Find the measure of Angle 5. measure of angle 7 = 2x+15 measure of angle 8 = 3x

Answers

Answer 1

Answer: * 7 = 2x+15
-2X = 15 - 7
X = 8/-2
x = -8/2

*8 = 3x
3x = 8
x = 8/3

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Y=2x+1answers anyone?

Determine whether each relation represents a function. For each function, state the domain and range. 1) {(2,6), (-3,6), (4,9), (1,10)}
2) {(1,3), (2,3), (3,3), (4,3)}
3) {(-2,4), (-2,6), (0,3), (3,7)}
4) {(-2,4), (-1,1), (0,0), (1,1)}

Answers

Option 1 , 2 and 4 is defined as a function.

And, for 1 relation;

The domain of relation = {2, -3, 4, 1}

And, Range of relation = {6, 9 ,10}

For 2 relation;

The domain of relation= {1, 2, 3, 4}

The range of relation = {3}

For 4 relation ;

The domain of the relation = {-2, -1, 0, 1}

The range of the relation = {4, 1, 0}

What is function?

A function is defined as a relation between a set of input having only one output.

Now,

The relation is;

1) {(2,6), (-3,6), (4,9), (1,10)}

Hence, The domain of relation = {2, -3, 4, 1}

And, Range of relation = {6, 9 ,10}

Clearly, Each input (domain) has only one output (range)

Hence, The given relation is function.

For,The relation;

2) {(1,3), (2,3), (3,3), (4,3)}

The domain of relation= {1, 2, 3, 4}

The range of relation = {3}

Clearly, Each input (domain) has only one output (range).

Hence, The given relation is function.

For, The function;

3) {(-2,4), (-2,6), (0,3), (3,7)}

Clearly, -2 has two image 4 and 6.

So, This relation is not a function.

For, The function;

4) {(-2,4), (-1,1), (0,0), (1,1)}

The domain of the relation = {-2, -1, 0, 1}

The range of the relation = {4, 1, 0}

Clearly, Each input (domain) has only one output (range).

Hence, This relation is a function.

Therefore,

Option 1 , 2 and 4 is defined as a function.

And, for 1 relation;

The domain of relation = {2, -3, 4, 1}

And, Range of relation = {6, 9 ,10}

For 2 relation;

The domain of relation= {1, 2, 3, 4}

The range of relation = {3}

For 4 relation ;

The domain of the relation = {-2, -1, 0, 1}

The range of the relation = {4, 1, 0}

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$D-domain;\ R-range\n\n1)\ \{(2;\ 6),\ (-3;\ 6),\ (4;\ 9),\ (1;\ 10)\}\ YES\ :)\nD=\{2;-3;\ 4;\ 1\};\ R=\{6;\ 9;\ 10\}\n\n2)\ \{(1;\ 3),\ (2;\ 3),\ (3;\ 3),\ (4;\ 3)\}\ \ \ YES\ :)\nD=\{1;\ 2;\ 3;\ 4\};\ R=\{3\}\n\n3)\ \{(\fbox{-2};\ 4),\ (\fbox{-2};\ 6),\ (0;\ 3),\ (3;\ 7)\}\ \ \ NO\ :(\n\n4)\ \{(-2;\ 4),\ (-1;\ 1),\ (0;\ 0),\ (1;\ 1)\}\ \ \ \ YES\ :)\nD=\{-2;-1;\ 0;\ 1\};\ R=\{4;\ 1;\ 0\}$

Solve for x:
3x^2-5x=2

Answers

$3{ x }^( 2 )-5x=2\n \n 3{ x }^( 2 )-5x-2=0\n \n \left( 3x+1 \right) \left( x-2 \right) =0\n \n \therefore \quad x=2\n \n \therefore \quad x=-\frac { 1 }{ 3 }$

Which system of equations has the same solution as the system below? 2x+2y=16 and 3x-y=4

Answers

4x divide 16 3x-4y it is the answer

A bag holds 5 pounds of pet food. If Paul uses the 5 pounds of food to fill 6 plastic containers equally, how much pet food will each container hold?

Answers

The amount of pet food will each container hold will be 0.83 pounds.

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

A bag holds 5 pounds of pet food.

And, Paul uses the 5 pounds of food to fill 6 plastic containers equally.

Now,

Since, Paul uses the 5 pounds of food to fill 6 plastic containers equally.

Hence, The amount of pet food contain by each container = 5/6

= 0.83 pounds

Thus, The amount of pet food contain by each container = 0.83 pounds

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5 pounds=6 containers how about 1
1 x 6 divided by 5
each=0.83

I don't know how to do this

Answers

$a_1=2;\ r=-(3)/(2)\n\na_2=a_1r\to a_2=2\cdot\left(-(3)/(2)\right)=-3\n\na_3=a_2r\to a_3=-3\cdot\left(-(3)/(2)\right)=(9)/(2)\n\na_4=a_3r\to a_4=(9)/(2)\cdot\left(-(3)/(2)\right)=-(27)/(4)\n\na_5=a_4r\to a_5=-(27)/(4)\cdot\left(-(3)/(2)\right)=(81)/(8)$

Solve –5√ x = –15.

A. x = –7
B. x = –9
C. x = 7
D. x = 9