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Mama L [17]
3 years ago
13

What is the sum of 1+3+5+7+...1209

Mathematics
1 answer:
Natalka [10]3 years ago
8 0

the sum of 1+3+5+7+1209 is.....1225

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Help with this math question please
gtnhenbr [62]
The answer is B x = -4. x= 3

You must factor the equation by find what 2 numbers can multiply to equal -12 and add to equal 1.

-3 and 4 are the two numbers. Now to put it in factor form would be:

(x - 3)(x + 4) = 0

They y also must equal zero.

Since its equals to 0, we must solve for x for the binomial.

x - 3 = 0 ; x = 3

x + 4 = 0 ; x = -4

The answer you get from solving x, is that answer
6 0
3 years ago
How much will a saver earn in 10 years on a $100 deposit that earns 5% compound interest (compound annually)?
andrezito [222]
They will earn $50 within ten years because the 5% gives five dollars a year for 10 years
4 0
3 years ago
Roberta Arthur had the following reciepts for the week of April 12th: 50$ gift; 25$ rebate; April 13th, 2.45$ refund on aluminum
oksian1 [2.3K]

Answer:

$329.44

Step-by-step explanation:

 $50-25= 25

 25.00-2.45=22.55

 299.89+22.55=322.44

322.44+7.00= 329.44

I didnt see april 15 if its supposed to be added i there just add 299.89 to the total.

7 0
3 years ago
The sum of the areas of two circles is 80 pi square meters find the length of the radius of a radius of each circle if one of th
Leno4ka [110]
Let x=small circle
2x = bigger circle

πx^2 + π(2x)^2 = 80π
x^2 + 4x^2 = 80
5x^2 = 80
x^2 = 16
x = +/- 4
but we need the positive one because there's no negative measurement so
the answers are:
4m and 8m
3 0
3 years ago
What is the slope of the line from November to December
Wittaler [7]
It is (D) I believe. From what I can see it is going down from 1.40 to 1.39 from November to December which is a loss of 0.01 
3 0
3 years ago
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