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3 years ago

Someone please help me!!!

2 answers:

8 0

The equation would be 80=4s=5e s is students, student tickets cost 4$ and e is nonstudents and there tickets cost 5$ and 80$ is how much they got so s would multiply 4 to get the amount they got from in school students and e times 5 to get out of school people then they would add for an all out amount of 80$ which is what the school received

mylen [45]3 years ago

6 0

I think the answer is 20 but I'm not sure

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Is 16x^2-56x+49 a perfect square trinomial? How do you know ? If it is, factor the expression. Please show your work

daser333 [38]

Answer:

yes
(4x -7)^2

Step-by-step explanation:

If it is, the first and last terms are perfect squares, and the middle term is twice the product of the roots of those squares.

16x^ = (4x)^2 . . . . a perfect square

49 = 7^2 . . . . . . . a perfect square

-2(4x)(7) = -56x . . . . . matches the middle term, so the factoring is ...

16x^2 -56x +49 = (4x -7)^2

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The sign in the binomial factors is the same as the sign of the middle term of the trinomial.

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3 years ago

Find the quotient: -10/19 divided by (-5/7) ?

zhannawk [14.2K]

The quotient is 14/19.
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5 0

3 years ago

Solve for x: |2x + 12| =

igor_vitrenko [27]

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6 0

3 years ago

Read 2 more answers

Triangle E D F has sides that are of varying lengths. Side E D has a length of 4 and side E F has a length of 9.

9966 [12]

Answer:

D E + E F greater-than D F

5 less-than D F less-than 13

Triangle D E F is a scalene triangle

Step-by-step explanation:

we know that

The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side

we have the triangle EDF

where

$ED=4\ units\\EF=9\ units$

Applying the triangle inequality theorem

$ED+EF > DF\\4+9 > DF\\13 > DF\\DF < 13\ units$

$ED+DF > EF\\4+DF > 9\\DF > 5\ units$

The length of DF is the interval -----> (5,13)

The triangle DEF is a scalene triangle (the three length sides are different)

therefore

The statements that are true are

D E + E F greater-than D F

5 less-than D F less-than 13

Triangle D E F is a scalene triangle

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3 years ago

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ROMAN NUMERAL HI TOMMROW

Yuki888 [10]

Answer:

hey

Step-by-step explanation:

5 0

2 years ago