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dsp73
3 years ago
8

ANSWER USING STEPS: find the inverse function of y=-5x-7

Mathematics
1 answer:
stepan [7]3 years ago
4 0

the inverse of y is =x+7

Step-by-step explanation:

y=5x-7

then solve for x

5x=y+7

x=(y+7)/5

then exchange x with y

y=(x+7)/5

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Car is driving at the rate of 58km per hour. How much time will it take to drive for distance of 32 miles? REASON?
Veseljchak [2.6K]

As we are given

Car is driving at the rate of 58km per hour

First we will have to convert it into miles per hour

As we know that 1 km per hour =0.621371 miles per hour

So we can say 58km per hour=58*0.621371 miles per hour=36.0395 miles per hour

We are supposed to find -"How much time will it take to drive for distance of 32 miles"

As we know that

Distance=Speed*Time

Time=\frac{Distance}{Speed}\\ \\ Time= \frac{32 miles }{36.0395 mph}\\ \\ Time=0.8879 \ hr

7 0
3 years ago
NEED HELP ASAP NO LINKS!!!!!!!!!!!!!!!!!!!!!!On the first day it was posted online, a music video got 1500 views. The number of
timofeeve [1]

Answer:Answer: the total number of views that the video got over the course of the first 27 days is 718833

Step-by-step explanation:

The number of views that the video got each day increased by 18% per day. It means that the number of views is increasing in geometric progression. The formula for determining the sum of n terms(days), Sn of a geometric sequence is expressed as

Sn = (ar^n - 1)/(r - 1)

Where

n represents the number of terms(days) in the sequence.

a represents the first term in the sequence.

r represents the common ratio.

From the information given,

a = 1500

r = 1 + 18/100 = 1.18

n = 27 days

Therefore, the sum of the first 27 terms, S27 is

S27 = (1500 × 1.18^(27) - 1)/1.18 - 1

S27 = (1500 × 86.26)/0.18

S27 = 718833

Hopefully It helps:)

4 0
3 years ago
How many significant digits are there in the measurement 84,000 kg
alex41 [277]

Answer:

\boxed {\boxed {\sf 2 \ significant \ figures}}

Step-by-step explanation:

According to the "rules" of significant figures, all the zeroes to the right of the final non-zero number are <em>not </em>significant, unless there is a decimal point.

We are given the measurement:

84,000 kg

If there was a decimal point (84,000.0 kg), then there would be 5 significant figures.

Since there isn't a decimal point, all 3 zeroes to the right of the number 4 aren't significant. The 8 and 4 are significant, so there are <u>2 significant figures</u>.

6 0
4 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
storchak [24]
I hope this helps you

6 0
3 years ago
&lt;2<br> Need help with this question I have no clue how to do it
UkoKoshka [18]

Answer:

<DFE

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Or we can name it by the angle number <2

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