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cupoosta [38]
3 years ago
5

in a metal​ alloy, the ratio of zinc to copper is 3 to 17. If there are 510 lb of​ copper, how much zinc is​ there?

Mathematics
1 answer:
Andreyy893 years ago
5 0

Answer:

Step-by-step explanation:

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How do I simplify (6^-2)(3^-3)(3 x 6)^4? Not the answer, just the simplified expression.
Mazyrski [523]

The simplification form of the provided expression is 108 after applying the integer exponent properties.

<h3>What is integer exponent?</h3>

In mathematics, integer exponents are exponents that should be integers. It may be a positive or negative number. In this situation, the positive integer exponents determine the number of times the base number should be multiplied by itself.

We have an expression:

=\left(6^{-2}\right)\left(3^{-3}\right)\left(3\:\cdot \:6\right)^4

=\dfrac{1}{36}\cdot \dfrac{1}{27}\left(3\cdot \:6\right)^4

=\dfrac{1}{36}\cdot \dfrac{1}{27}\cdot \:81\cdot \:1296

=\dfrac{1}{36}\cdot \dfrac{1}{27}\cdot \dfrac{104976}{1}

=\dfrac{104976}{972}

= 108

Thus, the simplification form of the provided expression is 108 after applying the integer exponent properties.

Learn more about the integer exponent here:

brainly.com/question/4533599

#SPJ1

5 0
1 year ago
7.8 as a mixed number in simplest form
Goryan [66]
7 4/5

( 7 and 4 fifths)
8 0
3 years ago
Another easy one, 30 points + Brainliest
Andrew [12]

<u>1.03*10^{6}>9.8*10^{5</u>

Answer:

4.01*10³<5*10^(-5)false

3.9*10^5<8.06*10^{-7}false

1.03*10^{6}>9.8*10^{5}true

7.8*10^{2}>2.1*10^{3}false

7 0
2 years ago
Read 2 more answers
Show that p(x)=2x3−5x2−10x+5 has a real root.
FromTheMoon [43]
Let's pick an arbitrary value of 5.

P(5) = 2(5)^{3} - 5(5)^{2} - 10(5) + 5
= 2(125) - 125 - 50 + 5
= 250 - 125 - 50 + 5
= 80 > 0

Let's pick another arbitrary value: 1

P(1) = 2 - 5 - 10 + 5
= -8 < 0

Between these two values, the polynomial is continuous. This means for the two polynomial points to be satisfied, there must be at least one root between these two points.

We can either use the Intermediate Value Theorem or Newton's method to make a better approximation from there.
6 0
3 years ago
For which expression is the sum of the constants greater than the sum of the coefficients?
Svetach [21]

Answer:

8+3x^2+7x+4

Step-by-step explanation:

The first expression is

7+3x^2+7x+3

The sum of the constants is 7+3=10

The sum of the coefficients is 3+7=10

The second expression is;

7+4x^2+4x+1

The sum of the constants is 7+1=8

The sum of the coefficients is 4+4=8

The third expression is;

8+4x^2+8x+2

The sum of the constants is 8+2=10

The sum of the coefficients is 4+8=12

The fourth expression is;

8+3x^2+7x+4

The sum of the constants is 8+4=12

The sum of the coefficients is 3+7=10

Hence the correct choice is the expression in which the sum of the constants greater than the sum of the coefficients

3 0
3 years ago
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