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Fed [463]
3 years ago
12

Cary claimed that the expression −5+m−5+m

Mathematics
1 answer:
lubasha [3.4K]3 years ago
5 0

In general.,Cary’s claim is sometimes true, but in this particular expression Cary’s claim is always true

Step-by-step explanation:

The given expression is  −5+m−5+m

(-5) +(-5) = -10 and m+m = 2m

= -10+2m it is a negative expression

in mathematical addition (+) + (-) = - (minus)  or negative

In general.,Cary’s claim is sometimes true, but in this particular expression Cary’s claim is always true

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20 POINTS
chubhunter [2.5K]
Answer: 2 inches, 3 inches, or 3.125 and 2.083


Explanations:
The simplest way is to take 20% of the 2.5 inches and go that much above & below 2.5 inches.

2.5 x 20% = 2.5 x 0.20 = 0.5

So 2.5 - 0.5 = 2 inches was predicted
And 2.5 + 0.5 = 3 inches was predicted.

The more complicated way is to see number + 20% of that number = 2.5, and what number - 20% = 2.5.

Which solution sounds more like what you’re doing in class right now?

If it’s the more complicated way:

0.8x = 2.5 (80% of the predicted rain value equals 2.5)
x = 3.125 inches was predicted

1.2x = 2.5 (120% of the predicted rain value equals 2.5)
x = 2.083 inches was predicted

Sorry, this is probably confusing. Let me know what questions you have.
6 0
3 years ago
What is the REMAINDER of 15,908 divided by 13?
stellarik [79]
The remainder is 9........
6 0
3 years ago
Read 2 more answers
Kim purchased a desktop computer at Best Buy for 20% off the original price. If the original price of the desktop is $1500, how
Arturiano [62]

Answer:

So for this sale, you'll save $300.00 on this item.

This means, the cost of the item to you is

$1500 - $300.00 = $1200.00.

3 0
3 years ago
What does the y-intercept represent?
lara31 [8.8K]
Where a line goes across the y axis
Or in the formula y = mx + c, the y axis is represented by c
8 0
3 years ago
Read 2 more answers
A diameter of a circle has enpoints (-2, 10) and (6, -4) in the standard (x, y) coordinate plane. What is the center of the circ
wlad13 [49]

Answer:

The center of the circle is C(x,y) = (2, 3).

Step-by-step explanation:

The center of the circle is the midpoint of the segment between the endpoints. We can determine the location of the center by this vectorial expression:

C(x,y) = \frac{1}{2}\cdot R_{1}(x,y)+ \frac{1}{2}\cdot R_{2}(x,y) (1)

Where:

C(x,y) - Center.

R_{1} (x,y), R_{2} (x,y) - Location of the endpoints.

If we know that R_{1} (x,y) = (-2,10) and R_{2} (x,y) = (6,-4), then the location of the center of the circle is:

C(x,y) = \frac{1}{2}\cdot (-2,10)+\frac{1}{2}\cdot (6,-4)

C(x,y) = (-1, 5) + (3, -2)

C(x,y) = (2, 3)

The center of the circle is C(x,y) = (2, 3).

8 0
3 years ago
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