MATHEMATICS HIGH SCHOOL

Find the value of k so that the line through the given points has slope m.(k+1, k-1), (k-k); m=k+1

Answers

Answer 1

Answer:

Answer:

-3/2

Step-by-step explanation:

formula of slope (y2-y1/x2-x1)

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Larisa buys 5 hats for $9.99 each. how much does she spend

Answers

If you would like to know how much money does Larisa spend on the hats, you can calculate this using the following steps:

5 hats * $9.99 = 5 * 9.99 = $49.95

The correct result would be $49.95.

5 × $9.99 = $49.95 spent Larisa.

5x - 2y = 6x = 5 - y
Solve the system of equations by substitution.

(16/7, 19/7)
(-4/3, 19/3)
no solution
coincident

Answers

sub

x=5-y
nice
sub 5-y for every x you see in other equation

5(5-y)-2y=6
25-5y-2y=6
25-7y=6
minus 25 both sides
-7y=-19
divide both sides by -7
y=19/7

sub back

x=5-y
x=5-19/7
x=35/7-19/7
x=16/7

(16/7,19/7)

first one

The point 3,4 lies on the graph of f(x)= sqrt(2x+a). Which ordered pair below lies on the graph of g(x)=1/2sqrt(2x+a)?a)3/2,2
b)5/2,3/2
c)3,2
d)27,8

Answers

$(3;\ 4);\ f(x)=√(2x+a)\n\n√(2\cdot6+a)=4\n√(12+a)=4\ \ \ /^2\n12+a=16\na=16-12\na=4\n\nf(x)=√(2x+4)$

$g(x)=(1)/(2)√(2x+4)\n\na)\ \left((3)/(2);\ 2\right)\nR=(1)/(2)\sqrt{2\cdot(3)/(2)+4}=(1)/(2)√(3+4)=(1)/(2)\sqrt7;\ L=2;\ L\neq R\n\nb)\ \left((5)/(2);\ (3)/(2)\right)\nR=(1)/(2)\sqrt{2\cdot(5)/(2)+4}=(1)/(2)√(5+4)=(1)/(2)\sqrt9=(1)/(2)\cdot3=(3)/(2);\ L=(3)/(2);\ L=R$

$c)\ (3;\ 2)\nR=(1)/(2)√(2\cdot3+4)=(1)/(2)√(6+4)=(1)/(2)√(10);\ L=2;\ L\neq R\n\nd)\ (27;\ 8)\nR=(1)/(2)√(2\cdot27+4)=(1)/(2)√(54+4)=(1)/(2)√(58);\ L=8;\ L\neq R\n\nAnswer:B$

Rewrite y = -2+7 in standard form

Answers

Answer:

y=5

Step-by-step explanation:

just solve it

Which three-dimensional figures have lateral faces that are polygons? Check all that apply

Answers

Question:

Which three-dimensional figures have lateral faces that are polygons? check all that apply.

- cones

- cylinders

- hemispheres

- prisms

- pyramids

- spheres

Answer:

The correct choices are;

- prisms and

- pyramids

Step-by-step explanation:

A polygon is a figure closed or bounded with several straight line segments and polygons are named based on how many sides, side size and sizes of angles that they have present.

A three sided polygon for example is called a triangle

A lateral face are the faces of a prism except the base

Based on the definitions, we note that out of the options, only prisms, and pyramids have lateral faces that are made up entirely of straight line segments, hence polygons. Therefore, the correct choices are prisms and pyramids.

Answer:

Actually the correct is Cylinders, Prisms, and Pyramids. I just did it

Step-by-step explanation:

Nth term for this sequence 45,40,35,30