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cluponka [151]
2 years ago
6

What is the measure of ∠F? What is the measure of ∠R? What is the measure of ∠C?

Mathematics
2 answers:
DanielleElmas [232]2 years ago
7 0
C= 43
I'm not sure what the measure of R is, but I think the measure of F is 55°. I'm not 100% sure, which I feel terrible about, but I am positive that C= 43
:)
aleksandr82 [10.1K]2 years ago
6 0

Answer: The measure of ∠F=55°

The measure of ∠R=36°

The measure of ∠C=43°

Step-by-step explanation:

  • <em>The angle sum property of triangle say that the sum of all the interior angles of a triangle is 180 degrees.</em>

Therefore By using angle sum property in Δ RST

∠R+∠S+∠T=180°

⇒∠R+76°+68°=180°

⇒∠R=180°-144°

⇒∠R=36°

In Δ CDE, where ∠C is a right angle.

∠C+∠D+∠E=180°

⇒∠C+90°+47°=180°

⇒∠C=180°-137°

⇒∠C=43°

In ΔDEF

∠D+∠E+∠F=180°

⇒104°+21°+∠F=180°

⇒∠F=180°-125°

⇒∠F=55°

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Find the area of the shape shown below.
valkas [14]

Answer:

<h2><em><u>12 is the total area</u></em></h2>

Step-by-step explanation:

A of triangle = 1/2 * b * h

b = 6

h = 2

2 * 6 * 0.5

= 12 * 0.5

<h2><em><u>= 6</u></em></h2>

A of square = l * w

2 * 2

<h2><em><u>= 4</u></em></h2>

A of Triangle = 1/2 * b * h

2 * 2 * 0.5 =

4 * 0.5

<h2><em><u>= 2</u></em></h2>

2 + 4 + 6

= 6 + 6

<h2><em><u>= 12</u></em></h2>
6 0
2 years ago
On a scale . 1 inch represent 600 miles . how many miles would 3/4 inch represent?
MrRa [10]
It's a proportion.

\frac{ \frac{3}{4} }{1} =  \frac{x}{600}

x (1) = 600 (3/4)

x = 450 mi
8 0
3 years ago
Please please please someone help me
Zolol [24]

Answer:

15

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The difference between the prediction interval and the confidence interval is that A. the prediction interval is narrower than t
Kitty [74]

Answer:

<em>The prediction interval provides an interval estimation for a particular value of y while the confidence interval does it for the expected value of y. </em>

Step-by-step explanation:

<em>A</em><em>. the prediction interval is narrower than the confidence interval.</em>

the prediction interval is always wider than the confidence interval.

<em>B</em><em>. the prediction interval provides an interval estimation for the expected value of y while the confidence interval does it for a particular value of y.</em>

False

<em>C</em><em>. the prediction interval provides an interval estimation for a particular value of y while the confidence interval does it for the expected value of y. </em>

<em>True</em>

<em>D.</em><em> the confidence interval is wider than the prediction interval.</em>

the prediction interval is  wider

8 0
3 years ago
NEED ANSWER ASAP
kkurt [141]

Answer:

f(2) = 81

g(2) = 83

Science class had a higher average

Step-by-step explanation:

Given

f(x) = 0.5x + 80

g(x) table

Solving (a): f(2)

We have:

f(x) = 0.5x + 80

So:

f(2) = 0.5*2 + 80

f(2) = 1 + 80

f(2) = 81

Solving (b): g(2)

From the given table.

g(2) = 83

Solving (c): f(4) or g(4); which is greater

f(x) = 0.5x + 80

So:

f(4) = 0.5*4+80

f(4) = 2+80

f(4) = 82

For g(4): Notice that in the table of g(x); g(x) increases by 2 when x increases by 1

This means that:

g(x) = g(x-1)+2

So

g(4) = g(4-1)+2:

g(4) = g(3)+2

g(4) = 85+2

g(4) = 87

<em>Hence, g(4) i.e. Science class is greater</em>

6 0
2 years ago
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