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wel
3 years ago
13

What is the simplified value of the expression below? 8.5 + (12 + 4) times 2 minus 7

Mathematics
1 answer:
Zolol [24]3 years ago
8 0

Answer:

33.5  

-by-step explanation:

8.5 + (12 + 4) × 2 - 7

Use PEMDAS ( I think this is right hope it helps!)

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Simplify the expression completely 125 1/3
Roman55 [17]
<h3>I'll teach you how to solve 125 1/3</h3>

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125 1/3

Convert mixed numbers to improper fractions:

125 1/3=

125*3+1/3=

376/3

Your Answer Is 376/3

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3 0
3 years ago
38,477 rounded to the nearest thousand
Ganezh [65]

Answer: i'm pretty sure it's 38,500

Step-by-step explanation:

4 0
2 years ago
Please help me solve this
Brilliant_brown [7]

Answer:

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4 0
3 years ago
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The equation of the line passing through the points (−10, 0) and (−8, 20) can be expressed as y = mx + b. Give the value of b.
weeeeeb [17]

Given are the two points (-10,0) and (-8,20), and equation of the line as y=mx+b.

We can plug the given values in the equation as follows :-

0 = -10m + b .........equation(1)

20 = -8m + b .........equation(2)

Subtracting equation(1) from equation(2)

20 - 0 = (-8m + b) - (-10m + b)

20 = -8m + b + 10m - b

20 = 10m - 8m

20 = 2m

m = 10

Plugging m=10 in the equation(1)

0 = -10(10) + b

0 = -100 + b

b = 100

So final answer is b = 100.

3 0
3 years ago
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An arithmetic sequence has this recursive formula: (a^1 =8, a^n= a^n-1 -6
eduard

Answer:

a_n = 8 + (n - 1) (-6)

Step-by-step explanation:

Given

a_1 = 8

Recursive: a_{n} = a_{n-1} - 6

Required

Determine the formula

Substitute 2 for n to determine a_2

a_{2} = a_{2-1} - 6

a_{2} = a_{1} - 6

Substitute a_1 = 8

a_2 = 8 - 6

a_2 = 2

Next is to determine the common difference, d;

d = a_2 - a_1

d = 2 - 8

d = -6

The nth term of an arithmetic sequence is calculated as

a_n = a_1 + (n - 1)d

Substitute a_1 = 8 and d = -6

a_n = a_1 + (n - 1)d

a_n = 8 + (n - 1) (-6)

Hence, the nth term of the sequence can be calculated usinga_n = 8 + (n - 1) (-6)

3 0
3 years ago
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