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Aleksandr [31]
2 years ago
14

I will mark brainlis if i can...

Mathematics
2 answers:
Lana71 [14]2 years ago
8 0

Answer:

(a) A comet revolves around a star

It's the only one that makes sense

Step-by-step explanation:
Hope this helps you!!!!! :D

nydimaria [60]2 years ago
6 0
B. a star is composed of gas
You might be interested in
Find angle m and angle n
san4es73 [151]

Answer:

m∠M = 79°

m∠N = 66°

Step-by-step explanation:

∠MPN is supplementary to ∠MPQ, so m∠MPN = 35

The sum of the measures of a triangle is 180.

So, m∠M + m∠N + m∠MPN = 180

5y + 4 + 4y + 6 + 35 = 180

9y + 45 = 180

9y = 135

y = 15

m∠M = 5y + 4 = 5(15) + 4 = 75 + 4 = 79

m∠N = 4y + 6 = 4(15) + 6 = 66

Another way to do this problem, which is easier, is to know that an exterior angle of a triangle is equal to the sum of the two remote interior angles.

That means 5y + 4 + 4y + 6 = 145

                      9y + 10 = 145

                      9y = 135

                         y = 15

From knowing the value of y you can now find the measures of angles M and N

5 0
3 years ago
#2 is the one I need help with
sleet_krkn [62]

Step-by-step explanation:

By arc sum Postulate of a circle:

2 x + 3x + 4x = 360°

9x = 360°

x = 360°/9

x = 40°

3x = 3* 40° = 120°

By inscribed angle theorem:

m\angle 1= \frac {1}{2} \times 3x\\\\\therefore m\angle 1= \frac {1}{2} \times 120°\\\\\huge \red {\boxed {\therefore m\angle 1= 60°}}

By tangent secant theorem:

m\angle 2 = \frac {1}{2} \times 3x\\\\\therefore m\angle 2 = \frac {1}{2} \times 120°\\\\\huge \purple {\boxed {\therefore m\angle 2 = 60°}}

Since, measure of central angle is equal to the measure of its corresponding minor arc.

m\angle 3 = 3x\\\\\huge \pink {\boxed {\therefore m\angle 3 = 120°}}

By angle sum Postulate of a triangle:

m\angle 3 + 2 m\angle 4 = 180°\\\\120° + 2 m\angle 4 = 180° \\\\2 m\angle 4 = 180°- 120° \\\\2 m\angle 4 = 60° \\\\m\angle 4 = \frac {60°}{2} \\\\\huge \orange {\boxed {m\angle 4 =30°}}

3 0
3 years ago
Again answer as many as you can
Keith_Richards [23]
For #3, it's 5.4 because you divide the total amount of money made by the amount of money earned per hour. 

49.95/9.25=5.4 hours
7 0
3 years ago
Read 2 more answers
What is 4.908 in expanded form
velikii [3]

Answer:

4.908

Step-by-step explanation:

Expanded Notation Form:

4

+ 0.9

+ 0.00

+ 0.008

Expanded Factors Form:

4 × 1

+ 9 × 0.1

+ 0 × 0.01

+ 8 × 0.001

Expanded Exponential Form:

4 × 100

+ 9 × 10-1

+ 0 × 10-2

+ 8 × 10-3

Word Form:

four and nine hundred eight thousandths

3 0
3 years ago
How do find the answer in subtractiion problem, when the top number is smaller than the bottom
Travka [436]
Use a number line if you need 4/10 - 6/10 = -2/10a simpler way is to do the opposite 6/10 - 4/10 = 2/10  then the answer would be the opposite as well. so, -2/10
8 0
3 years ago
Read 2 more answers
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