MATHEMATICS HIGH SCHOOL

Is x=4
X=7
Parallel, perpendicular, or neither

Answers

Answer 1
Answer:

Answer: Parallel.

Step-by-step explanation:

Because both points run across the x-axis, never cross, and are in straight lines, the points would be known as parallel to one another.

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What is the slope of a line parallel to the line 4x – 3y = 16?
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Ahmad has $x. Abu has $5 more than Ahmad. Razak has twice as much as Abu. Together they have $175. What is the value of x?

Answers

Abu X + 5

Razak 2x + 10

Ahmad X

Together 4x + 15

175 - 15 = 160

160 / 4 = 40

X = 40

Answer:$40

Step-by-step explanation:

Convert the angle 13°38'35\" to decimal degrees and round to the nearest hundredth of a degree..

Answers

We want to convert the angle  13°38'35\" to decimal degrees and round to the nearest hundredth of a degree. The answer will be 13.6397 degrees.
Hello,

13°38'35"=13°+38/60°+35/3600°=13,643055...≈13.64

An other way, using Windows 's calculator:

13.3835 INV DMS (or deg)

Find the area and perimeter of an isosceles trapezoid with legs 25cm and bases 16 cm and 30 cm.

Answers

Hi there, A=1/2(b1+b2)=1/2(h)(30+16). What we have to do is find h, 30-16=14/2=7, 25²-7²=625-49=576, we know that 576=24. So, h=24, 1/2(24)(30+16)=12(46). So, the area is 552 cm². Now, it's time to find the perimeter. P=b+b+l+l=30+16+25+25=96 cm. Therefore, the area is 552 cm² and the perimeter is 96 cm.

How much pure alcohol must be added to 400 ml of a 15% solution to make its strength 32%

Answers

Quantity of alcohol =400*15/100 = 60ml
x is pure alcohol which must be added : (x + 60)/(x + 400) = 32/100
100x + 6000 = 32x + 12800 => 68x = 6800 => x = 100
100ml pure alcohol must be added

Can you help please?​

Answers

Answer:

0

Step-by-step explanation:

-2/3a + 5/6a - 1/6

         

-2/3a + 5/6a = 1/6

1/6 - 1/6 = 0
-1/6a(-a+1)

you can factor out 1/6 from the equation to make -1/6a (4a-5a+1)
then combine like terms 4a-5a is -a

Marc can run 2 miles in 16 minutes. At this rate, how long will it take Marc to run 5 miles? A) 8 minutes
B) 30 minutes
C) 40 minutes
D) 50 minutes

Answers

16 / 2 = 8
8 x 5 = 40
It will take him 40 minutes to run 5 mile.

D) 40 minutes

Answer:

C) 40 minutes

Step-by-step explanation:

It takes Marcus 8 minutes to run a mile. In 40 minutes, Marcus would have ran 5 miles.

1 mile = 8 minutes

5 miles x 8 minutes = 40 minutes to run five miles
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