction, a boat sold for $15,200. what was the boats price before the reduction?
lora16 [44]

Given that after a 15% price reduction, a boat sold for $15,200. Now we have to find the boats price before the reduction.

Let the boats price before the reduction = x

Reduction = 15% of original price = 15% of x = 0.15x

Then selling price will be difference of original price and reduction

Selling price = Origina price - Reduction

15200 = x - 0.15x

15200 = 0.85x

\frac{15200}{0.85}=x

17882.3529412=x

Hence origina price before reduction is approx $17882.35

3 0
2 years ago
Using the transformation T: (x, y) (x + 2, y + 1), find the distance named. Find the distance BB'
AnnZ [28]

Answer:

\sqrt{5}\ units


Step-by-step explanation:

we know that

The rule of the translation is equal to

(x,y)-----> (x+2,y+1)

That means

The translations is 2 units to the right and 1 unit up

Let

(x,y)-------> the coordinates of point B

(x+2,y+1)------> the coordinates of point B'

Find the distance

the formula to calculate the distance between two points is equal to


d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}


substitute

d=\sqrt{((y+1)-y)^{2}+((x+2)-x)^{2}}


d=\sqrt{(1)^{2}+(2)^{2}}


d=\sqrt{5}\ units


8 0
3 years ago
Read 2 more answers
12 - (-4) = ? AND how do I solve it?
iVinArrow [24]
48, multiply -1 by -4 then multiply 4 by 12
PEMDAS
6 0
3 years ago
Read 2 more answers
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