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svetoff [14.1K]
1 year ago
5

Helppppppp show the steps to your answer

Mathematics
1 answer:
Studentka2010 [4]1 year ago
4 0

The numeric value of the expression -a² - 2bc - |c| for a = -3, b = -5 and c = 2 is of 9.

<h3>How to find the numeric value of an expression?</h3>

The numeric value of an expression is found replacing each letter by it's attributed value.

In this problem, the expression is:

-a² - 2bc - |c|

The attributed values are:

a = -3, b = -5 and c = 2

Hence the numeric value will be given by:

-a² - 2bc - |c| = -(-3)² - 2(-5)(2) - |2| = -(9) + 20 - 2 = -9 + 18 = 9.

More can be learned about the numeric value of an expression at brainly.com/question/14556096

#SPJ1

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The tripled product of 12 and a number is 102. what is the number​
Viktor [21]

Answer:

Step-by-step explanation:

Let

The known number = 12

The unknown number = x

Result = 102

Product of 12 and a number= 12*x

= 12x

Tripled product of 12x= 3(12x)

=36x

36x = 102

Divide both sides by 36

x = 102/36

= 2.833

x=2.833

4 0
3 years ago
Is the expression 5y-10 equivalent to 5(y-2
KonstantinChe [14]

Answer:

Yes, they are equivalent.

Step-by-step explanation:

They are equivalent, to see this, simplify the expression.

Distribute into the parenthesis.

5(y)- 5(2)

Then simplify into...

5y-10

This is equivalent to 5y-10

<h2>5y-10 = 5(y-2)</h2>
4 0
4 years ago
An organization will give a prize to a local artist. The artist will be randomly chosen from among 10 painters, 3 sculptors, and
Fofino [41]

The probability is 8/18 or 44%.


Since there are 3 sculptors and 5 photographers, and the question is asking for either a sculptor or photographer, you add them together. There are a total of 18 artists, and the probability is the chance of a certain thing happening over the total amount of things that can happen (i.e. a coin landing on heads is 50%).

The answer would be 8/18.

7 0
3 years ago
Read 2 more answers
Aldos coffee shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Aldo $5.80 per pound, and type of
LuckyWell [14K]
Let A represent amount of Type A coffee pounds used. 
Let B represent amount of Type B coffee pounds used

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5.80A + 4.65B = 826.60 
580 (156 - B) + 4.65B - 826.60 = 0 
904.8 - 5.80B + 4.65B - 826.60 = 0
904.8 - 1.15B - 826.60 = 0 
78.2 - 1.15B = 0 
78.2/1.15 = 1.15B/1.15
68 = B
B = 68 pounds of Type B coffee

There's many more steps you can take to check and etc but am too lazy to put down sorry. 
5 0
3 years ago
Find the value of (a+b)^2 if a^2+b^2=10 and ab=3
seropon [69]

Answer:

(a+b)^2 if a©+2b

Step-by-step explanation:

i not sure

6 0
3 years ago
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