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rosijanka [135]
2 years ago
13

Solve for x: 2x +3=9

Mathematics
2 answers:
olya-2409 [2.1K]2 years ago
7 0

Answer:

x=3

Step-by-step explanation:

2(3)+3=9

6+3=9

9=9

pishuonlain [190]2 years ago
4 0

Answer: x=3

<u>Subtract 3 from both sides</u>

<u></u>2x+3-3=9-3\\2x=6<u></u>

<u></u>

<u>Divide both sides by 2</u>

<u></u>2x/2=6/2\\x=3<u></u>

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Dan buys a car for £2200.
KatRina [158]

Answer:

The worth of the car after 6 years is £2,134.82

Step-by-step explanation:

The amount at which Dan buys the car, PV = £2200

The rate at which the car depreciates, r = -0.5%

The car's worth, 'FV', in 6 years is given as follows;

FV = PV \cdot \left ( 1 + \dfrac{r}{100} \right )^n

Where;

r = The depreciation rate (negative) = -0.5%

FV = The future value of the asset

PV = The present value pf the asset = £2200

n = The number of years (depreciating) = 6

By plugging in the values, we get;

FV = 2200 \times \left ( 1 + \dfrac{-0.5}{100} \right )^6 \approx 2,134.82

The amount the car will be worth which is its future value, FV after 6 years is FV ≈ £2,134.82 (after rounding to the nearest penny (hundredth))

8 0
3 years ago
What is m angle ABC​
victus00 [196]

Answer:

3rd option: 60 degrees

Step-by-step explanation:

We can see in the diagram that the angle on C is a supplementary angle, which means that the sum of 135 and internal angle will be equal to 180 degrees.

Let x be the internal angle,

Then

x+135 = 180

x = 180-135

x = 45 degrees

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Also we know that sum of all internal angles of triangle is 180 degrees.

Using the same postulate:

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75 + B + 45 = 180

120+B = 180

B = 180 - 120

B = 60 degrees

So,

third option is the correct answer ..

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Step-by-step explanation

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3 years ago
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