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4 years ago

23x25 is the same as

Mathematics

1 answer:

kotegsom [21]4 years ago

4 0

23x25 is the same as 46x50 because you just multiplied both by two

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Need help with a system of equations

sweet [91]

Answer:

$\boxed{x - y = -2\sqrt{7}}$

Given:

$x + y = 4 \\ \\ {x}^{2} + {y}^{2} = 22 \\ \\ {x}^{4} = {y}^{4} - 176 \sqrt{7}$

Step-by-step explanation:

$= > {x}^{4} = {y}^{4} - 176 \sqrt{7} \\ \\ = > {x}^{4} - {y}^{4} = - 176 \sqrt{7} \\ \\ = > {( {x}^{2}) }^{2} - { ({y}^{2}) }^{2} = - 176 \sqrt{7} \\ \\ = > ( {x}^{2} + {y}^{2} )( {x}^{2} - {y}^{2} ) = - 176 \sqrt{7} \\ \\ = > ( {x}^{2} + {y}^{2}) (x + y)(x - y) = - 176 \sqrt{?} \\ \\ = > 22 \times 4(x - y) = - 176 \sqrt{7} \\ \\ = > 88(x - y) = - 176 \sqrt{7} \\ \\ = > x - y = - \frac{176 \sqrt{7} }{88} \\ \\ = > x - y = - 2 \sqrt{7}$

Identity used:

${x}^{2} - {y}^{2} = (x + y)(x - y)$

7 0

4 years ago

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Describe the location of the point having the following coordinates. positive abscissa, positive ordinate Quadrant I Quadrant II

asambeis [7]

The abscissa is the x coordinate whereas the ordinate is the y coordinate. Both x and y are positive in the first quadrant only.

8 0

3 years ago

Which number is an integer? 6 4.2 3/4 5 1/2

stellarik [79]

Answer:

5, 6

Step-by-step explanation :

3 0

3 years ago

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the graphy below shows the relationshio between the numbers of calories and the total amount in fat in different types of sandwi

taurus [48]

Answer:

The points have a positive trend and are most likely linear

Answer (C)

Step-by-step explanation:

∵ The graph represents the relation between the numbers

of calories and the total amount in fat in different types

of sandwiches

∵ Both values increase together

∴ Correlation is Positive

∵ If you draw the line best fit to check if it's strong or weak

Most of point will be on the line

∴ The points have a positive trend and are most likely linear

∴ The answer is (C)

3 0

3 years ago

mr. morris has a class of 14 students. he can spend $24 on each student to buy math supplies for the year. he first buys all the

Natali [406]

Hello!

First of all let's divide and find how much each calculator cost.

95.2/14=$6.80

Now we will subtract from 24.

24-6.8= 17.2

Mr. Morris has $17.2 left to spend on each student.

I hope this helps!

4 0

3 years ago

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