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ahrayia [7]
2 years ago
5

Find a_4 and a_n for the arithmetic sequence. a_6= -15, a_8= -7 .

Mathematics
1 answer:
kiruha [24]2 years ago
8 0
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What is the value of a?<br> 45°<br> (2x-5)
aniked [119]

Answer:

x=70

Step-by-step explanation:

To solve this problem, you set up the equation 45+(2x-5)=180

Next, subtract 45 from 180 to get the equation 2x-5=135

After that, add 5 to 135 to get 2x=140

Divide 140 by 2 to get X=70

7 0
3 years ago
Mrs.fan wrote 5 tenths minus 3 hundredths on the board. Michael said the answer is 2 tenths because 5 minus 3 is 2. Is he correc
yKpoI14uk [10]
0.5 - 0.03 = 0.47
2 tenths= 0.2
5 tenths and 3 hundredths are not similar units so you can't simply subtract 5 and 3. The correct answer is 0.47.
3 0
3 years ago
Simplify :<br> 26-10/2x5+3
zvonat [6]

Answer:

16/13 is the answer.

26-10 is 16 and 2x5+3 is 13

4 0
3 years ago
Read 2 more answers
How to solve b/2= -4
kobusy [5.1K]

Answer:

b = -8

Step-by-step explanation:

crossmultiply

6 0
3 years ago
a box of cereal weighs 550 g. There is enough cereal for 10 servings. How many grams of cereal are there per serving?
prisoha [69]

Answer:

55 grams per serving

Step-by-step explanation:

To find the number of grams per serving, we take to total grams and divide by the number of servings. The total grams is 550 and the number of servings is 10

grams per servings = 550/10 = 55 grams per serving


7 0
3 years ago
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