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nlexa [21]
2 years ago
11

X+4+3x=72 x+4+3x=72 .

Mathematics
1 answer:
Aneli [31]2 years ago
4 0

Answer:

yes it does equal 72

Step-by-step explanation:

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What is the greatest value of 2,463.9051
RoseWind [281]

Hey There @Bre18016,

The answer is \boxed{2}

The greatest value of 2,463.9051 would be the thousands place (2) simply as it is the biggest number out of the other places.

For instance, if we had the number 300, 3 would be the greatest value.

Or let's say we had 10,000 the 1 would be the greatest value.

Furthermore, you could look at the first digit in the entire number to deter mine the greatest value.

6 0
3 years ago
Janine wants a necklace 20 beads long. She needs ..... red beads and ..... blue beads.
Tcecarenko [31]

10 red beads

10 blue beads

10 + 10 = 20

4 0
3 years ago
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Show the processes for solving 2x+3y=5 and 4x - y=17 using elimination and substitution
r-ruslan [8.4K]

<u>ANSWER:  </u>

The solution of the two equations 2x+3y=5 and 4x - y=17 is (4, -1).

<u>SOLUTION: </u>

Given, two linear equations are 2x + 3y = 5 → (1) and 4x – y = 17 → (2).

Let us first solve the above equations using <em>elimination process. </em>

For elimination, one of the coefficients of variables has to be same in order to cancel them.

Now solve (1) and (2)

eqn (1) \times 2 → 4x + 6y = 10

eqn (2) → 4x – y = 17

(-) ----------------------------

     0x + 7y = -7

y = -1

Substitute y value in (2)

4 x-(-1)=17 \rightarrow 4 x+1=17 \rightarrow 4 x=17-1 \rightarrow 4 x=16 \rightarrow x=4

So, solution of two equations is (4, -1).

<u><em>Now let us solve using substitution process.</em></u>

Then, (2) → 4x – y = 17 → 4x = 17 + y → y = 4x – 17

Now substitute y value in (1) → 2x + 3(4x – 17) = 5 → 2x + 12x – 51 = 5 → 14x = 5 + 51 → 14x = 56  

x = 4

Substitute x value in (2) → y = 4(4) – 17 → y = 16 – 17 → y = -1

Hence, the solution of the two equations is (4, -1).

7 0
3 years ago
You have 36 pages to read for homework. In 5 minutes you read 10 page if you countinue to read at the same rate how many times w
kykrilka [37]

Answer:

18 minutes

Step-by-step explanation:

5 mins = 10 pages

10 mins = 20 pages

15 mins = 30 pages

20 mins = 40 pages

Just keep adding 5 to the minutes and 10 to the pages. then if you divide 10 by 5 (10÷5) you get 2.

2 is the amount of pages you read in 1 minute.

so 1 minute = 2 pages

Since you only need to read 36 pages, you know that it would at least take you 15 mintes to read 30.

then you start adding 1 minute until you get to 36 pages.

15 minutes = 30 pages

16 minutes = 32 pages

17 minutes = 34 pages

18 minutes = 36 pages

Therefore, it should take 18 minutes to read all 36 pages.

(A shorter way of doing this would be doing 10÷5=2, then just dividing 36 by 2 (36÷2) and you would get 18 which would be the minutes it would take you to read all 36 pages if you read at 2 pages per minute.)

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3 years ago
10 POINTS!!
goblinko [34]

Answer:

Step-by-step explanation:

3 0
3 years ago
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