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nalin [4]
3 years ago
13

Using the same triangle as above, provide a value for the measure of angle A. Use this value, along with the values you have pro

vided in question 3, to calculate the length of side c and the measure of angle B. The value of A should be between 20 and 70 and cannot be the same as angle C.

Mathematics
1 answer:
zubka84 [21]3 years ago
7 0

Answer:

Step-by-step explanation:

Since the triangle is a right triangle, we know angle B is 90

Then, we know A and C have to make 90 to

so if A has to be between 20 and 70, we can pick 21

as long as A and C make 90, if A is 21, then C is 69

since 21 + 69 = 90

Since it's a right triangle, we can use pythagoran theorem to find c

a² + b² = c²

c = \sqrt{a^{2} + b^{2} }

then you put in the numbers from question 3 (you didn't say what numbers those have to be) and you can find out whats c

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What is the slope of the line with equation y=-5x
harina [27]
An equation in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

In this case, our y-intercept is 0, so we're left with y = -5x.

-5 is in the place of m, which means -5 is our slope.


The slope of y = -5x is -5.
3 0
3 years ago
The correct factorization of 12x'2 - 157x - 40: A) (3x -8)(4x - 5) B) (3x - 40)(4x + 1) C) (12x - 1)(x + 40) D) (12x - 5)(x-8)​
irinina [24]

Answer:

B

Step-by-step explanation:

12x² - 157x - 40

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 12 × - 40 = - 480 and sum = - 157

The factors are + 3 and - 160

Use these factors to split the x- term

12x² + 3x - 160x - 40 ( factor the first/second and third/fourth terms

= 3x(4x + 1) - 40(4x + 1) ← factor out (4x + 1) from each term

= (4x + 1)(3x - 40) ← in factored form → B

8 0
3 years ago
An umbrella is made by stitching 10 triangular pieces of clothes of 2 different colors, each piece measuring 9 cm, 40 cm and 41
malfutka [58]

Answer:

See below in bold.

Step-by-step explanation:

The triangular piece of cloth is a right triangle because 41^2 = 40^2 + 9^2 (By the Pythagoras theorem).

So the area of one piece = 1/2 * 9 * 40  cm^2.

The total amount of cloth  required for one umbrella = 10 * 1/2 * 9 * 40

= 1800 cm^2.

The total cost =  1800 * 0.25 = Rs 450.

3 0
3 years ago
PLEASE HELP DUE IN 5 MIN
anzhelika [568]

9514 1404 393

Answer:

  x = 11

Step-by-step explanation:

The external angle is half the difference of the subtended arcs. The smaller arc is shown as 86°. The larger arc will be the difference between 360° and the two arcs shown.

  larger arc = 360° -74° -86° = 200°

So, the external angle is ...

  4x +13 = (200 -86)/2 = 57

  4x = 44 . . . . . . . . . . . . subtract 13 from both sides

  x = 11 . . . . . . . divide by 4

5 0
3 years ago
3(x+4) < 5(x+3) give answer as an improper fraction in its simplest form. Someone help me please x
Alex73 [517]

Answer:

x > -3/2

step-by-step explanation:

3(x+4) < 5(x+3)

3x+12 < 5x +15

-3 < 2x

-3/2 < x

6 0
4 years ago
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