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2 years ago

CAN SOMEONE PLEASE HELP ME???? ASAPPPPP!!!!! PLEASE??

Mathematics

1 answer:

steposvetlana [31]2 years ago

5 0

Answer:

(i) an isosceles triangle is a triangle where two angles are equal and one is different

(ii) same as above

(iii) sorry but im not sure

(iv) a=1.41 b=11.31 c=7.07

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Part B

UNO [17]

Answer:

(4.25,6.5)

Step-by-step explanation:

7 0

2 years ago

A photograph of a painting measures 13 units by 17 units. If the scale factor is 1/3, what is the actual size of the painting?

Vlad1618 [11]

Answer:

39 units by 51 units

Step-by-step explanation:

The painting is a scale factor of 1/3, so each side length is 1/3 of the original. To find the original multiply both side lengths by 3.

13x3 = 39

17 x 3 = 51

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3 years ago

Given that<br>X2: (20 – 3x) = 1 : 2<br>find the possible values of x.

hammer [34]

Answer:

Step-by-step explanation: x^2 : (20 - 3x) = 1 : 2

2x^2 + 3x - 20 = 0

(x + 4)(2x - 5) = 0

Solution:

x = -4

x = 5/2

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2 years ago

Find the angles please please

IceJOKER [234]

Angle BAC
cosφ⁻¹ = (10² + 17² - 11²)/(2*10*17) = 37.9 ≈ 38°
Angle ACB
cosφ⁻¹ = (10² + 11² - 17²)/(2*10*11) = 108.0°
Angle ABC
cosφ⁻¹ = (11² + 17² - 10²)/(2*11*17) = 34.0°
See you !

6 0

2 years ago

Simplify the midpoint of QS.

oee [108]

Answer:

[(a + b), c]

Step-by-step explanation:

Midpoint of a segment with extreme ends represented by ordered pairs $(x_1,y_1)$ and $(x_2,y_2)$ ,

Midpoint = $(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

It is given that extreme ends of the segment QS are Q(2b, 2c) and S(2a, 0)

Coordinates of the midpoint of QS will be,

= $(\frac{2a+2b}{2},\frac{2c+0}{2} )$

= [(a + b), c]

Therefore, ordered pair representing the midpoint of QS will be [(a + b), c].

8 0

3 years ago

CAN SOMEONE PLEASE HELP ME???? ASAPPPPP!!!!! PLEASE??​

CAN SOMEONE PLEASE HELP ME???? ASAPPPPP!!!!! PLEASE??