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CaHeK987 [17]
3 years ago
14

Joanne is depositing money into a bank account. After 3 months there is $150 in the account. After 6 months there is $300 in the

account. Determine the constant rate of change of the account.
Mathematics
2 answers:
Dimas [21]3 years ago
6 0
The constant rate is 50 dollars per month. I hope this helps!
Evgesh-ka [11]3 years ago
3 0

Answer:

The constant rate of change of the account is $50 or Increasing by $50 per month.

Step-by-step explanation:

Consider the provided information.

Joanne is depositing money into a bank account. After 3 months there is $150 in the account. After 6 months there is $300 in the account.

Rate of change is known as how one quantity change in relation to other.

The rate of change can be calculated as:

\frac{y_2-y_1}{x_2-x_1}

Now use the above formula to calculated the rate of change.

\frac{300-150}{6-3}

\frac{150}{3}

50

Hence, the constant rate of change of the account is $50 or Increasing by $50 per month.

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Help with question 17
Kruka [31]
Ok if you show me the question I can try to help but you got to show it
7 0
3 years ago
What the correct answer do not want the wrong answer please
Crank

Answer:

388.5yd²

Step-by-step explanation:

We have Triangle TUV

In the question, we are given already

Angle U = 32°

Angle T = 38°

Angle V = ???

Side t = 31yd

Side u = ?

Side v = ?

Area of the triangle= ?

Step 1

We find the third angle = Angle V

Sum of angles in a triangle = 180°

Third angle = Angle V = 180° - (32 + 38)°

= 180° - 70°

Angle V = 110°

Step 2

Find the sides u and v

We find these sides using the sine rule

Sine rule or Rule of Sines =

a/ sin A = b/ Sin B

Hence for triangle TUV

t/ sin T = u/ sin U = v/ sin V

We have the following values

Angle T = 38°

Angle U = 32°

Angle V = 110°

We are given side t = 31y

Finding side u

u/ sin U= t/ sin T

u/sin 32 = 31/sin 38

Cross Multiply

sin 32 × 31 = u × sin 38

u = sin 32 × 31/sin 38

u = 26.68268yd

u = 26.68yd

Finding side x

v / sin V= t/ sin T

v/ sin 110 = 31/sin 38

Cross Multiply

sin 110 × 31 = v × sin 38

v = sin 110 × 31/sin 38

v = 47.31573yd

v = 47.32yd

To find the area of triangle TUV

We use heron formula

= √s(s - t) (s - u) (s - v)

Where S = t + u + v/ 2

s = (31 + 26.68 + 47.32)/2

s = 52.5

Area of the triangle = √52.5× (52.5 - 31) × (52.5 - 26.68 ) × (52.5 - 47.32)

Area of the triangle = √150967.6032

Area of the triangle = 388.5454973359yd²

Approximately to the nearest tenth =388.5yd²

5 0
4 years ago
MATH HELP?!!
Novosadov [1.4K]
I think it's true also 
8 0
3 years ago
At a concert 20% of the audience members were teenagers.If the numbers of teenagers at the concert was 360, what was the total n
puteri [66]

So we know 20% of the audience are teenagers, and there are 360 teenagers.

Therefore, 1/5 of the audience members were teenagers, and that means 1/5 of the audience members is 360.

Multiply it by 5 to get answer:

360 * 5 = 1800

The total number of audience members are 1800.

8 0
3 years ago
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Pls help me with my math homework
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I also got the answer of 144 too
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