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Elena L [17]
3 years ago
8

Need helpp fastt plss will give brainliest to who is correct plss helpp

Mathematics
1 answer:
Citrus2011 [14]3 years ago
6 0

Answer:

333 inches = 27.75 feet = 9.25 yards

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What is the area of the square
alexdok [17]

Answer:

T

Step-by-step explanation:

(x-10)^2=(x-10)(x-10)=(x^2-10x-10x+100)=x^2-20x+100

6 0
3 years ago
What are the solutions to 7x^2+10x-3=x^2+3x
marysya [2.9K]

Answer:

x = 1 / 3

x = -1.5

Step-by-step explanation:

First move everything onto one side.

6x^2 + 7x - 3 = 0

Divide by 6:

x^2 + 7/6x - 0.5 = 0

Now, you can move the 0.5 to the other side because it is determined that this is not factorable.

x^2 + 7/6x = 0.5

Now you have to complete the square.

Take 1 / 2 of 7 / 6 and square it.

49 / 144

x^2 + 7/6x + 49/144 = 0.5 + 49/144

(x + 7 / 12)^2 = 121 / 144

Square root:

x + 7 / 12 = ±11 / 12

x = 1 / 3, x = -1.5

7 0
4 years ago
Choose the model that shows 11/10-3/10​
Bas_tet [7]

Answer:

The third model

Step-by-step explanation:

I'm pretty sure it is, I can't see all of them tho

6 0
3 years ago
Read 2 more answers
What would be Kelly’s weight be in newtons if her mass is 70 kilograms?Select one of the options below as your answer:A. 70 × gB
BARSIC [14]
The formula for getting the weight is W=mg where m is the mass, g is the acceleration due to gravity (9.806 m/s^2) and W is the weight in Newtons. 

W=mg
W=70*9.806=686.42 N

The answer is A. 70xg (where g=acceleration due to gravity)
7 0
3 years ago
Read 2 more answers
Square root of 50 long division form
Alexandra [31]

Answer:

  see below

Step-by-step explanation:

The attached picture shows the calculation of the first several digits of the square root of 50.

To start with, you group digits of the number in pairs. Here, there is one pair of digits left of the decimal point, so the integer portion of the root will have one digit.

For that first digit, you want the largest integer whose square is smaller than the leftmost digit pair. Here that pair is 50, so the largest square less than this is 7² = 49 and the first root digit is 7. We subtract this square and append the next digit pair to the result.

At this stage, and each succeeding stage, we double the root value to use as the divisor of the "dividend" we just found. The least-significant digit of this "divisor" will be the next root digit. We will subtract the product of that root digit and the "divisor" from the "dividend" to form the left digits of the next dividend. I have shown the appended root digit in red.

You can see that as the number of root digits grows, so does the number of digits in the divisor. This makes it be somewhat tedious to continue the process beyond about 8 or 9 digits.

Each step adds one digit to the root.

_____

<em>Comment on an alternate root-finding method</em>

You can compare this to the Babylonian method, where the next root guess is the average of the previous one and the square divided by that previous guess. For a square of 50 and a first guess of 7, the root estimates are ...

  (50/7 +7)/2 = 7 1/14

  (50/(7 1/14) +7 1/14)/2 = 7 197/2772 ≈ 7.07106782

This value is correct to 8 significant digits and took a lot less work. Each step will double the number of accurate significant digits.

3 0
3 years ago
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