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mojhsa [17]
3 years ago
11

Simplify the expression by combining like

Mathematics
1 answer:
viva [34]3 years ago
4 0

Answer:

Below

Step-by-step explanation:

First we combine your first set of terms,

7b^2 + 2b^2 = 9b^2

There's a subtraction hidden in there!

9b^2 - 3b^2 = 6b^2

Next we do the same thing for the second term,

3b + 7b = 10b

but there's a subtraction in the expression!

10b - b = 9b

Then we finish with our third term

6 + 5 = 11

Answer:

6b^2 + 9b + 11

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Answer: good thinking

Step-by-step explanation:

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7 0
2 years ago
(Please someone help)
8_murik_8 [283]

Answer:

A. 42 peaches and 56 strawberries

Step-by-step explanation:

3 · 14 = 42

4 · 14 = 56

6 0
2 years ago
Given that DA is a diameter of circle B, angle CBA is a right angle, and mAF=65 degrees, find mDE
yulyashka [42]
A. 29
b. 36
c. 49
d. 61 

...
the answer's a. 29.
4 0
3 years ago
The population P of rabbits on a small island grows at a rate that is jointly proportional to the size of the rabbit population
user100 [1]

Answer:

Option D:

\frac{dP}{dt} = kP(2400 - P)

Step-by-step explanation:

Differential equation:

For the population in function of the time, is:

\frac{dP}{dt}

The population P of rabbits on a small island grows at a rate that is jointly proportional to the size of the rabbit population and the difference between the rabbit population and the carrying capacity of the population

Carring capacity is 2400.

This means that the differential equation is kP(size of the population multiplied by the constant) multiplied by 2400 - P(difference between the population and the carrying capacity). So

\frac{dP}{dt} = kP(2400 - P)

So the answer is given by option D.

8 0
2 years ago
7. Find the measure of the angle of elevation of the sun when a boy 5 feet tall cast's a shadow
Alecsey [184]

Answer:

45\degree

Step-by-step explanation:

We use trigonometry to find the angle of elevation.

From the diagram, the angle of elevation of the sun is \angle A

Recall the mnemonics SOH CAH TOA.

\tan A=\frac{Opposite}{Adjacent}

\tan A=\frac{5}{5}

\tan A=1

A=\tan^-1{1}=45\degree

Therefore the angle of elevation of the sun is 45\degree

See attachment

8 0
3 years ago
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