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Drupady [299]
3 years ago
7

Evaluate the expression using x = –1 and y=3. (6x4y3) What is the value of the expression? –162 –54 162 216

Mathematics
2 answers:
Wewaii [24]3 years ago
6 0
Subst. the given x and y values:  6(-1)^4 * (3)^3
                                                         6      * 27 = 162

Note that you MUST do the exponentiation first.

Also note that your post would be much clearer if you'd please use " ^ " to denote exponentiation:      6x^4 * y^3
Crank3 years ago
5 0

Answer:

c. 162

Step-by-step explanation:

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Simplify 9a+3+2a+10<br><br><br><br> thx
a_sh-v [17]
Hey there 

9a+3+2a+10
You have to collect like terms 

To simplify you have to add 9a and 2a. Then 3 and 10 
9a+2a= 11a 
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The answer is 11a+13

hope this helps  <span />
7 0
2 years ago
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Given line x is parallel to line y and m∠2 = 23°. What is m∠7? 23° 67° 157°
Anna007 [38]

Answer:

The answer is 157

Step-by-step explanation:

4 0
3 years ago
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20 POINTS
chubhunter [2.5K]
Answer: 2 inches, 3 inches, or 3.125 and 2.083


Explanations:
The simplest way is to take 20% of the 2.5 inches and go that much above & below 2.5 inches.

2.5 x 20% = 2.5 x 0.20 = 0.5

So 2.5 - 0.5 = 2 inches was predicted
And 2.5 + 0.5 = 3 inches was predicted.

The more complicated way is to see number + 20% of that number = 2.5, and what number - 20% = 2.5.

Which solution sounds more like what you’re doing in class right now?

If it’s the more complicated way:

0.8x = 2.5 (80% of the predicted rain value equals 2.5)
x = 3.125 inches was predicted

1.2x = 2.5 (120% of the predicted rain value equals 2.5)
x = 2.083 inches was predicted

Sorry, this is probably confusing. Let me know what questions you have.
6 0
2 years ago
What is the parameter of a rectangle with width 10 inches and length 13 inches
svetoff [14.1K]
The parameter of a rectangle can be alculated using the following rule:
parameter = 2(length + width)

from the givens:
length = 13 inches
width = 10 inches

so, just substitute with the givens in the equation to calculate the parameter:
parameter = 2(10+13) = 2*23 = 46 inches
8 0
3 years ago
Evaluate. Express each result in scientific and standard form. <br><br> (3.24×103)(6.7×104)
anyanavicka [17]
I’m assuming the 3 and 4 are exponents??
The answer is
2.1708 x 10^7
4 0
3 years ago
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