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Burka [1]
3 years ago
11

Solve 0.7(5x+15)=2.9-(x+3)

Mathematics
1 answer:
Anni [7]3 years ago
6 0
0.7(5x+15)=2.9 -(x+3)
3.5x+10.5=2.9-x-3
3.5x+10.5= -0.1- x
4.5x= -10.6
x= -2.3555...

Check:
0.7(5(-2.3555...) +15) = 2.9 -(x+3)
2.2555... = 2.2555...
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Step-by-step explanation:

AxB in sets is called Cartesian product. And is defined as a set of ordered pairs (a,b) where a belongs to A and b belongs to B.

Given

A = {a,b,c,d,e}

B = {1,2,3,4,5}

The number of elements for Cartesian product of two sets is determined by:

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Here

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So,

n(AxB) = 5*5 = 25

Hence,

n(AxB) = 25

Keywords: Sets, Cartesian Product

Learn more about sets at:

  • brainly.com/question/5102020
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3 years ago
Find the equivalent expression 9 ( 2a + 1
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Answer:

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Step-by-step explanation:

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Given the expression: 9(2a+1)

Apply the distributive property:

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RoseWind [281]

Answer:

The first option is the correct option

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From the question  the slope  AC is evaluated as

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