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4 years ago

Calculate 1/4+(-5/12)+(-2/3)

Mathematics

2 answers:

Vesnalui [34]4 years ago

5 0

The answer would be 0.8333333333.

It is clear the answer would be repetitive.

So the final answer would be 0.83.

NemiM [27]4 years ago

4 0

-5/6 is your answer
1. Write all numerators above the common denominator.
2. Use addition and subtraction rules.
3. Rewrote the fraction.
4. Simplify

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(need done quickly)

djyliett [7]

The error is that he probably forgot the decimal point thus causing him to say '"hundred" instead of "and" for the decimal point.

3 0

3 years ago

Which set of ordered pairs represents y as a function of x?

givi [52]

I think the answer is j

7 0

3 years ago

The coordinate point F(-8, 0) after a dilation with scale factor of 0.25, centered at the origin, becomes the point

FrozenT [24]

Answer:

$(-2,\, 0)$ .

Step-by-step explanation:

Dilate a point $(x,\, y)$ by a scale factor of $r$ with $(a,\, b)$ as the center, and the resultant point would be at $(a + r\, (x - a),\, b + r\, (y - a))$ .

In this question:

Point to dilate: $(x,\, y) = (-8,\, 0)$ .

Scale factor: $r = 0.25$ .

Center of dilation: $(a,\, b) = (0,\, 0)$ .

The resultant point would be:

$(0 + 0.25\, (-8 - 0),\, 0 + 0.25\, (0 - 0))$ , which simplifies to $(-2,\, 0)$ .

5 0

3 years ago

How many times greater was the temperature in Miami (45) than the lowest in San Diego (25)

Greeley [361]

Answer:

<em>The temperature in Miami is 9/5 times the temperature in San Diego.</em>

Step-by-step explanation:

<u>Ratios</u>

To compare the temperature in Miami (45) with the temperature in San Diego (25), we use the division or ratio between both numbers:

$\displaystyle \frac{45}{25}$

Simplify the fraction dividing by 5:

$\displaystyle \frac{9}{5}$

Since the relation between them is 9/5, it means the temperature in Miami is 9/5 times the temperature in San Diego.

3 0

3 years ago

PLEASEHELP!

denis-greek [22]

You factor out primes from the root, for example:
root 100
you can get 10 from it, or we'll use 5

100/5=20
20/5=4
root 4= 2
because there are 2 "5" we can bring that out of the root, there are 2 "2" so we bring that out too.
When a number is taking out of a root, the 2 exact same numbers become one. in this case, there are ONE 5 and ONE 2 outside the root. then You multiply 5 and 2 together, and you get 10

6 0

3 years ago