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s344n2d4d5 [400]
3 years ago
9

Question 1* 10 points 2(x + 10) = 60 A. 25 B. -20 C. -25 D. 20

Mathematics
1 answer:
Lana71 [14]3 years ago
5 0

Answer:

d

Step-by-step explanation:

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(6 × 10^4 + 3 × 10^4)(3 × 10^2) What is the value of the expression in scientific notation?
LekaFEV [45]

Answer:

2.7x10^7 or 2.70000000 I think

Step-by-step explanation:

6 0
3 years ago
Explain why |−3| + |9| represents the distance between the points (−3, −5) and (9, −5). brainly
forsale [732]
Since -5 and -5 are the same number, they are on the same y axis so the only distance we need to calculate is between the X coordinates.

When looking for distance, you can not have a negative. what |-3|+|9| is looking for is the distance from 0 on the X axis. since distance can't be negative, (you go 3 miles away from your house in one direction, vs 3 miles in the opposite. both ways is positive, even with opposite directions. same with axis, it doesnt matter which way, only the number.) you need the absolute value of -3 to get the distance from the 0 on the x axis. 

short version: distance is positive, and its adding the distances from the x axis to get distance from each other
8 0
3 years ago
Read 2 more answers
Given Sn=2n^2 - 5n, find
brilliants [131]

Answer:

a) -3

b) 117

c) 100

Step-by-step explanation:

(a) 2(1)²-5(1)

1²= 1

2×1= 2

2-5= -3

(b) 2(9)²-5(9)

9²= 81

81×2= 162

162-45= 117

(c) 2(4)²-5(4) +2(8)²-5(4)

4²=16

16×2= 32

32-20= 12

8²=64

64×2= 128

128-40= 88

88+12= 100

hope it helps!

6 0
3 years ago
Which answer describes the calculations that could be used to solve this problem?
Zanzabum
THe answer to ur problem is:

A


8 0
3 years ago
Read 2 more answers
Scoateti factori de sub radical, apoi calculati:<br><br> v3 + 2v27 - v75
Temka [501]
I’m not sure if your asking help to factor the equation. Here is the answer to the equation that I factored. -v^3(v^72-2v^24 + 1) Hope that helps you.
5 0
3 years ago
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