3 years ago

Por favor ayúdenme en esto

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

4 0

Correct Answer is C

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Describe the set 3 ≤ x ≤ 10

SSSSS [86.1K]

Answer:

The answer is B, [3,10].

Step-by-step explanation:

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a flat rectangular piece of aluminum has a perimeter of 64 inches. the length is 10 inches longer than the width. find the width

I am Lyosha [343]

Answer:

The width of the piece is 11 inches

Step-by-step explanation:

Let

x ----> the length of the rectangular piece of aluminum in inches

y ----> the width of the rectangular piece of aluminum in inches

we know that

The perimeter of the rectangular piece of aluminum is equal to

$P=2(x+y)$

we have

$P=64\ in$

$64=2(x+y)$

simplify

$32=x+y$ ----> equation A

$x=y+10$ ----> equation B

Solve the system by substitution

substitute equation B in equation A

$32=y+10+y$

solve for y

$32=2y+10$

$2y=32-10$

$2y=22$

$y=11$

therefore

The width of the piece is 11 inches

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The volume of a cone is 370x3 cubic units and its height is x units.

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4 years ago

The jazz band has 14 members. To raise money for a tour, each member sold r raffle tickets. Write an expression that shows the n

dolphi86 [110]

Answer:

14r

Step-by-step explanation:

since there are 14 members and each sold r tickets r x 14 which is 14r

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