Just started a new unit and I have no idea what to do anyone have a simpler way to explain this?

Mathematics

1 answer:

jonny [76]2 years ago

4 0

Well it looks like you just need to get the y axis number and the x axis number and multiple then

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i need you to increase the number of customers you talk to daily by 20%. I talk to an average of 8 customers per hour during an

Andre45 [30]

First find out how many customers you talk to in an 8 hr shift
Rate is (8cs/hr)(8hr)=64 customers
So to increase by 20%, multiply the total number of customers by 120%, all the customers before plus the 20%, so (64)(1.2)=76.8, or 77 customers

7 0

2 years ago

You have $500 in a savings account. How long will it take to double that

kondor19780726 [428]

Answer:

Step-by-step explanation:

The formula for compound annual interest is A = P(1 + r)t where

A = Accumulated or final amount (double $500 = $1000)

P = Principal or original amount ($500)

r = Rate as a decimal (0.08)

t = Time in years

1000 = 500(1 + 0.08)t

2 = 1.08t

Take the logarithm of both sides. I prefer the natural logarithm ln, but if you're more comfortable with base 10 logs they will work just as well

ln(2) = ln(1.08t)

ln(2) = t*ln(1.08)

t = ln(2)/ln(1.08)

t = 9.0065 years

Check: 500*1.089.0065 = $1000

4 0

2 years ago

R is the first quadrant region enclosed by the x-axis and the curve y = 2x + b, and the line x = b, where b > 0. Find the val

Elis [28]

The area of $R$ is given by the integral

$\displaystyle\int_0^b(2x+b)\,\mathrm dx=288$

Integrating yields

$(x^2+bx)\bigg|_{x=0}^{x=b}=(b^2+b^2)-(0+0)=2b^2$

So you have

$2b^2=288\implies b^2=144\impiles b=12$

5 0

2 years ago

E is an option btw but i need work provided plz!

enot [183]

PQ is a radius. QS is tangent to the circle. In this scenario (a radius and a tangent passing through the same point of the radius) the two segments are always perpendicular.

This implies that PQS is a right triangle. We know that PQ = 10 because it's a radius.

Also, we have

$PS=PR+RS = 10+16 = 26$