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Rzqust [24]
3 years ago
6

Set up a system of equations and then use your calculator to solve: In triangle ABC, the sum of angles and c is equal to three t

imes angle B. Angle C is 10 degrees more than twice angle B. Find the measure of each angle.(Hint: The angles of a triangle add up to 180 degrees.)
Mathematics
1 answer:
aalyn [17]3 years ago
4 0

Answer:

Step-by-step explanation:

angle A = 40

angle B = 60

angle C = we don't know.

A + B + C = 180

C = 180 - A - B

C = 180 - 40 - 60

C = 80

40 + 60 + 80 = 180

180 = 180...It checks!

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HALP PLEASE NEED HALP, ASAP??
andre [41]

Answer:

5

Step-by-step explanation:

since -4 *-2 = 8 and -8+8=0

0*-2=0

0+5=5

7 0
3 years ago
The nth term of a sequence is given by 3n² + 11 Calculate the difference between the 6th term and the 9th term of the sequence.​
katovenus [111]

The difference between the 6th term and the 9th term of the sequence is 135

<h3>How to determine the difference</h3>

Given that the nth term is;

3n² + 11

For the 6th term, the value of n is 6

Let's solve for the 6th term

= 3( 6)^2 + 11

= 3 × 36 + 11

= 108 + 11

= 119

For the 9th term, n = 9

= 3 (9)^2 + 11

= 3( 81) + 11

= 243 + 11

= 254

The difference between the 6th and 9th term

= 254 - 119

= 135

Thus, the difference between the 6th term and the 9th term of the sequence is 135

Learn more about algebraic expressions here:

brainly.com/question/4344214

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4 0
2 years ago
Express the following in the usual form<br>(a) 6.25×10-⁵
andrew-mc [135]

Answer:

0.0000625

Step-by-step explanation:

10^{-5}=0.00001

6.25*10^{-5}=6.25*0.00001=0.0000625

6 0
3 years ago
Read 2 more answers
Find the value of unknown angle x,y,z,a,b,c with reasons and full process​
Oduvanchick [21]

Answer:

Step-by-step explanation:

x = 70 degree (being vertically opposite angles)

y + 70 degree =180 degree (being linear pair)

y = 180 - 70

y = 110 degree

In triangle,

x + 60 + misssing angle = 180 degree (sum of interior angles of a triangle)

70 + 60 + missing angle =180

130 + missing angle = 180

missing angle = 180 - 130

missing angle = 50 degree

c = missing angle (being vertically opposite angles )

c = 50 degree

x + missing angle = a (sum of two interior opposite angles is equal to the exterior angle formed)

70 + 50 = a

120 degree = a

a = b (being vertically opposite angle

120 =b

therefore b is 120 degree

Hence , a = 120 degree , b = 120 degree , c = 50 degree , x = 70 degree , y = 110 degree

7 0
3 years ago
Simplify the expression:<br> 2+(a +5) =
nekit [7.7K]
Answer:

a+7

Step-by-step explanation:

2 + 5 = 7
7+a or a+7
6 0
3 years ago
Read 2 more answers
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