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vazorg [7]
3 years ago
10

1+1=? Easiest 5 points! I know answer but I am giving away points for something that everyone knows.

Mathematics
2 answers:
astraxan [27]3 years ago
7 0
The correct answer is 1 + 1 = 2
devlian [24]3 years ago
5 0

Answer:

2

Step-by-step explanation:

<u>Step 1:  Add the numbers together</u>

1 + 1

2

Answer:  2

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Find the measure of angle 3.
Iteru [2.4K]

Answer:

B. 45

Step-by-step explanation:

If im wrong please let me know

Have a nice day :)

8 0
2 years ago
Need help asap in a hurry, please. Doing a budget The gross income is $54,000.
ZanzabumX [31]
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8 0
2 years ago
Can someone answer this please
yanalaym [24]

Answer:

x=7

Step-by-step explanation:

8x-5y=16

8x-40=16

8x=56

x=7

8 0
2 years ago
Use sigma notation to represent the sum of the first seven terms of the following sequence -4,-6,-8.....
lina2011 [118]

Answer:Answer:

\sum\left {{7} \atop {1}} \right -n(3+n)

Step-by-step explanation:

Given the sequence -4,-6,-8..., in order to get sigma notation to represent the sum of the first seven terms of the sequence, we need to first calculate the sum of the first seven terms of the sequence as shown;

The sum of an arithmetic series is expressed as S_n = \frac{n}{2}[2a+(n-1)d]

n is the number of terms

a is the first term of the sequence

d is the common difference

Given parameters

n = 7, a = -4 and d = -6-(-4) = -8-(-6) = -2

Required

Sum of the first seven terms of the sequence

S_7 = \frac{7}{2}[2(-4)+(7-1)(-2)]\\\\S_7 =  \frac{7}{2}[-8+(6)(-2)]\\\\S_7 =  \frac{7}{2}[-8-12]\\\\\\S_7 = \frac{7}{2} * -20\\\\S_7 = -70

The sum of the nth term of the sequence will be;

S_n = \frac{n}{2}[2(-4)+(n-1)(-2)]\\\\S_n = \frac{n}{2}[-8+(-2n+2)]\\\\S_n = \frac{n}{2}[-6-2n]\\\\S_n =  \frac{-6n}{2} -  \frac{2n^2}{2}\\S_n = -3n-n^2\\\\S_n = -n(3+n)

The sigma notation will be expressed as \sum\left {{7} \atop {1}} \right -n(3+n). <em>The limit ranges from 1 to 7 since we are to  find  the sum of the first seven terms of the series.</em>

3 0
2 years ago
What is the solution to this equation
Lelechka [254]

Answer:

Step-by-step explanation:

its B

3 0
3 years ago
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