3 years ago

Help pls I will give you 15 point

Mathematics

1 answer:

Komok [63]3 years ago

5 0

Answer:

its c

Step-by-step explanation:

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Two angles of traingle is 40° and 60° . find the measurement of the third angle

allochka39001 [22]

Answer:

80 degrees

Step-by-step explanation:

the angles in a triangle all add up to 180 degrees

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3 years ago

Find: (4x2y3 + 2xy2 – 2y) – (–7x2y3 + 6xy2 – 2y) Place the correct coefficients in the difference.

DanielleElmas [232]

Answer: Our required answer will be

$11x^2y^3-4xy^2$

Step-by-step explanation:

Since we have given that

$(4x^y^3+2xy^2-2y)-(-7x^2y^3+6xy^2-2y)$

We need to get the difference:

1) We first open the second bracket and make appropriate change in signs :

$4x^y^3+2xy^2-2y+7x^2y^3-6xy^2+2y$

2) Gather the like terms together :

$4x^2y^3+2xy^2-2y+7x^2y^3-6xy^2+2y\\\\=4x^2y^3+7x^2y^3+2xy^2-6xy^2-2y+2y\\\\=11x^2y^3-4xy^2$

Hence, our required answer will be

$11x^2y^3-4xy^2$

5 0

3 years ago

Read 2 more answers

Simplify the following expression.

VladimirAG [237]

Answer:

Step-by-step explanation:

It is just common sense. The top numbers have to be smaller than the top numbers

7 0

4 years ago

In the united states the speed limit signs are in Miles per hour. Unfortunately, your speedometer only reads in km/hour. How man

ohaa [14]

Hello,

1mph = 1.60934kph

70 x 1.60934 = 112.6538

Answer:

70mph = 112.6538kph

8 0

3 years ago

PLEASE HELP ASAP i need answer

pshichka [43]

Answer:

x= -6 y=11, x=3 y=5, x=15 y= -3, and when x= -12 y= 15

Step-by-step explanation:

you enter the equation into your calculator into y=, then hit 2nd graph to look at your table to see if the variables matched.

7 0

3 years ago