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IrinaK [193]
2 years ago
7

Are they equivalent please hurry

Mathematics
2 answers:
hodyreva [135]2 years ago
4 0

Answer:

no there not

Step-by-step explanation:

Trava [24]2 years ago
4 0

Answer:

no

Step-by-step explanation:

if you add -7x and - 6x you get -13x then you have to add x so you get -12x obviously showing that they are not equivalent.

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Solve for x please I need help
ser-zykov [4K]

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Step-by-step explanation:

8 0
2 years ago
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Given a triangle with angles of 23°, 90°, 67°.
marishachu [46]

The answer is that it's a right triangle. One angle is 90°

8 0
2 years ago
If every dimension of a two-dimensional figure is multiplied by k, by what quantity is the area multiplied?
Igoryamba
For example: Square has dimension a
A = a²  and if every dimension is multiplied by k new dimension would be:
A 1 = k² a² = k² A.
Or the area of rhombus: A = d1 * d 2 / 2
New area is: A 1 = k d 1 * k d 2 / 2 =  k² A
Answer: If every dimension of two-dimensional figure is multiplied by k, the area is multiplied by k².
8 0
2 years ago
A man has 33 coins in his pocket, all of which are dimes and quarters. If the total value of his change
kupik [55]

Answer:

Number of dimes = 16

Number of quarters = 17

====================================================

Work Shown:

d = number of dimes

q = number of quarters

d+q = 33 coins total, this solves to d = 33-q

10d = value of all the dimes in cents

25q = value of all the quarters in cents

10d+25q = 585 cents total

--------------

Plug in d = 33-q and solve for q

10d+25q = 585

10(33-q) + 25q = 585

330-10q+25q = 585

15q+330 = 585

15q = 585-330

15q = 255

q = 255/15

q = 17

The man has 17 quarters

d = 33-q = 33-17 = 16

He also has 16 dimes.

--------------

Check:

16 dimes + 17 quarters = 33 coins total

16 dimes = 16*10 = 160 cents

17 quarters = 17*25 = 425 cents

160 cents + 425 cents = 585 cents

The answer is confirmed.

3 0
2 years ago
What is the value of x in the equation ? (image below)
aev [14]

Answer: 2

Step-by-step explanation:

2.5(6x-4)=10+4(1.5+0.5x) [Work out the brackets]

15x-10=0+6+2x [Solve]

15x-10=16+2x [Convey the terms]

15x-2x=16+10 [Add up the same terms and calculate]

13x=26 [Divide both parts]

x=2

6 0
3 years ago
Read 2 more answers
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