X+X+X=75 X-Y*Y=0 Z+Y-X=10 X=25 Y=? Z=?

X+X+X=75 X-Y*Y=0 Z+Y-X=10 X=25 Y=? Z=?

y = 2x + 1 Y = -4x + 7

The distance from the centre of a clock to the tip of its second hand is 6 cm. How far, to the nearest metre, will the tip of the second hand travel in one day?

10cm3 of a normal specimen of human blood contains 1.2g of hemoglobin. A new piece of equipment, requiring significant effort to calibrate, was installed in the lab. The first 5 samples of 25cm3 yielded...

Christian is four times Claras age and Emily is six years older than Clara who is six years younger than Zack if Anna is twice as old as Clara and the total of their ages is 81 how this Christian...

PART A) What is the perfect square trinomial Part B factor the trinomial

Please solve this a/x-a + b/x-b = 2c/x-c

Hi, Thanks for looking at this post. Suppose if A+B+C=100 then the contribution % of A,B,C is A/100 , B/100, C/100 respectively. 1) Similarly what if the contribution...

This question is related to Algebra and needs urgent answers please.

A number plate of a car contains 4 numbers.double of first number is the last number,the numbers on the middle are equal,double the first two number is the last two numbers.Find the four numbers...

x- intercepts:3 y- intercepts:5

I need to find x, (amount of cornmeal that needs to be in the micture) and y, (amount of soybean that is needed for the mixture)

math help!

Solve equation 0.13t-3.7=0.08t-0.5

Hello everyone I have some serious problem about understanding these symbols and the way in which Ben-Tal_2004 has written his paper. I want to ask you to help me and...

Add added 32 inches to 1/8 of Nancy height and then subtracted 88 inches if Steven Ed ended up with the same numbers how tall is Nancy

An airplane takes 5 hours to travel a distance of 4000km against the wind. The return trip takes 4 hours with the wind. What is the rate of the plane in still air and what is the rate...

Ed added 32 inches to 1/8 of Nancy's height. Steve doubled Nancy's height and then subtracted 88 inches. If Steve and Ed ended up with the same numbers, how tall is Nancy?

Ryan weighs twice as much as Steve and the total of their weight is 195 pounds how much does Steve weigh

There are two numbers whose sum is 144 one number is three times as large as the other number what is the smallest number

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