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2 years ago

What i thissss pls help

Mathematics

2 answers:

zubka84 [21]2 years ago

8 0

Answer: A

Step-by-step explanation:

5 is in the ones place rather that the tens place.

MissTica2 years ago

3 0

The answer is a! yea im aware this was already answered just trying to find some things to answer

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In ΔABC , angle C is a right angle.

guajiro [1.7K]

Answer: Choice A. sin(A) = cos(B)

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Explanation:

The rule is that sin(A) = cos(B) if and only if A+B = 90.

Note how

sin(A) = opposite/hypotenuse = BC/AB
cos(B) = adjacent/hypotenuse = BC/AB

Since both result in the same fraction BC/AB, this helps us see why sin(A) = cos(B). Similarly, we can find that cos(A) = sin(B).

In the diagram below, the angles A and B are complementary, meaning they add to 90 degrees. So this trick only applies to right triangles.

The side lengths can be anything you want, as long as you're dealing with a right triangle.

3 0

2 years ago

there are two pictures on a wall. one is 12in × 4in and one is 9in ×6in. which on is larger and why?

nata0808 [166]

Answer: 9in•6in

Step-by-step explanation:

12•4=48 inches

9•6=56 inches

4 0

3 years ago

I ready scientific notation help

Airida [17]

The required value is $2\times10^9$

Step-by-step explanation:

Weight of ants = $4\times10^{-3}$

Weight of elephant= $8\times10^6$

We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.

The equation given is:

$4\times10^{-3} \times a = 8\times10^6$

We need to find a:

Solving:

$4\times10^{-3} \times a = 8\times10^6\\a=\frac{8\times10^6}{4\times10^{-3}}\\if \,\,10^a/10^-b \,\,then\,\, 10^{a+b}\\a=2\times10^{6+3} \\a=2\times10^9$

So, the required value is $2\times10^9$

Keywords: Scientific Notation

Learn more about Scientific Notation at:

#learnwithBrainly

4 0

2 years ago

!PLEASE HELP! A square concrete foundation was prepared as a base for a large cylindrical gasoline tank.

nikdorinn [45]

Answer: B, you have to multiply the (A) area by 10 and then you divide the circular base of the tank, then you add those 2 answers and you have it as the function of the radius!

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2 years ago

Question 7 of 19

Ierofanga [76]

C, 120 units2 is the answer

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2 years ago