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3 years ago

Angle RST measures 80 degrees. Ray SU bisects the angle what is the measure of the two smaller angles?

Mathematics

1 answer:

ki77a [65]3 years ago

4 0

2

if it bisects, it divides it into 2 equal parts.
80/2 = 40

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What is the area of the composite figure? Enter your answer as a decimal in the box. cm2

OverLord2011 [107]

Area = 7 x 7 + 1/2 x 7 x 3
= 49 + 10.5
= 59.5cm2

8 0

2 years ago

a) How many significant figures are in the numbers 99 and 100? (b) If the uncertainty in each number is 1, what is the percent u

levacccp [35]

Answer:

2, 3

1.01, 1

Percentage uncertainty

Step-by-step explanation:

a) The significant figures in the number 99 is 2

The significant figures in the number 100 is 3

b) Uncertainty in each of the numbers for both the numbers is 1

Percentage uncertainty

$\text{Percentage uncertainty}=\frac{\text{Uncertainty}}{Value}\times 100 \\\Rightarrow \text{Percentage uncertainty}=\frac{1}{99}\times 100=1.01$

Percentage uncertainty = 1.01

100

$\text{Percentage uncertainty}=\frac{\text{Uncertainty}}{Value}\times 100 \\\Rightarrow \text{Percentage uncertainty}=\frac{1}{100}\times 100=1$

Percentage uncertainty = 1

c) Percentage uncertainty is a better way to express the numbers as the significant figures do not show the actual value of the numbers.

6 0

3 years ago

A New York Times/CBS poll surveyed 1,027 adults nationwide about race relations in the United States. Of the sample, 61% respond

Naddik [55]

The interpretation is that we are 95% confident that the true population proportion p is somewhere between 0.58 and 0.64

The population proportion p in this case refers to the proportion of people who feel that race relations in this country are generally bad.

Something like 0.58 converts to 58% when you move the decimal point 2 spots to the right.

5 0

2 years ago

Pls help me!! thank you!!

klasskru [66]

Full working out shown from step 1 to last.

follow it and you get 24 square feet as final answer. Good luck in other questions!!!

3 0

2 years ago

Please help me i’m stuck

Studentka2010 [4]

Following the principle of supplements angles, the angle next to the 101 is 79°. 79+38+c(call the third angle c) = 180
c = 180-117 =63° x is supplemental to c so 180 = x +c
180=x + 63
x =117

5 0

10 months ago