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MrMuchimi
3 years ago
9

Adding and subtracting rational numbers (-3/5)-6/9-(-4/5)

Mathematics
1 answer:
Arisa [49]3 years ago
4 0

Answer:-7/15

Step-by-step explanation:

-3/5-6/9+4/5= -7/15

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Use an equation to find the value of k so that the line that passes through (-2,k) and (2,0) has a slope of m=-1
Dima020 [189]

Answer:

The value of k is 4.

Step-by-step explanation:

To find the missing coordinate, we can use the slope equation and plug in all known values.

m(slope) = (y2 - y1)/(x2 - x1)

-1 = (k - 0)/(-2 - 2)

-1 = k/-4

Now we can solve using cross multiplication.

-1 = k/-4

k*1 = -1*-4

k = 4

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3 years ago
Which is the graph of y – 3 = (x + 6)? A coordinate grid with a line passing through the points at (negative 3, 1), (0, negative
musickatia [10]

Answer:

A and D

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The temperature in Quebec City was 5°C at 4 pm. By midnight, the temperature dropped 15 degrees.
TEA [102]

Answer:

Point A.

Step-by-step explanation:

We know that the temperature dropped 15 degrees, and that it was initially of 5°C. So, by midnight, the temperature will be of -10°C (5-15=-10).

We also know that the distance between points is of 5°C. So, the point that we have to mark is point A, which represents -10°C.

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karie builds a skate ramp with 2 metres of wood. she wants the vertical height of the ramp to be 1 metre. what does the angle el
MA_775_DIABLO [31]

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Answer:

  30°

Step-by-step explanation:

The relationship between triangle sides and angles can be remembered using the mnemonic SOH CAH TOA. Here, we're interested in the relationship involving the hypotenuse and the side opposite the angle:

  Sin = Opposite/Hypotenuse

For a ramp 1 m high and 2 m long, we have ...

  sin(x) = (1 m)/(2 m) = 1/2

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4 0
3 years ago
Martin has 5/6 of a pizza Liam has four times as much pizza is Martin how much pizza does Liam have? (Put it in a fraction)
djverab [1.8K]

Answer:

The pizza of martin is \dfrac{4}{5}

Step-by-step explanation:

Given that,

Martin has \dfrac{5}{6} of pizza.

Liam has four time much pizza.

Let us consider pizza is x.

We need to calculate the how much pizza of martin

Using given data

Pizza of Martin =x\times\dfrac{5}{6}

Pizza of Liam = 4\times(\dfrac{5}{6}x)

The pizza of martin will be

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Pizza\ of\ martin =\dfrac{4}{5}

Hence, The pizza of martin is \dfrac{4}{5}

6 0
3 years ago
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