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Anestetic [448]
2 years ago
15

Grade 11 maths investigation ​

Mathematics
1 answer:
MAVERICK [17]2 years ago
6 0

Answer:

whats the question

Step-by-step explanation:

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WILL GIVE BRAINLIEST The sequence 7 21 63 189......shows the number of jumping jacks justin did each week, starting with the fir
vovangra [49]

A

this is a geometric sequence since there exists a common ratio r between the terms

r = \frac{21}{7} = \frac{63}{21} = \frac{189}{63} = 3

B

to obtain the next term in the sequence multiply the previous term by 3

a_{n+1} = 3 a_{n} ← recursive rule

C

the n th term of a geometric sequence is

a_{n} = a_{1} r^{n-1}

where a_{1} is the first term in the sequence

a_{n} = 7 × 3^{n-1} ← explicit rule


3 0
3 years ago
160% as a decimal Please help
kolezko [41]

Answer:

160/100=1.6

Step-by-step explanation:

6 0
3 years ago
What is the length of BC?
MrRissso [65]

If Two Angles in a Triangle are Equal, Then Sides Corresponding to those Angles are also Equal

From the Figure, We can Notice that ∠C = ∠B

⇒ Length of AC = Length of AB

⇒ 2x - 24 = x - 2

⇒ x = 24 - 2

⇒ x = 22

3 0
3 years ago
Name the intersection of planes DCG and EFG
cupoosta [38]
<span>GH would be the intersection in this case. This is the place where the planes come together. An intersection is where two things come together. This enables an object to create a shape like a box and gives support to the sides that mesh.</span>
7 0
3 years ago
Find mzP<br><br> A 50<br> B. 60<br> C. 70<br> D. 120
marishachu [46]

Answer:

d.120

Step-by-step explanation:

p=70

m=120

z=120

8 0
3 years ago
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