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mr_godi [17]
3 years ago
6

Is it a function or non function?

Mathematics
1 answer:
Otrada [13]3 years ago
6 0
It is a function because each x values have ONE y value
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Dan invests £11000 into a savings account. The bank gives 3.9% compound interest for the first 3 years and 4.5% thereafter. How
rodikova [14]
The initial amount of the money is £11,000 and the interest is 3.9% per year for first 3 years and then 4.5% after that. If Dan invests it for 7 years, that means the interest would be 3 years of 3.9% and 4 years of 4.5%.
The calculation would be:

total money= initial amount * interestrate1 * interest 2
total money= £11000 *(100%+3.9%)^3<span>*(100%+4.5%)^4
</span>total money= £11000 *(103.9%)^3 * (104.5%)^4
total money= £11000 * <span>1.121622319 </span>* 1.1925186
total money= £14,713.11

8 0
3 years ago
What is the relative size of (how many times as large) a circle's' circumference C to its diameter, d
Pavlova-9 [17]

Answer:

The circumference is pi times larger than the diameter of a circle.

Step-by-step explanation:

The formula of the circumference of a circle is

C = 2(pi)r = (pi)d

C = (pi)d

To find the ratio of the circumference to the diameter, divide both sides of the equation by d.

C/d = pi

The circumference is pi times larger than the diameter of a circle.

4 0
3 years ago
Add the two expressions. m + 6 and 4m + 2 Enter your answer in the box. plz help me
vampirchik [111]
The answer should be 5m + 8
7 0
3 years ago
Read 2 more answers
14x17 distributive property to solve it
STALIN [3.7K]

Answer:

238

Step-by-step explanation

(10*10)+(10*7)+(4*10)+(4*7)

4 0
3 years ago
Can anyone explain how to do this? The answer isn't as important as the explanation. My teacher gave us a video w/o an example l
solong [7]

Answer:

x = 182.53

Step-by-step explanation:

Use trigonometric ratios to find the whole side length (a) adjacent to 20° and the side length (b) adjacent to 57° respectively. Then find the difference. That would give you the value of x. That is: a - b = x

Let's solve.

✍️Finding the whole side length adjacent to 20°:

Opp = 87

Adjacent length = ? = a

\theta = 20

Thus,

tan(\theta) = \frac{opposite}{adjacent}

Plug in the values

tan(20) = \frac{87}{a}

Multiply both sides by a

tan(20) \times a = \frac{87}{a} \times a

tan(20) \times a = 87

Divide both sides by tan(20)

\frac{tan(20) \times a}{tan(20)} = \frac{87}{tan(20)}

a = \frac{87}{tan(20)}

a = 239.03

Finding the side length adjacent to 57°:

Opp = 87

Adjacent length = ? = b

\theta = 57

Thus,

tan(\theta) = \frac{opposite}{adjacent}

Plug in the values

tan(57) = \frac{87}{b}

Multiply both sides by b

tan(57) \times b = \frac{87}{b} \times b

tan(57) \times b = 87

Divide both sides by tan(57)

\frac{tan(57) \times b}{tan(57)} = \frac{87}{tan(57)}

b = \frac{87}{tan(57)}

b = 56.50

Therefore:

x = a - b

x = 239.03 - 56.50

x = 182.53

4 0
3 years ago
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