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Semenov [28]
2 years ago
9

What is an equivalent expression to 56m+21n?

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
8 0
Idk sorryh hssnnssnnssnnssndbxnxhhxxxxjjxdss
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Find the inner product for (5,-1)*(-3,6) and state whether the vectors are perpendicular. a. 21; no c. -21; no b. 21; yes d. -21
nataly862011 [7]

Answer:

c

Step-by-step explanation:

If the dot product of the vectors is zero then they are perpendicular

(5, - 1) • (- 3, 6)

= (5 × - 3) + (- 1 × 6) = - 15 + (- 6) = - 15 - 6 = - 21 ≠ 0

Since product is not zero vectors are not perpendicular

7 0
3 years ago
In Δ LMN, LM=10,LN=5, AND M< L=54*. FIND THE AREA OF LMN TO THE NEAREST TENTH OF A SQUARE UNIT
Setler [38]

Answer:

20.2 units²

Step-by-step explanation:

½ × 10 × 5 × sin(54)

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8 0
3 years ago
If f(x) =4x+12 is graphed on a coordinate plate what is the y intwrcept of the graph
Crank
In y=mx±b of slope-intercept form, the b is the y-intercept either positive or negative.

y=4x+12, in this case, 12 is your y-intercept!!

~~

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey
6 0
2 years ago
Five times a certain number, minus 5, is equal to 7 more than three times the number. What is the number
JulijaS [17]

Answer:

6

Step-by-step explanation:

let’s start with putting the unknown to x, in this case it is the number.

5x-5=7+3x, so now we just solve this equation.

5x-3x=7+5

2x=12

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4 0
2 years ago
. Ashley works in a shoe store. She earns $6.00 per hour plus $1.50 for each pair of shoes
tigry1 [53]

Answer: None

Step-by-step explanation: Her boss fired her...

3 0
2 years ago
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