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just olya [345]
3 years ago
10

Evaluate the expression 12.6 (2-3) + 2^6 divided by 4

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0

\bf 12.6(2-3)+2^6 \div 4\implies \stackrel{\mathbb{P~E~M~D~A~S}}{12.6(\stackrel{\stackrel{2-3}{\downarrow }}{-1})}+2^6\div 4\implies 12.6(-1)+\stackrel{\stackrel{2^6}{\downarrow }}{64}\div 4 \\\\\\ \stackrel{\stackrel{12.6(-1)}{\downarrow }}{-12.6}+64\div 4\implies -12.6+\stackrel{\stackrel{64\div 4}{\downarrow }}{16}\implies \stackrel{\stackrel{-12.6+16}{\downarrow }}{3.4}

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Given the figure below, find the values of x and z.
N76 [4]

Answer:

x=9

z=73

Step-by-step explanation:

Angle 107 and 8x+35 are vertical angles, so they are equal

107 = 8x+35

Subtract 35 from each side

107-35 = 8x+35

72 = 8x

Divide by 8

72/8 = 8x/8

9 =x

We also know that 107 and z are supplementary angles since they form a straight line.  This means they add to 180 degrees

107+z = 180

Subtract 107 from each side

107-107+z=180-107

z =73

5 0
3 years ago
John drove 450 miles in 8 hours. he averaged 50 miles per hour on the highway and 60 miles per hour on the turnpike. how many ho
Alexeev081 [22]
Total distance John drove=450 miles
total time=8 hours
let the number of hours he drove on highway be x, number of hours he drove on turnpike will be (8-x) hours
since
distance=speed*time
distance traveled in highway=50x
distance traveled in turnpike=60(8-x)
thus the total distance will be:
50x+60(8-x)=450
simplifying the above
50x+480-60x=450
-10x=450-480
-10x=-30
thus
x=3 hours
Thus he drove on highway for 3 hours.
3 0
3 years ago
A package of 8 pens costs $1.09. Milo’s work to find the unit price of the pack is shown below.
Anuta_ua [19.1K]
I think the answer is C. "He made a place value error when dividing. If he would have divided 1.09 by 8, he would have found the price of each individual pen.

4 0
3 years ago
Read 2 more answers
.MARY WAS TOLD TO RUN AROUND THE TRACK 5 TIMES BY HER COACH. ONCE AROUND THE TRACK IS 5/6 OF A MILE. MARY WAS ONLY ABLE TO RUN A
Alenkasestr [34]

Answer:

3.61 miles

Step-by-step explanation:

Given that:

Length of track = 5/6 of a mile

Number times Mary was able to run around the track = 4 1/3 times

Total miles ran by Mary :

(Equivalent mile of the track * number of times Mary ran around the track)

5/6 of a mile * 4 1/3 times

5/6 * 13/3

= 65 / 18

= 3.611111 miles

Hence, total Number of miles ran by Mary is 3.61 miles

3 0
3 years ago
Please help......<br> <br><br><br><br><br> Please....
son4ous [18]

Answer:2

Step-by-step explanation:

8 0
2 years ago
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