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Kamila [148]
3 years ago
13

Rewrite the expressions below by completing the square 2 + 4+ 1

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0
STEP BY STEP EXPLANATION
(Mark brainliest pls)

Square root is 2 square + 4 square + 1 because 1 does not enable a square perhaps for negatives to be imputed, and we know 2 square will be 1 hence,

1 x 1 = 1 squared
2 x 2 = 4 squared
Perhaps for 1, you will have to use a formula equation and add tang maybe. Etc I don’t know if tang but u will also have to convert 1 to a decimal to find the square root of 1, 1 is an odd number so it will end up with remainder decimals or just do 1x1, etc.


Hence u

(2 square + 4 square) + 1square?

It depends on addition or order of operations subtraction addition or you will might use multiply
if the subject is about multiply or Division so try and do it because i don’t know if I’m right

..

REMEMBER

PEMDAS

Please Excuse My Dear Aunt Sally

Parentheses
Equations
Multiplication
Division
Addition
Subtraction

ORDER OF OPERATIONS.


try and solve it hope this helps!
Have a nice day
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In a basketball game Jane and Francine made 20 baskets. Jane scored 4 times as many as Francine. How many baskets did Jane score
VMariaS [17]

Alright, lets get started.

Suppose Francine made number of baskets = x

As given in question, Jane scored 4 times as many as Francine.

Means Jane has scored number of baskets will be = 4x

Jane and Francine made 20 baskets together, means

x + 4x = 20

5x = 20

Dividing 5 in both sides

\frac{5x}{5} = \frac{20}{5}

x = 4

Means Francine made number of baskets = 4

Hence Jane made number of baskets = 4 * 4 = 16 : Answer

Hope it will help :)



3 0
3 years ago
Read 2 more answers
On a mountain, the temperature decreases by 18°F every 5000 feet. What integer represents the change in temperature at 20,000 fe
gizmo_the_mogwai [7]
18 times 4 = 72

Because 5000 times 4 = 20,000

The change in temp. is -72degrees
8 0
3 years ago
I BEG FOR MY LIFE EZ PLS<br><br> {{{{{{{PICTURE PROVIDED}}}}}}}}}
Over [174]

Answer:

B and D

Step-by-step explanation:

This is because for B you do 8x9x1 which is basically 8x9 which is 72. Then, for D you do 12x3x2. Do 3x2 first and you get 6. Then, do 6x12 which is also 72. So the correct answers that will give you the volume of 72 units cube is B and D. Hope this helps!

8 0
3 years ago
Big box brand computers have 1/4
Pani-rosa [81]
Okay ! :) cool wait what this suppose to be a question?
6 0
3 years ago
Ten pounds of mixed birdseed sells for 8.24 per pound. The mixture is obtained from two kinds of birdseed, with one variety pric
Kipish [7]

Answer:

2 pounds of 1st kind and 8 pounds of 2nd kind are mixed.

Explanation:

Given:

Ten pounds of mixed birdseed sells for 8.24 per pound.  

Price of the 1st variety of birdseed=5.68 per pound

Price of the 2nd variety of the birdseed=8.88 per pound.  

To find :

Pounds of 1st variety of birdseed are used in the mixture=?

Pounds of 2ndvariety of birdseed are used in the mixture=?

Solution:

Let the weight of 1st kind added in mixture be n pounds.

Then weight of 2nd kind will be 10 – n pounds.

Now, total cost of mixture = cost of 1st kind birdseed + cost of 2nd kind birdseed

Weight of mixture x cost per pound = weight of 1st kind x cost per pound + weight of 2nd kind x cost per pound.

Substituting the values,

10\times8.24 = n\times5.68 + (10-n)\times8.88

82.4 = 5.68n + 88.8 – 8.88n  

8.88n – 5.68n = 88.8 – 82.4  

3.2n = 6.4  

n = \frac{3.2}{6.4}

n = 2

Then, weight of 2nd kind is 10 – 2 = 8 pounds.

Hence, 2 pounds of 1st kind and 8 pounds of 2nd kind are mixed.

5 0
3 years ago
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