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koban [17]
3 years ago
11

How many solutions exist for the given equation? 0.75(x+40)=0.35(x+20)+0.35(x+20)please hurry

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0

Answer:

only one

Step-by-step explanation:

0.75x+30=0.35x+7+0.35x+7

x=-320

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I know how to do this and the teacher don't teach it right so I don't get how to do it at all
Kobotan [32]
I dont have time to do all of these right now my apolgies but Ill explain how to do it.

The 3 angles of a triangle add up to 180.

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1. 58 degrees

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If we add together the first two angles,
92+30= 122
Knowing the total addition of all three angles would ne 180, we can subtract 122 from it to get the third angle.
180-122= 58

So we now know the last angle is 58 degrees because

92+30+58=180
4 0
3 years ago
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What is the measure of the indicated angle?
snow_lady [41]

Answer:

110

Step-by-step explanation:

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Gennadij [26K]
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8 0
3 years ago
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Construct the exponential function that contains the points (0,2) and (3,54)
erma4kov [3.2K]

The exponential function that passes through (0,2) and (3,54) is a growth function

The exponetial function is y = 2 * 3^x

<h3>How to construct the exponential function?</h3>

The points are given as:

(x,y) = (0,2) and (3,54)

An exponential function is represented as:

y = ab^x

Substitute the points in the equation

2 = ab^0 and 54 = ab^3

Solve 2 = ab^0

a = 2

Substitute 2 for a in 54 = ab^3

54 = 2b^3

Divide by 2

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Take the cube roots of both sides

b = 3

So, we have:

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This becomes

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Hence, the exponetial function is y = 2 * 3^x

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brainly.com/question/24077767

8 0
2 years ago
Please help with these 2 answers i only have 10 minutes left
natta225 [31]

Answer:

  1. 1/4 of a pound
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Step-by-step explanation:

For number 1:

  1. 3/4 ÷ 3 = 0.25
  2. 0.25 = 1/4

For number 2:

  1. 4/5 ÷ 3 = 4/15

I hope this helps!

5 0
3 years ago
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