3 years ago

Multi variable calc question on differentiability

Mathematics

1 answer:

MaRussiya [10]3 years ago

6 0

Answer:

uhhhhh what.

Step-by-step explanation:

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Solve by using substitution<br>-7x-2y=-13 and x-2y=11

netineya [11]

$\left \{ {{-7x-2y=-13} \atop {x-2y=11}} \right. \\\\ \left \{ {{-7x-2y=-13} \atop {x=11+2y}} \right.\\\\
Substitute\ second\ equation\ into\ the\ first\ one:\\\\
-7(11+2y)-2y=-13\\
-77-14y-2y=-13\\
-77-16y=-13\ \ \ |Add\ 77\\
-16y= 64\ \ \ |Divide\ by\ -16\\
y=-4\\\\x=11+2y=11+2*(-4)=11-8=3\\\\ \left \{ {{y=-4} \atop {x=3}} \right.$

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4 years ago

3/5 of the students in mrs. Hanson class have dogs.

tamaranim1 [39]

1/5 of the class you multiply the fractions and simplify it

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4 years ago

Need help<br> Pic either below or above

Tamiku [17]

Answer:

sup mate

Step-by-step explanation:

|x+4|=2

x+4 = +2 or x+4=-2

x= -2 or x = -6

hence we get 2 value -2 and -6 which belongs option 1 so ans is option 1

pls brainliest I'd you don't mind

8 0

3 years ago

Please can someone show me how to work this out step by step without a calculator

Artyom0805 [142]

$2\sqrt8\times8\sqrt2=(2\times8)\sqrt{8\times2}=16\sqrt{16}=16\times4=64$

Alternatively, you can write radicals as rational exponents, so that you get

$2\sqrt8\times8\sqrt2=2\tiems8^{1/2}\times8\times2^{1/2}=2^{3/2}8^{3/2}$

Then recalling that $2^3=8$ , you have

$2^{3/2}8^{3/2}=2^{3/2}(2^3)^{3/2}=2^{3/2}2^{9/2}=2^{12/2}=2^6=64$

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4 years ago

Mrs.sipp has 4.6 l of lemonade to serve her son's birthday guests. About how many millimeters should she pour into each glass?

vlabodo [156]

1 litre = 1000 ml
4.6 litre = 4600 ml

4600 / people = how much she should pour into each glass

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3 years ago