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horrorfan [7]
3 years ago
8

What is 2+(-10)=I need help

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
5 0

2 + (-10) =

= 2 - 10

= -8

Ghella [55]3 years ago
5 0
So you always do () first and -10 is -8
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Evaluate the limit, if it exists. Show work. lim┬(x→5)⁡〖(x^2-3x-10)/(2x-10)〗
BARSIC [14]

Hello, first of all we can notice that

5^2-3*5-10=25-15-10=0

and

2*5-10=0

and 0 divided by 0 is undetermined.

So, we need to factorise and simplify first.

x^2-3x-10=(x-5)(x+2)\\\\\text{Because we already known that 5 is a zero...}\\\\\text{... and the sum of the zeroes is 3 = 5 - 2 and the product is -10 = 5 * (-2).}

For x different from 5, we can write

\dfrac{x^2-3x-10}{2x-10}=\dfrac{(x-5)(x+2)}{2(x-5)}=\dfrac{x+2}{2}

So, the limit when x tends to 5 is

\dfrac{5+2}{2}=\boxed{\dfrac{7}{2}}

Thank you

5 0
4 years ago
The area of a rectangle is 1,176 square meters. The width of the rectangle is 21 meters. What is the length of the rectangle?
mart [117]
The answer to your question is 56.
If the area is 1176 and the width is 21 then there is just a single variable the length.

1176=21x

Solve this to get 56.
3 0
3 years ago
Read 2 more answers
Middle school problem attached :D
suter [353]

Answer: $638.40

Step-by-step explanation:

45% converted to a decimal is 0.45

0.45 of $1200 = 0.45* $1200 (of in this case means multiply)

0.45 * $1200= $440

Because they said 11% of remaining salary, we have to do:

$1200-$440=$760

Now 11% converted to a decimal is 0.11

5% converted to a decimal is 0.05

So 0.11+0.05

0.11+0.05= 0.16

Now 0.16 *$760=$121.60

Now we find the remaining amount so we subtract: $760-$121.60= $638.40

So our answer is $638.40 left

7 0
2 years ago
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STATISTICS HELP. PLEASE I WILL MARK BRAINLIEST!!
Rudiy27

There is a 40% possibility of making 0 points.

There is a (.6)(.4) = 24% possibility of making 1 point.

There is a (.6)(.6) = 36% possibility of making 2 points.

Expected value = 0 * .40 + 1 * .24 + 2 * .36 = 0.96  

a) She is most likely to make 0.96 points.

b)  

Expected value = 0 * ( .4) + 1 * (.6)(.3) + 2 * (.6)(.7)  

she is most likely to make 1.8 points.


Hope I helped.

Could you please mark me brainliest.

6 0
4 years ago
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Which statement best describes the expression 3 y ÷ 2?
babymother [125]
The answer is c so i would pick that beacuse its sounds like a correct answer.
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