MATHEMATICS HIGH SCHOOL

Select the equations of the lines that are parallel to the line whose equation is y = 3x + 5. 6x + 2y = 12
-3x + y = 8
3y = 9x
y = -x

Answers

Answer 1
Answer:

Answer:

-3x+y=8 and "3y=9x

Step-by-step explanation:

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Manuel has $600 in a savings account at the beginning of the summer. He wants to have at least $300 in the account at the end of the summer. He withdraws $28 each week for food. Which inequality represents w, the number of weeks Manuel can withdraw money while not dropping below a $300 balance?28-600w < 300

28-600w > 300

600-28w < 300

600-28w > 300

Answers

The answer to this question is 600-28w > 300. This inequality can be described as $600 (money in the savings account) subtracted by $28w (withdrawal of $28 a week for food) should be greater than $300. It proves that the money will not drop below $300.

it would be the 3rd one i just took the test

Evaluate 5 - t/3 when t =12

Answers

Answer:

1

Step-by-step explanation:

Plug in t = 12 in the expression

5-(t)/(3)=5-(12)/(3)    

         = 5 - 4/1

          = 5 - 4

           = 1

Answer:

\Huge \boxed{1}

Step-by-step explanation:

\displaystyle 5-(t)/(3)

The value of t in the expression is 12.

Replace the t variable with 12.

\displaystyle 5-(12)/(3)

Evaluate the expression.

5-4

1

Write an expression that can be used to check the quotient of 646 divided 3

Answers

An expression used to check the quotient would be this:
3x=646
Then, do as you normally would and divide 646 by 3:
646/3 = x
x≈215.33

For each quadratic function, find the axis of symmetry of its graph. Y=x^2+ 4x-7 Y=2x^2+3x-4

Answers

first find the vertex
the x coordinate of the vertex is the axis of symmetry

the vertex of an equation in form
y=ax^2+bx+c is
-b/2a=x coordinate

y=1x^2+4x-7
vertex=-4/2=-2
axis of symmetry is x=-2


y=2x^2+3x-4
ertex=-3/(2*2)=-3/4
axis of symmetry is x=-3/4

Peter drove 300 miles in 5 hours. Jane drove 400 miles in 8 hours. Who drove at a higher speed?

A.
Jane

B.
Peter

Answers

Peter = 300 /5=60mph
Jane = 400/8=50mph

Therefore Peter drove at a faster speed, so B.

a square piece of paper is folded in half vertically. if the resulting figure has a perimeter of 12 cm, what was the area of the original square?

Answers

The area of original square is 16 centimetre square.

What is an area?

The area is the region bounded by the shape of an object.

Let consider 'a' as the side of the original square.

When it fold vertically then the top and bottom sides will be half of the original side.

The perimeter of folded square = 12 cm

i.e.  (2* 0.5a)+ 2a =3a =12 cm

Then, a=4cm

The area of original square is given by a^2.

Then, a^2 = 4*4 =16

Hence, 16 centimeter is the area of the original square.

To learn more about area, use the link given below:

brainly.com/question/27683633

#SPJ2
the area of the original square would have been 16 centimeters squared.
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