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vladimir1956 [14]
3 years ago
9

Help with number 9 please!asap

Mathematics
1 answer:
andrew-mc [135]3 years ago
7 0
The Associative Property of Multiplication states that the products of a multiplication expression can be grouped within parentheses in any order without changing the value of the expression.
For 4 * 25 * 27,
you can group it like this:
(4 * 25) * 27
= 100 * 27
= 2,700
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Please help explain my answer!!
Roman55 [17]

The correct answers are that Earth’s North Pole is close to the magnetic south pole, magnets allowed to move freely align themselves to point north, and the north pole on a compass is attracted to Earth’s south pole. I really hope this helps you!!

7 0
3 years ago
(5x10^3)x(9x10^7) can someone please answer this for me.
Anna11 [10]
4.5 times 10^10

1. Multiply 5times ten to the third

2. Multiply 9 times ten raised to the seventh

Then multiply them together
5000 times 90000000
5 0
3 years ago
Suppose that the dollar cost of producing x radios is c(x) = 400 + 20x - 0.2x 2. Find the marginal cost when 30 radios are produ
My name is Ann [436]
C(x) = 400 + 20x - 0.2x²

c(30) = 400 + 20(30) - 0.2(30)²

= 400 + 600 - 0.2(900)
= 1000 - 180
= 820

It costs $820 when 30 radios are produced. 

Marginal cost is how much it would cost to make one MORE of the same product so now we find how much it costs to produce 31 radios and compare the two. 

c(31) = 400 + 20(31) - 0.2(31)²

= 400 + 620 - 0.2(961)
= 1020 - 192.2
= 827.8 or ≈828.

Now we find the difference which means we subtract the two. 

828 - 820 = 8. 

Your marginal cost is $8. 

To compare we can also do 29 radios. 

c(29) = 400 + 20(29) - 0.2(29)² = 811.8 or ≈812

820 - 812 = 8. 
7 0
3 years ago
5.6.AP-1<br> Solve the inequality.<br> 3 + 4x&gt; 27
iren [92.7K]

Answer:

The answer is X>6

if you click the image it will show the steps to solving the inequality. hope this helps.

8 0
3 years ago
Write the following decimal number in its equivalent fraction form. Show all work for full credit.
Oduvanchick [21]
Negative 3143 over 1000 divide -3.143 by 1000 and there’s your answer
4 0
3 years ago
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