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Anna11 [10]
3 years ago
5

Any answers? Please I’m really struggling.

Mathematics
2 answers:
vampirchik [111]3 years ago
7 0
You might have too look it up better and practice more
Lelu [443]3 years ago
3 0

Answer:

if youre just trying to factor 3x^3 + 27x

then it's 3x(x^2 + 9)

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How many and what type of solution(s) does the equation have?
zzz [600]

Answer:

2 irrational solutions.

Step-by-step explanation:

6p^2 = 8p + 3

0 = -6p^2 + 8p + 3

The roots are:

p = (2/3) - (8.5)^(1/2)/3, and

p = (2/3) + (8.5)^(1/2)/3

These are irrational numbers.

There are 2 irrational solutions.

3 0
2 years ago
Rachel and Hugo sorted 236 crayons into boxes for a local arts project. Each box had 10 crayons. How many crayons were left over
Kryger [21]
This is a simple division problem. Since there are 236 crayons, in groups of ten, there will be 6 left over because there is a 6 in the ones place. 
8 0
2 years ago
Read 2 more answers
the function f(x)= 1000(2)x where x is the number of weeks represents the cicada population on a farm use the function to answer
Flauer [41]

1-x^4+2+y should be the answer of the root x or y

8 0
2 years ago
Perform the following calculations. In each case, first estimate the solution without using a calculator and then do the calcula
kakasveta [241]

<u>Answer:</u>

<u>For a:</u> The answer is 2.3\times 10^1

<u>For b:</u> The answer is 8.0\times 10^{-6}

<u>For c:</u> The answer is 127.6

<u>For d:</u> The answer is 4.66\times 10^4

<u>Step-by-step explanation:</u>

Significant figures are defined as the figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

<u>Rules for significant figures:</u>

  • Digits from 1 to 9 are always significant and have infinite number of significant figures.
  • All non-zero numbers are always significant. For example: 654, 6.54 and 65.4 all have three significant figures.
  • All zero’s between integers are always significant. For example: 5005, 5.005 and 50.05 all have four significant figures.
  • All zero’s preceding the first integers are never significant. For example: 0.0078 has two significant figures.
  • All zero’s after the decimal point are always significant. For example: 4.500, 45.00 and 450.0 all have four significant figures.
  • All zeroes used solely for spacing the decimal point are not significant. For example : 8000 has one significant figure.

<u>Rule applied for the addition and subtraction is:</u>

The least precise number present after the decimal point determines the number of significant figures in the answer.

<u>Rule applied for the multiplication and division is:</u>

The number of significant digits is taken from the value which has least precise significant digits.

For the given options:

  • <u>Option a:</u>  (2.7)(8.632)

The given problem is a multiplication one.

\Rightarrow (2.7\times 8.632)=23.3

Here, the least precise significant digits are 2. So, the answer is 2.3\times 10^1

  • <u>Option b:</u>  (3.600 x 10^-4) / 45

The given problem is a division one.

\Rightarrow \frac{(3.600\times 10^{-4})}{45}=0.08\times 10^{-4}

Here, the least precise significant digits are 2. So, the answer is 8.0\times 10^{-6}

  • <u>Option c:</u>  2.365 + 125.2

The given problem is an addition one.

\Rightarrow (2.365+125.2)=127.565

Here, the least precise significant digits after decimal is 1. So, the answer is 127.6

  • <u>Option d:</u>  (4.753 x 10^4) - (9 x 10^2)

The given problem is a subtraction one.

\Rightarrow (4.753\times 10^4)-(9\times 10^2)=(4.753\times 10^4)-(0.09\times 10^4)=4.663\times 10^4

Here, the least precise significant digits after decimal are 2. So, the answer is 4.66\times 10^4

3 0
3 years ago
Help please .............​
kow [346]
<h2>Answer: 88</h2><h2>Hope it helped!</h2>
7 0
2 years ago
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