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Marat540 [252]
2 years ago
14

1. Identify the place value for the following: 162.891

Mathematics
1 answer:
Advocard [28]2 years ago
7 0

Answer:

Hundreds : 1

Tens : 6

Ones : 2

.

Tenths : 8

Hundredths : 9

Thousandths : 1

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what if Jordan sorted the shapes by polygons with right angles and polygons with angles less than right angles. would the circle
timama [110]
If you aer talking about a venn diagram, then the circles will overlap because some shapes have polygons with right angles and angles less than right triangles
example: right triangles or trapezoids

yes, they wil overlap
7 0
3 years ago
Give the expression 4n^2t/2n^t-1, write the expression as a binomial.
lubasha [3.4K]

 <span>binomial </span>is an algebraic expression containing 2 terms. For example, (x + y) is a binomial.

We sometimes need to expand binomials as follows:

(a + b)0 = 1

(a + b)1 = a + b

(a + b)2 = a2 + 2ab + b2

(a + b)3 = a3 + 3a2b + 3ab2 + b3

<span>(a + b)4</span> <span>= a4 + 4a3b</span><span> + 6a2b2 + 4ab3 + b4</span>

<span>(a + b)5</span> <span>= a5 + 5a4b</span> <span>+ 10a3b2</span><span> + 10a2b3 + 5ab4 + b5</span>

Clearly, doing this by direct multiplication gets quite tedious and can be rather difficult for larger powers or more complicated expressions.

Pascal's Triangle

We note that the coefficients (the numbers in front of each term) follow a pattern. [This was noticed long before Pascal, by the Chinese.]

1

1 1

1 2 1

1 3 3 1

1 4 6 4 1

1 5 10 10 5 1

1 6 15 20 15 6 1

You can use this pattern to form the coefficients, rather than multiply everything out as we did above.

The Binomial Theorem

We use the binomial theorem to help us expand binomials to any given power without direct multiplication. As we have seen, multiplication can be time-consuming or even not possible in some cases.

<span>Properties of the Binomial Expansion <span>(a + b)n</span></span><span><span>There are <span>\displaystyle{n}+{1}<span>n+1</span></span> terms.</span><span>The first term is <span>an</span> and the final term is <span>bn</span>.</span></span><span>Progressing from the first term to the last, the exponent of a decreases by <span>\displaystyle{1}1</span> from term to term while the exponent of b increases by <span>\displaystyle{1}1</span>. In addition, the sum of the exponents of a and b in each term is n.</span><span>If the coefficient of each term is multiplied by the exponent of a in that term, and the product is divided by the number of that term, we obtain the coefficient of the next term.</span>
7 0
3 years ago
Find the percent change.<br> 155 pounds to 130 pounds.
Romashka [77]

Answer:

130 pounds is about 84% of 155

8 0
3 years ago
ASAP JUST ANSWER THX
Andrei [34K]

Answer:

Step-by-step explanation:

f(-9)  = 25

g(-1) = 21

7 0
3 years ago
Read 2 more answers
A car traveled 23 miles in 15 minutes. how many miles per hour was it traveling?
NNADVOKAT [17]

Answer:

1.533333  miles per hour

If It Helped u do mark me as brainliest

3 0
3 years ago
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