MATHEMATICS MIDDLE SCHOOL

Identify the features of the graph

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

On seeing the graph we find that x intercepts are 1 and 5.

Also y intercept is 5

Vertex is at (3,-4) and also parabola is open up.

The possible equations can be of the form

y =a(x-1)(x-5)

y =a(x^2-6x+5)

When x=0, y =6

Hence 6 =5a

a =6/5

Solution is

$y=(6)/(5) (x-1)(x-5)\n$

Answer 2

Answer: There is a parabola that opens upwards with a line of symmetry at x=3 and the vertex is at (3, -4).

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Can you guys help me with this question

PLEASE HELPThe value of y varies directly with x. When y=30, x=0.75. What is the value of y when x=5.25?

Answers

The value of y when x = 5.25 is 210.

Given that the value of y varies directly with x.

When y = 30, x = 0.75.

We need to find the value of y when x = 5.25,

If the value of y varies directly with x, it means that the relationship between y and x can be expressed as:

y = kx

Where "k" is the constant of proportionality. To find the value of "k," we can use the given information:

When y = 30, x = 0.75:

30 = k × 0.75

Now, solve for "k":

k = 30 / 0.75

k = 40

Now that we have the value of "k," we can use it to find the value of y when x = 5.25:

y = k x

y = 40 × 5.25

y = 210

So, when x = 5.25, the value of y is 210.

Learn more about direct variation click;

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if x = 5.25 then y = 210

The two figures are regular hexagons.

What is the scale factor, written in decimal form?

Answers

$(15)/(6) \n (5)/(2) =\n2.5$

$(15)/(6)=2.5$

A large grouper can weigh 1/3 ton. how much doe a large grouper weigh to the nearest pound?

Answers

To do this divide 2000 by 3. This gives you about 667 pounds.

Answer:

its 666 which is pretty scary

Step-by-step explanation:divide 2000 by 3

This is complicated- what is 3x + (-2x)?

Answers

3x + (-2x) would be just subtracting 2x from 3x, so it would be 1x or x. Hope this helped<3

3x+(-2x)
3x-2x
1x or x

Final answer: x

the expression w/6 gives the weightof an object on the moon in pounds with a weight of 6/w pounds on Earth. what is the weight of a space suit on the moon if the space suit weighs 178.2 pounds o. Earth

Answers

The space suit would weigh 29.7 lbs.

Answer:

29.7 lbs

Step-by-step explanation:

W = weight of anything on earth.

So the expression would be :

178.2/6.

Now you will have to devide.

178.2/6 is 29.7 lbs

Hope this helps!

Can u please answer this question

Answers

One Way:
We can change the mixed number to a decimal for comparing.

$1(1)/(4)$ m = $(5)/(4)$ m = 1.25 m

1.4 m    > 1.25 m
Darren   >   Luke

Darren's jump was higher by (1.4-1.25) 0.15 m

Or another way change the decimal to a fraction and the mixed to an improper fraction too.

$1(1)/(4)$ = $(5)/(4)$ (Luke)
1.4 = $(7)/(5)$ (Darren)
We need a common denominator to compare
$(5*5)/(4*5)$ (Luke)
$(7*4)/(5*4)$ (Darren)
$(25)/(20)$ (Luke)
$(28)/(20)$ (Darren)

$(28)/(20) >   (25)/(20)$
  Darren >    Luke

By:
$(28)/(20)$ - $(25)/(20)$ = $(3)/(20)$
Which is also by 0.15 m
Darren jumps higher and by 0.15 m

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