3 years ago

What is the value for x in this equation? 42x – 3 = 7.27

Mathematics

2 answers:

Flauer [41]3 years ago

6 0

x = 0.2445238 is the only answer I found.

Arlecino [84]3 years ago

3 0

Answer:

-0.245 is the closest answer

Step-by-step explanation:

You have to add

7.27 + 3= 10.27

Then you divide

10.27/42x = -0.245

Hope this helped have a good day ;) please mark me the brainliest answer?

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Sara and Collin's ages add up to 85. Sara is ten years older than foustimes

malfutka [58]

Answer:

Collin is 37.5 and Sara is 47.5

Step-by-step explanation:

s+c=85

c+10=s

(c+10)+c=85

2c+10=85

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c=37.5

s+(37.5)=85

s=47.5

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3 years ago

What is the resulting ordered pair if the value of the independent variable is x=-3?f(x) = –2x-3

ludmilkaskok [199]

I hope this helps you

x= -3

f (-3)= -2.(-3)-3

f (-3)= 6-3

f (-3)=3

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3 years ago

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dalvyx [7]

Answer:

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3 years ago

Find the surface area of the triangular pyramid. The side lengths of the base are equal.

mestny [16]

Answer:

522.0

Step-by-step explanation:

10*6=60

60*8.7=522.0

or you can take out the zero either way that's the answer

6 0

3 years ago

Read 2 more answers

If f(x)=2x+1 and g(x)=x^2-1, find (f/g)(x)

Debora [2.8K]

Given : f(x)=2x+1 and g(x)=x^2-1.

We need to find (f/g)(x).

<u>Note: In the given options, we have 2x + 1 and x^2 - 7 parts.</u>

So, let us take f(x)=2x+1 and g(x)=x^2-7.

$(f/g)(x) =\frac{f(x)}{g(x)}$

Plugging f and g functions in the formula.

$(\frac{f}{g})(x)=\frac{(2x+1)}{(x^2-7)}$

Also, it would be undefined for x = ± square root 7 becaue it would give 0 in the denomiantor.

Therefore, correct option is C. 2x + 1 / x^2 - 7, x ≠ ± square root 7.

8 0

3 years ago