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vladimir1956 [14]
2 years ago
6

What’s the value and what makes the x in the equation -6(x+11)+ 2x = 70 true ?

Mathematics
2 answers:
madreJ [45]2 years ago
4 0

Answer:

x=-34

Step-by-step explanation:

isolate the variable by diving each side by the factors that don't contain a variable.

IceJOKER [234]2 years ago
4 0
I got more to add hope it helps

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I really need help with these questions
Alona [7]

Answer:

£10.91

Step-by-step explanation:

72p is 1kg of potatoes

1kg of carrots is 62p

10kg of potatoes is £7.20 add 3 extra kg's

which is £2.16

add £2.16 with £7.20 = £9.36

2kg of carrots is £1.24 add an extra half of kg an you get £1.55

4 0
3 years ago
The sign on a clearance rack tells customers the price is 1/2 the lowest marked price. If an item is marked $9.98, how much will
Artyom0805 [142]

Answer:

4.99

Step-by-step explanation:

9.98 divide by 2

3 0
3 years ago
Derivative of the following cos(x^{2} y)=y^{2}
MatroZZZ [7]

Answer:

\cos( {x}^{2}y )  =  {y}^{2}  \\  \frac{d( \cos( {x}^{2}y) ) }{dx}  =  \frac{d( {y}^{2}) }{dx}  \\ (2xy +  {x}^{2} \frac{dy}{dx}  ).( -  \sin( {x}^{2} y) ) = 2y \frac{dy}{dx}  \\   \frac{- 2xy \sin( {x}^{2}y )   -  {x}^{2}  \sin( {x}^{2} y) }{2y}  =  \frac{dy}{dx}  \\

3 0
2 years ago
The graphs shown are of the form y = ax2. Which graph has the smallest value for a?
julia-pushkina [17]
y= x^{2} is a parabola (looks like the letter U).

The letter a represents the coefficient of x^{2} and it controls two things (1) how wide or narrow the parabola is and (2) whether it is concave up (like a U) or concave down (like an up-side-down).

The absolute value of a (the number without the sign) controls how wide or narrow it is. If the absolute value is a fraction less than 1 the graph gets wider. The smaller the absolute value of the fraction the wider the graph gets.

If the absolute value of a is greater than 1 the graph gets narrower (it gets skinnier). The bigger the absolute value the narrower the graph.

So, if all the graphs look like a U (concave up) then the one with the smallest a is the one that is the widest.

The a also controls whether the graph is concave up or concave down. If a is negative

If a is negative the graph is concave down so any graph that is concave down has a smaller value of a than any graph that is concave up. However, if the graph is concave down the one with the smallest a would be the most narrow one.

So to find the one with the smallest a...
If they are all concave up (like a U) pick the widest one
and
If they are not all concave up pick the narrowest one that is concave down (looks like an upside down U)
3 0
2 years ago
Please explain to me EVERYTHING about percentages (7th grade level.) Tell me anything percentage related. Please and thank you !
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What part in percentages are you having trouble with
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3 years ago
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