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dangina [55]
3 years ago
12

What is 2/3x=10 one step equations

Mathematics
1 answer:
stellarik [79]3 years ago
7 0
Multiply both sides by three to get 2x=30
Then divide both sides by 2 to get x=15
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The number of seats in each row of a theater forms an arithmetic sequence. The fifth row contains 22 seats. The tenth row contai
beks73 [17]

Let s_n denote the number of seats in the n-th row. s_n is arithmetic, so

s_n=s_{n-1}+d

for some constant d.

We're told s_5=22 and s_{10}=37, so that

s_{10}=s_9+d

s_{10}=(s_8+d)+d=s_8+2d

s_{10}=(s_7+d)+2d=s_7+3d

and so on up to

s_{10}=s_5+5d\implies37=22+5d\implies5d=15\implies d=3

The pattern continues:

s_5=s_4+3

s_5=(s_3+3)+3=s_3+2\cdot3

and so on up to

s_5=s_1+4\cdot3\implies22=s_1+12\implies\boxed{s_1=10}

7 0
3 years ago
Read 2 more answers
Find the coordinates of the fourth vertex that completes the construction of the rectangle on the coordinate plane.
Marizza181 [45]
It’s C.
Just complete the rectangle. You’ll get it.
4 0
2 years ago
Jayna used the distributive property to simplify the expression 4(a + 2) and got(4a + 2). Do you agree with Jayna?
erastovalidia [21]

Answer:

No

Step-by-step explanation:

I would not agree with Jayna because using the distributive property, you can get:

4(a + 2) = 4(a) + 4(2) = 4a + 8

Jayna did not get the right answer because she did not distribute the 4 to the 2 in a + 2 and she only multiplied a by 4.

8 0
3 years ago
What’s equivalent to <br> 24 - 3 · 4 = 2 + 6
r-ruslan [8.4K]

Answer:4 2/7 - 6/7 = 24/

7

= 3 3/

7

≅ 3.4285714

Step-by-step explanation:

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2 years ago
In a science class each student must choose a lab project from a list of 15, write a paper on one of 6 topics, and give a presen
pishuonlain [190]

Answer:

720 ways

Step-by-step explanation:

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3 years ago
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