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kolezko [41]
3 years ago
11

PLEASE ANSWER THIS ASAP

Mathematics
2 answers:
Ksju [112]3 years ago
6 0

Answer:

8,5

Step-by-step explanation:

5*8-2y=30

40-30=2y

10=2y

y=10/2

y=5

jek_recluse [69]3 years ago
4 0

Answer: The answer is 5!

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Can two rectangles with the same side lengths be congruent
sveta [45]

Answer:

the angles in squares and rectangles it's always 90° so two squares or two rectangles with same side lengths are congruent.

8 0
2 years ago
Read 2 more answers
What is the sum of the first 37 terms of the arithmetic sequence?
lidiya [134]

Answer:

The sum of the first 37 terms of the arithmetic sequence is 2997.

Step-by-step explanation:

Arithmetic sequence concepts:

The general rule of an arithmetic sequence is the following:

a_{n+1} = a_{n} + d

In which d is the common diference between each term.

We can expand the general equation to find the nth term from the first, by the following equation:

a_{n} = a_{1} + (n-1)*d

The sum of the first n terms of an arithmetic sequence is given by:

S_{n} = \frac{n(a_{1} + a_{n})}{2}

In this question:

a_{1} = -27, d = -21 - (-27) = -15 - (-21) = ... = 6

We want the sum of the first 37 terms, so we have to find a_{37}

a_{n} = a_{1} + (n-1)*d

a_{37} = a_{1} + (36)*d

a_{37} = -27 + 36*6

a_{37} = 189

Then

S_{37} = \frac{37(-27 + 189)}{2} = 2997

The sum of the first 37 terms of the arithmetic sequence is 2997.

6 0
3 years ago
Y= -3x+4 standard form
Hunter-Best [27]
Y = -3x + 4 = Slope-intercept form
Y + 3x = 4 = Standard form
8 0
3 years ago
What is the value of x?
Ksenya-84 [330]

Answer:

20

Step-by-step explanation:

2x - 5 = x + 15

2x - x = 5 + 15

x = 20

5 0
2 years ago
The cost of 16 television sets is $640,160. What is the cost of 1 television set? (Round off the amount to the nearest thousand
Liono4ka [1.6K]

Answer:

$40000

Step-by-step explanation:

640160≈640000

640000/16=40000

5 0
3 years ago
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