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Vera_Pavlovna [14]
3 years ago
13

Which steps could be used to solve this story problem?

Mathematics
2 answers:
nlexa [21]3 years ago
7 0
Hope this helps but I think the answer is B.
Ksenya-84 [330]3 years ago
3 0
I got be because when you divide 20 and 4 you get 5

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What is √200 in simplest form?
borishaifa [10]

Answer:

14.4913767

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Given vectors u = (−1, 2, 3) and v = (3, 4, 2) in R 3 , consider the linear span: Span{u, v} := {αu + βv: α, β ∈ R}. Are the vec
julia-pushkina [17]

Answer:

(2,6,6) \not \in \text{Span}(u,v)

(-9,-2,5)\in \text{Span}(u,v)

Step-by-step explanation:

Let b=(b_1,b_2,b_3) \in \mathbb{R}^3. We have that b\in \text{Span}\{u,v\} if and only if we can find scalars \alpha,\beta \in \mathbb{R} such that \alpha u + \beta v = b. This can be translated to the following equations:

1. -\alpha + 3 \beta = b_1

2.2\alpha+4 \beta = b_2

3. 3 \alpha +2 \beta = b_3

Which is a system of 3 equations a 2 variables. We can take two of this equations, find the solutions for \alpha,\beta and check if the third equationd is fulfilled.

Case (2,6,6)

Using equations 1 and 2 we get

-\alpha + 3 \beta = 2

2\alpha+4 \beta = 6

whose unique solutions are \alpha =1 = \beta, but note that for this values, the third equation doesn't hold (3+2 = 5 \neq 6). So this vector is not in the generated space of u and v.

Case (-9,-2,5)

Using equations 1 and 2 we get

-\alpha + 3 \beta = -9

2\alpha+4 \beta = -2

whose unique solutions are \alpha=3, \beta=-2. Note that in this case, the third equation holds, since 3(3)+2(-2)=5. So this vector is in the generated space of u and v.

4 0
3 years ago
Solve for n. 9n + 120 = 336
rewona [7]

Answer:

the answer is n=24

Step-by-step explanation:

hope this helps :)

8 0
3 years ago
Read 2 more answers
Help needed ASAP will give brainliest and 5 STARS RATE
Burka [1]

Answer:

I think It might be A

Step-by-step explanation:

Don't trust me tho

7 0
3 years ago
1
ankoles [38]
We subtract the 17 from the 981 to make the two sides even so it’s easier to calculate, 981 - 17 = 964, then divide that by 2, 964/2 = 482. So your answer is 482.

Would appreciate brainliest!
6 0
3 years ago
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