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3 years ago

6

emma gave 2/5 of her money and an additional $9 to olivia. she gave 4/7 of her remaining money and an additional $1 to Ava. emma

then had $17 left. how much did emma have at first

2 answers:

alexandr1967 [171]3 years ago

5 0

Yo wsp how is it going kane

AfilCa [17]3 years ago

3 0

I think she has 85 left, I did the math but ion feel like writing it out. I could be wrong

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If one leg of a right triangle is 6 cm long, and the other leg is 8 cm long, how long is the triangles hypotenuse?!!

nekit [7.7K]

Answer:

approximately 9

Step-by-step explanation:

6 squared (36) plus 8 squared (64) is 84, and the square root of that is about 9

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3 years ago

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A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle’s diagonal measurement is 13 inches, don’

cupoosta [38]

Answer:

The height of rectangle is 5 inches

Step-by-step explanation:

<u><em>The correct question is</em></u>

A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle’s diagonal measurement is 13 inches, Find the height

Let

x -----> the width of the rectangle in inches

y ----> the height of the rectangle in inches

d ---> diagonal measurement of the rectangle in inches

we know that

Applying the Pythagorean Theorem

$d^2=x^{2}+y^{2}$

we have

$d=13\ in$

so

$13^2=x^{2}+y^{2}$

$169=x^{2}+y^{2}$ ----> equation A

$x=y+7$ ---> equation B

substitute equation B in equation A

$169=(y+7)^{2}+y^{2}$

solve for y

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

$2y^2+14y+49-169=0$

$2y^2+14y-120=0$

solve the quadratic equation by graphing

using a graphing tool

The solution is y=5

see the attached figure

therefore

The height of rectangle is 5 inches

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3 years ago

637,391 <br>+372,088<br>_________

exis [7]

1,009.479 just add themmmm

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C++ the length of a rectangle is stored in a double variable named length, the width in one named width. write an expression who

Blizzard [7]

Sqrt(pow(width,2) + pow(length ,2)

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3 years ago

45 is 90% of what number

choli [55]

45 = 90% * x
45 = .90x
45/.90 = x

x = 50

45 is 90% of 50

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4 years ago

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