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Romashka-Z-Leto [24]
2 years ago
12

Evaluate 8.3p+7.9r when p =3 and r=4. 8.3( ) +7.9( ) = +31.6 help!!!!! ​

Mathematics
2 answers:
mash [69]2 years ago
8 0

Answer:

56.5

Step-by-step explanation:

Given that,

p = 3

r = 4

Now we have to find the value of 8.3 p + 7.9 r.

For that,

you have to put 3 and 4 instead of p & r to the equation.

Let us solve now.

8.3 p + 7.9 r

8.3 × 3 + 7.9 × 4

24.9 + 31.6

56.5

Hope this helps you :-)

Let me know if you have any other questions :-)

Alexandra [31]2 years ago
5 0

Steps: 8.3(3) + 7.9(4) = 31.6

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Read 2 more answers
Help super important
const2013 [10]
Hello.

Taking a look at our screenshot provided, we can conclude that we need to find the missing angle degree out of 90 degrees, as we are dealing with a right angle.

Let's set this up as an Algebraic formula and solve for the variable;
5x + 15 + 50 = 90

First, let's combine like-terms (15 and 50).

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Now, isolate our variable by subtracting 65 from each side of the equation.

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Now, divide both sides by 5 to solve for x, our missing angle degree.

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Your answer is A.) 5

I hope this helps!
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