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anygoal [31]
3 years ago
10

Thx for helping the question is uppp

Mathematics
1 answer:
jeka943 years ago
6 0
;conc31yrx;8ny7rit1QTBI27WGT4KKINY8O3U9iw'oeua.yks
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Ank estimated that he drove about 450 miles in a week. He actually drove 485 miles. Find the percent error in Hank's estimate. R
yanalaym [24]

Answer:

7.2%

Step-by-step explanation:

Given data

Estimate=450miles

Actual= 485 miles

%error= actual-estimate/ actual*100

%error=35/ 485*100

%error=0.072*100

%error=7.2%

5 0
2 years ago
What is -8 • 7 + 33 / -11
Strike441 [17]

-8 x 7 = -56

33/-11 = -3

-56

+

-03

_______

-59

-59 is your answer!

Hope I helped!

Good Luck!

3 0
3 years ago
Read 2 more answers
Simplify the expression (2x − 9)(x + 6)
kenny6666 [7]

<u>Answer:  </u>

Simplified form of given expression (2x – 9 )( x + 6 )  is 2 \mathrm{x}^{2}+3 \mathrm{x}-54

<u> Solution: </u>

We need to simplify following expression.

(2x – 9) ( x + 6)  

For sake of simplicity lets first assume 2x – 9 = A

So expression becomes A(x+6)

= Ax + A6

Now replace A by 2x – 9

= (2x – 9 ) x + (2x – 9 ) 6

=2 \mathrm{x}^{2}-9 \mathrm{x}+12 \mathrm{x}-54

On simplification, we get

=2 \mathrm{x}^{2}+3 \mathrm{x}-54

Hence simplified form of given expression (2x – 9 )( x + 6 )  is = 2 \mathrm{x}^{2}+3 \mathrm{x}-54

7 0
2 years ago
A lap around a school track equals
Rom4ik [11]
B if you need an explain I can do it
3 0
2 years ago
Read 2 more answers
Nine more than 3 times a number is the same as 6 less than twice the number
Ludmilka [50]

Answer:

Step-by-step explanation:

Let the number  = x

3x + 9 = 2x - 6  Looks like you are going to get something negative here.

Subtract 2x from both sides.

3x - 2x + 9 = 2x - 2x - 6

x + 9 = -6    

Subtract 9 from both sides.

x + 9 - 9 = - 6 - 9

Combine

x = - 15

7 0
2 years ago
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