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3 years ago

14

Biology if one honeybee makes 1/12 teaspoons of honey during its life time how many homey bees do you need to make1/2 tea spoons

of honey

1 answer:

Korolek [52]3 years ago

6 0

Answer:

(1/2) / (1/12)

(1/2) * (12/1) = 12/2 = 6

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Simplify the expression. (3 points) -5+i/2i<br><br> WILL GIVE BRAINLY

Verizon [17]

$\bf recall~that\qquad i^2=-1\\\\
-------------------------------\\\\
\cfrac{-5+i}{2i}\cdot \cfrac{i}{i}\implies \cfrac{i(-5+i)}{2i^2}\implies \cfrac{-5i+i^2}{2(-1)}\implies \cfrac{-5i+(-1)}{-2}
\\\\\\
\cfrac{-5i-1}{-2}\implies \cfrac{1+5i}{2}$

6 0

3 years ago

What is an expression for "8 times x."

rodikova [14]

The expression for 8 times x is just 8x

5 0

3 years ago

Read 2 more answers

The ratio of gifts wrapped in red to gifts wrapped in green is 3:5. If there are 32 total gifts, how many of each are wrapped in

QveST [7]

Answer:

Step-by-step explanation:

This is probably pretty late, but I'll do it anyway.

There are 8 parts all together.

3x + 5x = 32 Combine the terms on the left.

8x = 32 Divide by 8

8x = 32/8

x = 4

Therefore the red gifts are 3*4 = 12

The green gifts are <u> 5*4 = 20</u>

Total 32 Just as it should

6 0

2 years ago

The Newfoundland is a large breed of dog. It weighs about10x10 pounds. Write 10 x 10 using an exponent. Then find the value of t

Keith_Richards [23]

10×10 as an exponent would be 10². Why? Because 10×10 equals 100 and do does 10².

So the Newfoundland dog weighs 100 pounds.

4 0

3 years ago

Someone please help me!!!!

Liono4ka [1.6K]

Answer: see proof below

<u>Step-by-step explanation:</u>

Use the Pythagorean Identity: cos²Ф + sin²Ф = 1

Use the Difference Identity: cos(A - B) = cosA · cosB + sinA · sinB

Use the Double Angle Identity: cos 2Ф = 1 - 2sin²Ф

<u>Proof LHS → RHS</u>

LHS: (cosA - cosB)² + (sinA - sinB)²

Expand: cos²A - 2cosA · cosB + <u>cos²B</u> + sin²A - 2sinA · sinB <u>+ sin²B</u>

Pythagorean Identity: 2 - 2cosA · cosB - 2sinA · sinB

Factor: 2(1 - (cosA · cosB + sinA · sinB))

Difference Identity: 2(1 - (cos(A - B))

Let Ф = (A-B)/2: 2(1 - cos2Ф)

Double Angle Identity: 2(1 - (1 - 2sin²Ф))

Simplify: 2(1 - 1 + 2sin²Ф)

= 4sin²Ф

Substitute (A-B)/2=Ф: 4sin²(A-B)/2

LHS = RHS: 4sin²(A-B)/2 = 4sin²(A-B)/2 $\checkmark$

4 0

3 years ago