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sladkih [1.3K]
3 years ago
5

Answer each question about the following

Mathematics
2 answers:
Softa [21]3 years ago
4 0

Answer:

What is the value of the arithmetic series?

S4=78

Step-by-step explanation:

DIA [1.3K]3 years ago
3 0

Answer:

s=7/9

 i hope this help

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Alvin is 11 years younger than Elga. The sum of their ages is 43. What is elgas age
Neporo4naja [7]

Answer:

16

Step-by-step explanation:

Lets assume x is Elgas' age

And y is Alvins age

we know that alvin is 11 years younger than Elga which means,

x=y+11

and the sum of their age is 43

x+y=43

solve it and you get 16

5 0
3 years ago
Help me Assap step by step
Anon25 [30]

Answer:  F) 7 mph

<u>Step-by-step explanation:</u>

The line you drew is correct but you read the graph wrong.  

The line drawn from 15 hours of training (bottom axis) meets the "line of best fit" at the average running speed (left axis) between 6 and 8, which is 7.

6 0
3 years ago
1/4 + 3/8 hdjjdjdjdhdjdjejdj
KatRina [158]
5/8
You have to set the denominators equal to each other. 
(1/4 = 2/8)
8 0
3 years ago
Read 2 more answers
This is for someone I know. They got banned. Please don't troll.
Ede4ka [16]

Answer:

4 cm

Step-by-step explanation:

The ratio of AD to DC is 6:12 which is equivalent to 1:2.  For the ratio of WZ to ZY, we want to find half of 8 cm from ZY, for this case, it is 4 cm which makes the ratio 4:8.

4 0
3 years ago
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Find any two rational number between 1/5 &amp;2/7​
Sergeu [11.5K]

Answer:

8/35,9/35

Step-by-step explanation:

L.C.M. of 5 and 7=5×7=35

1/5×7/7=7/35

2/7×5/5=10/35

numbers between 7/35 and 10/35 are 8/35,9/35

actually there are infinite numbers

like 71/350,72/350,73/350,...

4 0
3 years ago
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