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11Alexandr11 [23.1K]
3 years ago
7

HELP ME PLEASE URGENT

Mathematics
1 answer:
Yuki888 [10]3 years ago
3 0

Answer:

Scale factor is 2.5

Value of X: 27.5

Value of y: 12

Value of z: 7.5

Step-by-step explanation:

Okay so. A scale factor is the number by which the shape is increasing, or decreasing by. Like if a square went from 5 cm on all sides to 10 cm on all sides, the scale factor would be 2. This shape has been rotated, so you want to rotate it back so the sides match up when you compare them. The only two sides with a number (without a variable) are 8 and 20, for 8 to be able to get to the number 20, it had to be multiplied by 2.5. To get all the other sides answers, you need to multiply any numbers by 2.5 if it the shape of the left, if it is the shape on the right you need to divide it by 2.5.

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Please answer it now in two minutes
Mama L [17]

Answer: √3

Step-by-step explanation:

Hi, since the situation forms a right triangle we have to apply the next trigonometric function.  

Sin α = opposite side / hypotenuse  

Where α is the angle (30°), the hypotenuse is the longest side of the triangle (in this case 2), and the opposite side is x. (not t or 2)

Replacing with the values given:  

Sin 30 = x /2

Sin 30 (2) = x

x=1

Applying the Pythagorean theorem:

c^2 = a^2 + b^2  

Where c is the hypotenuse of the triangle (2) and a and b are the other sides.  

2^2 = t^2 + 1^2

4= t^2 +1

4-1 = t^2

3 = t^2

√3 = t

Feel free to ask for more if needed or if you did not understand something.  

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3 years ago
Which functions have a removeable discontinuity? Check all that apply.
Romashka [77]

Answer:

1,3,4

Step-by-step explanation:

6 0
3 years ago
An expression is shown.<br> 8 × (3.8 + 13.2) - 6<br><br> What value is equivalent to the expression?
Naddik [55]

Answer:

130

Step-by-step explanation:

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4 0
3 years ago
Complete the equation for the standard form of the line that has an x-intercept of 3 and a y-intercept of 5.
Ugo [173]

Answer:

5x+3y=15

Step-by-step explanation:

We are given two coordinates (3,0) (0,5)

Start by finding slope

y2-y1/x2-x1=  5-0/0-3= -5/3 this is your slope m.

y=mx+c

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3 0
3 years ago
Read 2 more answers
Which ordered pair is in the solution set of 6x + 4y ≤ −2?
Nutka1998 [239]

Answer:

x≤ −2/3y + −1/3

Step-by-step explanation:

because...

Step 1: Add -4y to both sides.

6x + 4y + −4y ≤ −2+−4y

6x ≤ −4y −2

Step 2: Divide both sides by 6.

6x/6 ≤ \frac{-4y-2}{6}

x ≤ −2/3y + −1/3

Therefor, the answer is x≤ −2/3y + −1/3

* Hopefully this helps:) Mark me the brainliest:)!!

4 0
3 years ago
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