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makvit [3.9K]
2 years ago
11

Find the sum of the first 50 terms. 10-2/11n

Mathematics
1 answer:
Alexus [3.1K]2 years ago
6 0

Answer:

in picture

yw :D

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3x^2 - x - 10
kramer
One way is to factor it
trial and error, with experience
(3x+5)(x-2)

answer is C
7 0
3 years ago
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Please help. I’m in a mastery test and keep getting the same one incorrect. This is my last chance.
iren [92.7K]
QR=5.25 PR=5 PQ=6.25
4 0
3 years ago
For the piecewise function, find the values g(-1), g(2), and g(5). g(x)= x+4, for x≤2 9-x, for x>2​
Lelechka [254]

Answer:

g(-1) = 3, g(2) = 6, g(5) = 4

Step-by-step explanation:

Please refer to attached photo. (Apologies for the terrible handwriting.)

From here we can see,

g(x) = x + 4 applies for values x less than or equal to 2.

g(x) = 9 - x applies for values x more than 2 (which does not include 2.)

g(-1):

Since -1 < 2,

g(-1) = -1 + 4 = 3

g(2) = 2 + 4 = 6

g(5):

Since 5 > 2,

g(5) = 9 - 5 = 4

7 0
2 years ago
Use the number line to add the fraction. A number line ranging from negative 1 and 3 tenths to positive 9 tenths Drag and drop t
Lunna [17]

Answer:

1/10

Step-by-step explanation:

1

Find the Least Common Denominator (LCD) of 25,12\frac{2}{5}, \frac{1}{2}​5​​2​​,​2​​1​​.

Method 1: By Listing Multiples

List out all multiples of each denominator, and find the first common one.

Multiples of 5

: 5, 10, ...

Multiples of 2

: 2, 4, 6, 8, 10, ...

Therefore, the LCD is 101010.

Method 2: By Prime Factors

Since 5,25,25,2 are prime numbers themselves, we simply multiply them to get the LCD.

Therefore, the LCD is 5×2=105\times 2=105×2=10.

LCD = 101010

2

Make the denominators the same as the LCD.

−2×25×2+1×52×5-\frac{2\times 2}{5\times 2}+\frac{1\times 5}{2\times 5}−​5×2​​2×2​​+​2×5​​1×5​​

3

Simplify. Denominators are now the same.

−410+510-\frac{4}{10}+\frac{5}{10}−​10​​4​​+​10​​5​​

4

Join the denominators.

−4+510\frac{-4+5}{10}​10​​−4+5​​

5

Simplify.

110\frac{1}{10}​10​​1​​

5 0
3 years ago
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Whats the greatest common factor of 13 and 26 .
Lera25 [3.4K]
2 x 13=26
1 x 26= 26
answer is 26

8 0
3 years ago
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