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Elis [28]
2 years ago
10

Which expression is equivalent to x + y + x + y + 3(y + 5)?

Mathematics
2 answers:
elixir [45]2 years ago
3 0

Answer:

C

Step-by-step explanation:

Nadusha1986 [10]2 years ago
3 0

Answer:

C

Step-by-step explanation:

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3 years ago
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A construction company wants to build an auditorium on a trapezium shaped plot measuring 410m2. One of the parallel sides of the
Assoli18 [71]

Answer:

other parallel side is 23m

Step-by-step explanation:

Let's assume other parallel sides as 'x'

One of the parallel sides of the trapezium plot measure 18m

so, y=18

distance between the two parallel sides measure 20m

so, h=20

now, we can use area of trapezium formula

A=\frac{1}{2}\times h \times (x+y)

now, we can plug values

A=\frac{1}{2}\times 20 \times (x+18)

we can set A=410

and then we can solve for x

410=\frac{1}{2}\times 20 \times (x+18)

10\left(x+18\right)=410

x+18=41

x=23


6 0
3 years ago
HELP!!!! Position and label the triangle on the coordinate plane
Darya [45]

Answer:

Option (2).

Step-by-step explanation:

It is given in the question,

ΔLMN is a right triangle with base LM = 3a units

Hypotenuse MN = 5a

By applying Pythagoras theorem in ΔLMN,

MN² = LM² + NM²

(5a)² = (3a)² + MN²

25a² - 9a² = MN²

MN = √16a²

MN = 4a

Therefore, vertices of the triangle will be L(0, 0), M(3a, 0) and N(0, 4a).

Option (2) will be the answer.

4 0
2 years ago
ANSWER AND EXPLAIN PLEASE ILL MARK BRAINLIEST
Arte-miy333 [17]
Solve for x by plugging in y, then plug x back in
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3 years ago
Please help me with this!!!
MrMuchimi

Answer:

yea

Step-by-step explanation:

4 0
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