math
To square 75, one can multiply (70)(80) and add 25 to that product. Can someone explain how this would work, without calculating?
math
To square 75, one can multiply (70)(80) and add 25 to that product. Can someone explain how this would work, without calculating?
Math
A trail mix contains a 4: 7 ratio of raisins to peanuts. How many kilograms of raisins are there if there are four kilograms of peanuts in the mix?
maths
what length is each side of a rhombus if its perimetre is 120cm
math
Graph the function f(x)=6-1/(x+4)^2 using transformations. State: a.the domain b.the range c.the asymptotes i do not get this at all, i am totally lost! please help!!!
math
a cycle company make bicycles, tricycles an unicycles. Last week they made 120 more bicycles than unicycles, and 4 times as many tricycles as unicycles. If they made 75 more bicycles than tricycles, how many unicyles did they make? I dont understand how to do this, please help
Math
A car wheel has a diameter of 0.4 meters. Work out how many full turns the wheel makes when the car travels a kilometer
Algebra please help!!
Find the number of terms in each sequence. 1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=-3; find s8 4. E like symbol with a 10 on top. On the bottom k=1 to...
Algebra please help!!
Find the number of terms in each sequence. 1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=-3; find s8 4. E like symbol with a 10 on top. On the bottom k=1 to...
Algebra please help!!
Find the number of terms in each sequence. 1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=-3; find s8 4. E like symbol with a 10 on top. On the bottom k=1 to...
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