MATHEMATICS MIDDLE SCHOOL

Need help to find x
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need help to find x ​ - 1

Answers

Answer 1
Answer:

Answer: x = 15

Step-by-step explanation: since ABCD is a parrallelogram, 9x-28 = 7x+2

if we solve that, we get x=15
Answer 2
Answer: The anwser is x = 15

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Equivalent fractions for 15/35

Answers

(15)/(35) /5 \n (15/5)/(35/5) \n (3)/(7)

That's the simplest form of 15/35. You can use 3/7 to get other equivalent fractions by multiplying the numerator and denominator by the same number. Other examples are 9/21, 6/14, and 12/28.
Hope this helps!

Tom has a water tank that holds 5 gallons of water.Tom uses water from a full tank to fill 6 bottles that each hold 16 ounces and a pitcher that holds 1/2 gallon.How many ounces of water are left in the water tank?

Answers

Answer:

503.525 gallon ( approx )

Step-by-step explanation:

Given,

Water hold by of the water tank = 5 gallon

We know that, 1 gallon = 133.228 ounces

⇒ Water hold by of tank in ounces = 5 × 133.228 = 666.139 ounces,

Here, it is given that, 6 bottles that each hold 16 ounces and a pitcher that holds 1/2 gallon is used from tank,

Since, the quantity of water hold by6 bottle in which each hold 16 ounces = 6 × 16 = 96 ounces,

Also, 1/2 gallon = 1/2 × 1 gallon = 1/2 × 133.228 = 66.614 ounces

Thus, the total consumed water = 96 + 66.614 = 162.614 gallon

Hence, the quantity of water left in the tank = Water hold by of tank in ounces - the total consumed water

= 666.139 - 162.614

= 503.525 gallon
1 gallon is 128 ounces, 5 gallons is 640 ounces. So 6*16=94 ounces Pitcher equals 64 ounces, so 640-158=452, there are 452 ounces of water left

The circumference of the earth is approximately 25,000 miles at the equator. If you board a Boeing 747, the average cruise speed is 565 mph. Assuming you fly in a straight line, it would take approximately 44 hours to travel around the earth and get back to where you started. How many hours would it take you to travel 6,000,000 miles?

Answers

in this question, the distance around the earth is slighly irrelivant


distance=speed times time
distance=6,000,000
speed=565
time=x
6,000,000=565 times x
divide both sides by 565
10,619.46=x
times 10,619.46 hours

Tell whether x and y show direct variation.
xy=5

Answers

Form of direct variation looks like y = kx, where k is any constant number (2, 3/4, 1/3, etc)

So here you have xy = 5.

Divide both sides by x, and you have y = 5/x.

So it is not direct variable, it is inverse variation.
direct variation is when a=x/y a stays constant so when x goes up, then y also goes up so lets say a=2 then 2=x/y so if x is 2 then y=1 if x is 4 then y=2

indirect variation is a=xy where when x goes down y goes up so less say a=2 then if x=2 then y=1 if x=1 then y=2


for number 9. it shows direct variation because when x goes up, y also must go up

Anyone know how to get 96cm^2 because I got it wrong and that was the correct answer. Show me how to get D for number seven with work

Answers

area around
we see that all side are 4 legnth
therfor we have a cube
cube has 6 sides tha are sqyares

area of squaer=side^2
side=4

so
SA=6s^2
SA=6(4)^2
SA=6(16)
SA=96 cm^2

what you did is you found the volume
What you did is volume!
Surface area:
Take the area of one face on a cube.  4*4=16
Now multiply it by 6 because all 6 faces on a cube are equal in area.
You get 96 cm squared

3 2/3 × 1 3/4 ((please help ))

Answers

The answer is 6 5/12.  You have to find a common denominator and then multiply the fraction.  Hope this helps!
convert those 2 number into improper fractions to make it easy:
3 2/3 --> 11/3
1 3/4 -->7/4

the new problem is:
11/3 x 7/4

just multiply across now
11/3 x 7/4 = 77/12

im guessing your teacher wants the answer as a mixed number so convert 77/12 into a mixed number:
12 x 6=72  (the whole number is 6)
77-72=5    (5 is the numerator)  

answer: 6 5/12
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