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2 years ago

Please help! algebra homework

Mathematics

1 answer:

Serjik [45]2 years ago

7 0

Answer:

1: y=3/4x-2

2: y=-2x-5

3: y=7x+6

4: y=2x+1

HOPE I HELPED:)

Step-by-step explanation:

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2 years ago

Read 2 more answers

Can someone please please answer this and explain it? my math teacher didn’t :( will give brainliest points for explanation!!! (

AnnZ [28]

Answer:

QR = 1

Step-by-step explanation:

PR = PQ + QR

PR = x + 19

PQ = 9

So now put what you know in the equation above.

PR = 9 + 2x + 19

PR also equals x + 19

x + 19 = 9 + 2x + 19

x + 19 = 2x + 28

19 - 28 + x = 2x

-9 + x = 2x

-9 = 2x - x

-9 = x

===================

QR = 2x + 19

QR = 2*-9 + 19

QR = -18 + 19

QR = 1

This really is kind of a nasty question. You don't expect to get a minus number of x.

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2 years ago

Find the future value of 575 at 5.5% compounded quarterly for 5 years. Round to the nearest cent

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Answer:

Future value = $755.61 ( to the nearest cent)

Step-by-step explanation:

The formula for calculating the future value of an invested amount compounded periodically for a number of years is given as:

$FV = PV (1+\frac{r}{n} )^{n*t}$

where:

FV = future value = ???

PV = present value = $575

r = interest rate in decimal = 5.5% = 0.055

n = number of compounding periods per year = quarterly = 4

t = time of investment = 5 years

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∴ Future value = $755.61 ( to the nearest cent)

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