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2 years ago

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Mathematics

2 answers:

const2013 [10]2 years ago

8 0

B or c . I think it’s b though I don’t know for sure

Phantasy [73]2 years ago

3 0

Answer:

The answer is B

Step-by-step explanation:

It becomes 8y = -3x + 12.

Then divide by 8 on both sides.

y = -0.375+1.5

This you can turn it into a fraction which is y = -3/8 + 1.5

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What number is 1/8 of 1000

Novosadov [1.4K]

125 because 1000÷8=125

3 0

3 years ago

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Convert from Decimal Notation to Scientific Notation

Brrunno [24]

Answer:

Hence, 87,50,000 can be expressed as $8.75 \times 10^{6}$ .

Step-by-step explanation:

- Given 87,50,000

- Use given, move the decimal point so that first factor is greater than or equal to 1 but less than 10 .

- Then count n and write in scientific notation.

Step 1 of 1

Consider 87,50,000.

8.75

So, 8.75 lies between 1 & 10 .

Now, Decimal moved to 6 places at left.

$8.75 \times 10^{6}$

So, $87,50,000=8.75 \times 10^{6}$ .

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2 years ago

Two fair number cubes are rolled. State whether the events are mutually exclusive. Explain your reasoning.

liubo4ka [24]

The answer is B because if you think about it for example if the number is 4 and 4 it would give you 8 but that’s even and if you take 3 and 3 will give you 6 also another even so if you have the same two number you can always divide it by two
Hope this helps

7 0

3 years ago

A swimming pool is being filled at the rate of 54 pt/min (pints per minute). How many quarts per hour is this?

Rainbow [258]

Answer:

Approximately $1620\; \text{quart} / \text{hour}$ .

Step-by-step explanation:

The given quantity was in the unit $\displaystyle \frac{\text{pint}}{\text{minute}}$ while the required quantity should have the unit $\displaystyle \frac{\text{quart}}{\text{hour}}$ . It would thus be necessary to use conversion factors of the following forms:

$\begin{aligned}\frac{\text{pint}}{\text{minute}} \times \underbrace{\frac{\text{minute}}{\text{hour}} \times \frac{\text{quart}}{\text{pint}}}_{\text{conversion factors}} &= \frac{\text{quart}}{\text{hour}} \end{aligned}$ .

Make use of the fact that:

$1\; \text{pint} = 0.5\; \text{quart}$ , and
$60\; \text{minute} = 1\; \text{hour}$ .

Rearrange the equation $1\; \text{pint} = 0.5\; \text{quart}$ to obtain the conversion factor:

$\begin{aligned} 1 &= \frac{0.5\; \text{quart}}{1\; \text{pint}}\end{aligned}$ .

Similarly, rearrange the equation $60\; \text{minute} = 1\; \text{hour}$ to obtain the conversion factor:

$\begin{aligned} 1 &= \frac{1\; \text{hour}}{60\; \text{minute}}\end{aligned}$ .

Combine both conversion factors and evaluate:

$\begin{aligned} & 54\; \frac{\text{pint}}{\text{minute}} \\ =\; & 54\; \frac{\text{pint}}{\text{minute}} \times \frac{0.5\; \text{quart}}{1\; \text{pint}} \times \frac{60\; \text{minute}}{1\; \text{hour}} \\ =\; & (54 \times 0.5 \times 60) \; \frac{\text{pint} \times \text{quart} \times \text{minute}}{\text{minute} \times \text{pint} \times \text{hour}} \\=\; & 1620\; \frac{\text{quart}}{\text{hour}}\end{aligned}$ .

5 0

3 years ago

Read 2 more answers

What is the measure of ? Four-sided figure divided into four triangles. Triangle on top has angles labeled two, forty-one degree

Triss [41]

The missing angles are the one with labels 1, 2, 3, 4.
180 = 43 + 69 + X
180 = 112 + X
X = 68 (1)

180 = 112 + 41 + Y
180 = 153 + Y
Y = 27 (2)

180 = 44 + 66 + Z
180 = 110 + Z
Z = 70 (3)

180 = 109 + 29 + Z
180 = 138 + Z
Z = 42 (4)

8 0

3 years ago

Need help ASAP (IMAGE ATTACHED)​

Need help ASAP (IMAGE ATTACHED)