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andreev551 [17]
3 years ago
12

HELP ASAP!!

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
5 0
The answef is 1.83 because if you notice all of them are being divided by 38your answer is 16.5 because youre dividing all dog food in cups by wet food 3 times like 4.5/3 is 1.5 and so on
lesya692 [45]3 years ago
4 0
Hi! Well, lets think! 9 divided by 3 is 3. We all know 3x2 is 6. And if we use a calculator we come to find out that 4.5 divided by 1.5 is 3.......All these numbers have 3 in common. So if we multiply 5.5x3 we have 16.5 as the answer. Im doing the same test right now lol #k12gang but i hope this helped!
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Answer:

S 67.50° W

Step-by-step explanation:

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3 years ago
Prove that sin^4x + cos^4x= sinxcosx
yKpoI14uk [10]

Answer:

(the relation you wrote is not correct, there may be something missing, so I will simplify the initial expression)

Here we have the equation:

sin^4(x) + cos^4(x)

We can rewrite this as:

(sin^2(x))^2 + (cos^2(x))^2

Now we can add and subtract cos^2(x)*sin^2(x) to get:

(sin^2(x))^2 + (cos^2(x))^2 + 2*cos^2(x)*sin^2(x) - 2*cos^2(x)*sin^2(x)

We can complete squares to get:

(cos^2(x) + sin^2(x))^2 - 2*cos(x)^2*sin(x)^2

and we know that:

cos^2(x) + sin^2(x) = 1

then:

1 - 2*sin(x)^2*cos(x)^2

This is the closest expression to what you wrote.

We also know that:

sin(x)*cos(x) = (1/2)*sin(2*x)

If we replace that, we get:

1 - \frac{sin^2(2*x)}{2}

Then the simplification is:

cos^4(x) + sin^4(x)  = 1 - \frac{sin^2(2*x)}{2}

7 0
3 years ago
Which equation has the steepest graph
Serggg [28]
I know it is between b and c i am not sure cause they are both similar in the way they look but if i had to choose maybe B 
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5 0
3 years ago
Read 2 more answers
on a cold January day, Kiara noticed that the temperature dropped 21 degrees over the course of the day -9°C write and solve an
Readme [11.4K]

Answer:

The temp started at 12.

Step-by-step explanation:

The temp dropped 21 degrees to -9.

Let t be the old temp.

-9 = t - 21

t = 12

3 0
3 years ago
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Veronika [31]

Answer:

24

Step-by-step explanation:

33 + 11 - 10 ÷ 2 × 4

Division is first.

33 + 11 - 5 × 4

Multiplication.

33 + 11 - 20

Add or subtract.

44 - 20

= 24

6 0
3 years ago
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