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blagie [28]
2 years ago
5

If x = 4 and y = -2, the value of 1/2 xy2 is

Mathematics
1 answer:
Komok [63]2 years ago
6 0

Answer:

8

Step-by-step explanation:

Substitute the given values into the expression

\frac{1}{2} xy²

= \frac{1}{2} × 4 × (- 2)²

= 2 × 4

= 8

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Rewrite the expression in the form 5^n<br><br> (5^-8) (5^-10)
oee [108]

Answer:

Step-by-step explanation:

This problem is all about bases and exponents.  Because we have a quotient and the bases are both 5's, that means that we can use the rule of exponents for quotients to rewrite and simplify:

That's the simplification as long as you are "allowed" to leave the exponent as a negative number.

4 0
3 years ago
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Solving multi-step equations 1) p-1=5p+3p-8
Feliz [49]
P=1. I hope this helps. :)
6 0
3 years ago
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4. What's the least common multiple of each group of numbers?
mina [271]

Answer:

D. 2,5, and 6

Step-by-step explanation:

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8 0
3 years ago
Which is the best estimate for this expression ?<br>a) 300 <br>b) 40<br>c) 3<br>d)0.4​
Zolol [24]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
Please help
iren2701 [21]
For question 1:
1% = 120 ÷ 100 = 1.2
15% = 1.2 × 15 = 18
So, 15% of 120 is 18

For question 2:
68.4 ÷ 72 = 0.95
0.95 × 100 = 95%
So, the percentage is 95%

For question 3,
1% = 12.5 ÷ 8 = 1.5625
100% = 1.5625 × 100 = 156.25
So, 8% of 12.5 is 156.25.

For question 4,
1% = 48 ÷ 40 = 1.2
100% = 1.2 × 100 = 120
So, 40% of 48 is 120.

For question 5,
1% = 195 ÷ 100 = 1.95
62.5% = 1.95 × 62.5 = 121.875
So, 62.5% of 195 is 121.875
8 0
2 years ago
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