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2 years ago

What is the gradient of the graph shown? Give your answer in its simplest form.

Mathematics

1 answer:

harina [27]2 years ago

6 0

1/3

Step-by-step explanation:

I used the points (0,2) and (-6,0). I hope this helps!

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Becky has been tracking the population of a town. The population was 5,340 last year and has been increasing by 1.75 times each

Scorpion4ik [409]

<span> the population grows at rate of 1.75
multiply it by this rate every year
As in year 3 it would be 5340(1.75)(1.75)(1.75) the function is 5340(1.75)^x
</span>f(x) = 5340(1.75)^x where 1.75 is the rate of growth
so D is right answer

5 0

3 years ago

Say you have $14,000 to invest into an investment account. You can either invest your money into an account with a 7% annual int

taurus [48]

Answer:

You should choose an account with a 7% annual interest rate which is compounded quarterly

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

part 1)

we have

$t=15\ years\\ P=\$14,000\\ r=0.07\\n=4$

substitute in the formula above

$A=14,000(1+\frac{0.07}{4})^{4*15}$

$A=14,000(1.0175)^{60}$

$A=\$39,645.43$

part 2)

we have

$t=15\ years\\ P=\$14,000\\ r=0.068\\n=12$

substitute in the formula above

$A=14,000(1+\frac{0.068}{12})^{12*15}$

$A=14,000(1.0057)^{180}$

$A=\$38,713.11$

7 0

3 years ago

A math teacher has $900 to buy new calculators. If each calculator costs $90, how many

love history [14]

Answer:

10 calculators

all you have to do is divide 900 by 90

in order to get the answer

when you divide by 90 you get the answer of 10

Step-by-step explanation:

6 0

2 years ago

Ect the best answer for the question,

dlinn [17]

Look at the signs and turn it into an easier form:
35 - 13 + 8 + 6

= 36

5 0

2 years ago

Read 2 more answers

What is the slope of each of these three graphs?

LuckyWell [14K]

[5] No slope (or a slope of 0)

There is no incline or decline to the line, so there is no slope.

[6] 1

We can use "rise over run" since we have clear points on the graph. <em>See attached</em>.

[7] Undefined slope

This slope of this line is undefined. The formula for slope is $\frac{\text{change in y}}{\text{change in x}}$ which becomes $\frac{0}{0}$ in a case like this. You cannot divide by 0, giving a slope of undefined.

5 0

2 years ago