2 years ago

Number 8 please! It's urgent

Mathematics

1 answer:

kykrilka [37]2 years ago

3 0

T chart but thats all i can think of

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The length of a rectangle is four times its width. If the perimeter of the rectangle is 90 cm, find its area

Sunny_sXe [5.5K]

Answer:

324

Step-by-step explanation:

L = 4W

P = 2L + 2W = 90

---

2L + 2W = 90

2(4W) + 2W = 90

8W + 2W = 90

10W = 90

---

W = 9

L = 36

---

A = 324

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3 years ago

1.875 divided by 500 word problems

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Answer:

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Step-by-step explanation:

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3 years ago

Least common denominator?

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Answer:

$\large\boxed{(s-2)(s+2)(s-3)=(s^2-4)(s-3)=s^3-3s^2-4s+12}$

Step-by-step explanation:

$s^2-4=s^2-2^2=(s-2)(s+2)\\\\\text{used}\ a^2-b^2=(a-b)(a+b)\\\\s^2-5s+6=s^2-2s-3s+6=s(s-2)-3(s-2)=(s-2)(s-3)\\\\\text{Therefore}\ LCD(s^2-4,\ s^2-5s+6)=(s-2)(s+2)(s-3)$

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2 years ago

Tickets to a hockey game cost $45. You and 3 of your friends decide to go together. how much will your tickets cost all together

MAXImum [283]

Answer:

135

Step-by-step explanation:

Well 3 friends and 45 dollars each

45*3=135

3 0

3 years ago

Read 2 more answers

Find the value of x.

ehidna [41]

Answer:

x = 25

Step-by-step explanation:

We know that the remaining angles add up to 90°, because the right angle (triangles have 180° total.)

2x + 15 + x = 90 | Given

3x + 15 = 90 | Combine x

3x = 75 | Subtract 15

x = 25

4 0

2 years ago