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Sliva [168]
3 years ago
11

Will give brainliest to whoever answers this question please help

Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0

Answer:

∠ STR = 64°

Step-by-step explanation:

Since RS = ST then the triangle is isosceles and the base angles are congruent, that is

∠ STR = ∠ SRT , then

∠ STR = \frac{180-52}{2} = \frac{128}{2} = 64°

Rina8888 [55]3 years ago
5 0

Answer:

<h2>64°</h2><h2 />

Step-by-step explanation:

∠STR = <u>180 - 52</u>

                  2

          = 64°

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A linear model of this situation contains the values (15, 300.2) and (26, 177.88) where x represents the number of square inches
maw [93]

Answer: Paula starts with 301.5 yarns.

Step-by-step explanation:

Equation of a line passing through two points (a,b) and (c,d) is given by:-

(y-b)=\dfrac{b-d}{a-c}(x-a)

Given: x=  number of square inches knitted on the scarf

y= number of yarns remaining on the ball of yarn

The equation of a line passing through (15, 300.2) and (26, 177.88):

(y-300.2)=\dfrac{26-15}{177.88-300.2}(x-15)\\\\\Rightarrow (y-300.2)=\dfrac{11}{-122.32}(x-15)\\\\\Rightarrow (y-300.2)=\dfrac{11}{-122.32}(x-15)

To find initial point, put x=0

y-300.2=-\dfrac{11}{122.32}(0-15)\\\\\Rightarrow\ y-300.2=\dfrac{375}{278}\\\\\Rightarrow\ y=\dfrac{375}{278}+300.2\\\\\Rightatrrow\ y=301.5  \ \ (approx)

Hence, Paula starts with 301.5 yarns.

5 0
3 years ago
Please help Lia brought 21 shirts and plants. Her total was $357. Pants cost $25 each, and shirts cost $14.50 each. How many of
Mumz [18]

Answer: Chnager your profile pic

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Let U = {t,u,v,w.x,y,z). A = {w.y}, B = {v,w}, C = {t.x.v}, and D = {v.z.x.t,w}. Tell whether the statement below is true or fal
Licemer1 [7]

Given

Let U = {t,u,v,w.x,y,z). A = {w.y}, B = {v,w}, C = {t.x.v}, and D = {v.z.x.t,w}. Tell whether the statement below is true or false. U is the universal set.

Solution

A universal set (usually denoted by U) is a set which has elements of all the related sets, without any repetition of elements.Say if A and B are two sets, such as A = {1,2,3} and B = {1,a,b,c}, then the universal set associated with these two sets is given by U = {1,2,3,a,b,c}.

Since, set A, Set B, Set C and Set D are subset of Set U

Therfore, it is true Set

8 0
1 year ago
What is sin -1 (1/2) if the terminal side of 0 is located in quadrant 1
Lady_Fox [76]

Answer:

sin^-1 (1/2) = 30°

Step-by-step explanation:

* Lets explain how to find the trigonometry functions from the unit circle

- The unit circle is the circle whose radius is 1 unit

- It intersects the four axes at:

# Positive part of x-axis at (1 , 0) and negative part at (-1 , 0)

# Positive part of y-axis at (0 , 1) and negative part at (0 , -1)

- The terminal of any angle intersect it at point (x , y) where x² + y² = 1

- If The angle between the terminal side and the x-axis is Ф , then

# The adjacent side of Ф = x

# The opposite side of the angle Ф = y

- In the problem the terminal side lies in the first quadrant

∴ all the trigonometry functions are positive

∵ sin Ф = opposite/hypotenuse

∵ The opposite = 1/2 and the hypotenuse is the terminal side = 1

∴ sin Ф = 1/2 ÷ 1 = 1/2

- To find Ф use the inverse function sin^-1 Ф

∵ sin Ф = 1/2

∴ Ф = sin^-1 (1/2)

∴ Ф = 30°

* sin^-1 (1/2) = 30°

6 0
3 years ago
Can someone please help me with this
PtichkaEL [24]
1. 40m^2 2.150ft^2 3.99in^2 4.70m^2
7 0
3 years ago
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