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stepladder [879]
3 years ago
6

What is the value of 8m + 5n when m = 4 and n = 10?

Mathematics
1 answer:
Stels [109]3 years ago
4 0

Answer:

82

Step-by-step explanation:

m = 4

8m = 4 x 8 = 32

n = 10

5n = 5 x 10 = 50

32 + 50 = 82

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Rewrite 7 − 8 using the additive inverse
DedPeter [7]

Answer:

-8 + 7

Step-by-step explanation:

7 - 8 = -1

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7 0
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Why couldn't you use synthetic division for the following problern? Make sure to explain fully.
yawa3891 [41]
Because x²+1 has an imaginary solution so you can’t find a value to put on the side for synthetic division
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3 years ago
A mouse climbs up a well of 86 meters. It advances 14 meters during the night, but during the day it retreats 2. The mouse will
Deffense [45]

Step-by-step explanation:

we assume day and night are equally long.

and the mouse will start at night of day 1.

then, on day 2, it will first retreat 2 meters (during daylight) and then advance 14 meters (at night).

so, on every full day, the mouse will effectively advance 12 meters (-2 + 14 = 12).

with a starting value of 14 (the first night).

so, we are getting an arithmetic sequence

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c = 12 in our case.

a1 = 14

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at what n will it reach 86 ?

86 = 14 + 12(n-1) = 14 + 12n - 12 = 2 + 12n

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so, on the 7th day the mouse will reach the surface (if we truly count the first starting night day 1 - this is up to your teacher, but I would).

7 0
2 years ago
What is 1+1-15x15................................
Stels [109]

Answer:

223

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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Keith_Richards [23]
M= -3
b= 19

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