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stira [4]
3 years ago
9

Find x when y = 3 in the literal equation 3x + 6y= 24. A. 3 B. 18 C. 6 D. 2

Mathematics
2 answers:
svetlana [45]3 years ago
8 0

Answer:

D. 2

Step-by-step explanation:

Substitute y with 3

3x+18=24

Move 18 to the other side by subtracting by 18

3x=6

Divide 3 on both sides

x=2

Hope this helps!

alekssr [168]3 years ago
3 0

Answer: It is D

Step-by-step explanation:

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Marcia has 412 flowers for centerpieces she uses 8 flowers for each center how many center pieces can she make
a_sh-v [17]

Answer:

5l.5

Step-by-step explanation: 412 divieded into 8 is 51 or 51.5

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3 years ago
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Jacob buys 3 hot dogs and a $1 soda.he spent $5.50 in all.what is the cost of one hot dog?
Margaret [11]
It would be $1.50 because if the soda's $1 then subtract it and divide that by the quantity.
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A dinosaur fossil is 91,910,000 years old. how can you express this age in scientific notation with the highest level of precisi
Harlamova29_29 [7]
<span>91,910,000 years
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3 years ago
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Please help me asap! Could you please explain how you got the answer
svetoff [14.1K]

Answer:

B) 23

Step-by-step explanation:

Table:          <u>  Algebra | No algebra | Total</u>

Physics        |      4           Step 1: 8      12

No physics  |Step 2: 15

Total            |      19                              30

We look for the number of people who are in algebra and no physics or physics and no algebra.

1. 12 - 4 = <em>8</em>

2. 19 - 4 = <em>15</em>

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7 0
3 years ago
Compute the distance between (9,-5,4) and (-10,3,4)
Kitty [74]

Answer:

~20.6155

Step-by-step explanation:

To compute distance between two points, we can get the vector from one to the other by subtracting them and then computing the length of the vector.

The length of a vector V is:

|V| = \sqrt{\sum_{i=1}^n v_i^2}\\

The vector is:

(9, -5. 4) - (-10, 3, 4) = (9 + 10, -5 - 3, 4 - 4) = (19, -8, 0)

So the length is:

\sqrt{19^2 + (-8)^2} = \sqrt{361 + 64} = \sqrt{425} = \sqrt{5\cdot 5\cdot 17} = 5\sqrt{17} \approx 20.6155281281

6 0
3 years ago
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