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Vikentia [17]
3 years ago
12

Find a pattern for the sum of 4 times a number and twice the sum of the same number and 3

Mathematics
1 answer:
Minchanka [31]3 years ago
8 0
The answer is 4x + 2(x+3)
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Can anyone help me with this Midterm Advanced Algebra problem. (DONT ANSWER IF YOUR NOT SURE)
Viktor [21]

Answer:

6

Step-by-step explanation:

divide

4 0
2 years ago
Read 2 more answers
Given that u =< 2,12 >, and z =< -7,5 >
swat32

Using the dot product:

For any vector x, we have

||x|| = √(x • x)

This means that

||w|| = √(w • w)

… = √((u + z) • (u + z))

… = √((u • u) + (u • z) + (z • u) + (z • z))

… = √(||u||² + 2 (u • z) + ||z||²)

We have

u = ⟨2, 12⟩   ⇒   ||u|| = √(2² + 12²) = 2√37

z = ⟨-7, 5⟩   ⇒   ||z|| = √((-7)² + 5²) = √74

u • z = ⟨2, 12⟩ • ⟨-7, 5⟩ = -14 + 60 = 46

and so

||w|| = √((2√37)² + 2•46 + (√74)²)

… = √(4•37 + 2•46 + 74)

… = √314 ≈ 17.720

Alternatively, without mentioning the dot product,

w = u + z = ⟨2, 12⟩ + ⟨-7, 5⟩ = ⟨-5, 17⟩

and so

||w|| = √((-5)² + 17²) = √314 ≈ 17.720

7 0
2 years ago
PLEASE HELP ME PLZ!!!!!!!!! Can you anwser 13, 15, 17, 19, 21!!!!
madreJ [45]
#13 would be 100%.
#15 would be $9.90.
#17 would be 408.
#19 would be 27840.
#21 would be 26.
Sorry for the late reply. 
7 0
3 years ago
1: a 24 ounce box of cornflakes cost $4.59?
mestny [16]
The unit rate for the 1st one is: $0.19 / ounce

The unit rate for the 2nd one is: $0.16 / ounce

The 36 ounce box would be the better buy because it is less per ounce than the 24 ounce box
8 0
3 years ago
Read 2 more answers
For a history fair, a school is building a circular wooden stage that will stand that will stand 2 feet off the ground . Find th
yawa3891 [41]
To find the answer you do 19×19= 361 and do 361×3.14= 1,133.54 The area of the stage is 1,133.54
8 0
3 years ago
Read 2 more answers
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