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3 years ago

(HELP//CHECK MY ANSWER??)

Mathematics

2 answers:

BartSMP [9]3 years ago

7 0

Answer:

yes u are correct

Step-by-step explanation:

romanna [79]3 years ago

3 0

Kilometers per hour and miles per hour would be the most reasonable to measure someone running a race. Millimeters and inches are too small.

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Students have a choice between taking a test on paper or on the computer. Mrs. Gazi graphed the relationship between the number

Nimfa-mama [501]

Answer:

Slope

Step-by-step explanation:

6 0

3 years ago

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A boat’s sail is a right triangle. The length of one side of the sail is 7 feet more than the other side. The hypotenuse is 13 f

Svetach [21]

Answer: the other two sides are 5 feet and 12 feet

Step-by-step explanation:

Length of one side be x , that means the other side is x + 7

by Pythagoras theorem:

$x^{2}$ + $(x+7)^{2}$ = $13^{2}$

expanding , we have:

$x^{2}$ + $x^{2}$ + 14x + 49 = 169

$2x^{2}$ + 14x + 49 - 169 = 0

$2x^{2}$ + 14x - 120 = 0

divide through by 2 , we have

$x^{2}$ + 7x - 60 = 0

By factorizing , we have

(x - 5)(x+12) = 0

Therefore:

x = 5 or x = -12

Since , the side can not be negative , so

x = 5

That means the other side will be 5+ 7 = 12

8 0

4 years ago

Please help this is in my test tomorrow♡

MAVERICK [17]

Answer:

67

Step-by-step explanation:

50-40+87-30

=50+(- 40)+87(-30)

=50+87+(-40)+(-30)

=(50+87+(-40)+(-30)

=137+(-70)

=67

when he wins, we add points. When he loses ,we subtract points.The score is 50 points. We right an expression to find the final score

5 0

3 years ago

1 kilogram is roughly 2.2 pounds.

Paul [167]

Answer:

11 pounds

Step-by-step explanation:

1 k = 2.2 p

5 k = ?

2.2 x 5 = 11

5 k = 11 p

4 0

3 years ago

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Where can i get help with my pre algebra

ki77a [65]

Which part are you stuck on

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4 years ago