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Andrej [43]
2 years ago
7

Use an area model to multiply (3x+7)(4x+5).

Mathematics
1 answer:
DochEvi [55]2 years ago
5 0

Answer: 12x^2 + 43x + 35 (if you go to k12)

Step-by-step explanation: took the quiz :) (also, sorry forgot to actually answer..)

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Goryan [66]
Provide a picture or answer choices and I can answer the question of
5 0
3 years ago
5. What number does the model below best represent?
qaws [65]

Answer:

There is nothing, thats your answer

Step-by-step explanation:

8 0
3 years ago
a bag containing some widgets weighing 81 kg. when 2 of the widgets are removed, the weight of the bag drops to 73kg. the bag wi
Sloan [31]
First I find the individual widget weight

81 - 73 = 2x
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x = 4

Then I find how many widgets were left

73 - 1 = 4y
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3 0
3 years ago
A tree cast a shadow of 30m long and a 2m stick casts one that is 3m long. As show in the below diagram how tall is the tree?​
PSYCHO15rus [73]

Answer:

  • 20 m

Step-by-step explanation:

<u>We have similar triangles here.</u>

  • BC║DE, AB║AD and AC║AE ⇒ ΔADE ~ ΔABC

<u>The ratio of corresponding sides of similar triangles is same:</u>

  • BC/DE = AC/AE
  • BC / 2 = 30/3
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6 0
3 years ago
Read 2 more answers
Please help me with this please and thank you
Ierofanga [76]

Step-by-step explanation:

a geometric sequence means that every term is created by multiplying the previous term by a certain constant factor. this factor is called the "common ratio".

so,

6×r = 18

r = 18/6 = 3

and a quick check tells us this works also for the next terms (18×3 = 54, 54×3 = 162), so it is indeed a geometric sequence with common ratio 3.

a0 = 6

a1 = a0 × 3 = 6×3 = 18

a2 = a1 × 3 = a0 × 3×3 = 6×3² = 54

an = a0 × 3^n = 6 × 3^n

so,

f(x) = 6×3^x, x is integer, x >=0

4 0
2 years ago
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