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2 years ago

The temperature was very cold.

Mathematics

1 answer:

ratelena [41]2 years ago

3 0

Answer:

51-32+14=33

33÷3=11

answer is 11

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Can someone PLEASE help me solve this equation ? due soon

RideAnS [48]

$\sf{Given : 3tanx + 7 = \dfrac{2}{(1 - sinx)(1 + sinx)}}$

We know that : (a - b)(a + b) = a² - b²

$\implies \sf{3tanx + 7 = \dfrac{2}{1 - sin^2x}}$

We know that : 1 - sin²x = cos²x

$\implies \sf{3tanx + 7 = \dfrac{2}{cos^2x}}$

$\sf{\bigstar \ \ We \ know \ that : \boxed{\sf{\dfrac{1}{cos^2x} = sec^2x}}}$

$\implies \sf{3tanx + 7 = 2sec^2x}$

We know that : sec²x = 1 + tan²x

$\implies \sf{3tanx + 7 =2(1 + tan^2x)}$

$\implies \sf{2 + 2tan^2x - 3 tanx - 7 = 0}$

$\implies \sf{2tan^2x - 3 tanx - 5 = 0}$

$\implies \sf{2tan^2x - 5tanx + 2tanx - 5 = 0}$

$\implies \sf{2tanx(tanx + 1) - 5(tanx + 1) = 0}$

$\implies \sf{(tanx + 1)(2tanx - 5) = 0}$

$\implies \sf{tanx = -1 \ (or) \ tanx = \dfrac{5}{2} }$

8 0

2 years ago

A company produces 3 tons of cereal each week. How many 12-ounce cereal boxes can be filled each week?

LekaFEV [45]

First, convert 3 tons to ounces.
3 tons = 96,000 ounces. Divide this by 12 ounces.
96,000/12 = 8000
So, 8000 boxes can be filled each week!
Hope this helps!!

8 0

3 years ago

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What is the answer for cos(43) = sin(?)

oee [108]

Answer:

Step-by-step explanation:

cos 43=cos (90-47)=sin 47

6 0

2 years ago

Find a 4 digit odd number using each of the digit 1,2,3,4 and 5 only once such than when the first and the last digit are in int

Vesna [10]

Answer:

The possible numbers could be : 4521, 4125, and 2415

3 0

2 years ago

The following figure is made of a triangle and a rectangle. All of the sides of the triangle are the same length.

Andru [333]

Answer:

130cm

Step-by-step explanation:

the perimeter of the triangle is 15 the perimeter of the rectangle is 150 + 115 + 15 equals 103 ♥ hope it helped

7 0

3 years ago

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