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bogdanovich [222]
3 years ago
15

I need help with this someone please

Mathematics
1 answer:
Alex3 years ago
7 0
3/1 is your slope for that
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Brian is drawing a scale diagram of a building. for every 10 m of the building he draws a line 5 cm long. Bryn thinks he is usin
ivann1987 [24]

Answer:

200:1, Bryn is correct.

Step-by-step explanation:

Each 10 m is represented by a 5cm length on the diagram.  We first note that 100 cm = 1 meter.   5 cm is (0.5 cm)*(1 meter/100 cm) =0.05 meters.

The 0.05 meters on the diagram represents 10 meters on the actual building.  The ratio is (10 meters/0.05 meters) or 200:1.  This is what Bryn believes is the ratio.  

7 0
2 years ago
Question on attached picture.
charle [14.2K]

Answer:

x = 7.5

Step-by-step explanation:

Isolate the variable, do this by first multiplying both sides by two

4x - 1 = 2(x + 7)

4x - 1 = 2x + 14

Subtract 2x from both sides of the equation

2x - 1 = 14

Add one to both sides of the equation

2x = 15

Divide both sides by 2

x = 7.5

7 0
3 years ago
Which equation represents the graphed function?
Sphinxa [80]
Y=4x-2 I’m guessing??!!!
8 0
3 years ago
Read 2 more answers
a survey is taken to determine which type of vehicle is shown most popular. the data is shown in the bar graph below. what can y
matrenka [14]
I believe it could be G or I(j?)
7 0
4 years ago
If a quadratic equation has a discriminant that equals zero, which of the following statements is always true?
kotegsom [21]

Answer:

d. The equation has one solution and there is not enough information to determine the direction of the parabola.

Step-by-step explanation:

For a general quadratic equation

y = ax² +bx +c

the solution is

x = \dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

The discriminant (D) is the part of the quadratic formula underneath the radical: b² - 4ac.

D tells us whether there are

  • two different real solutions
  • two identical real solutions ("one solution")
  • two complex solutions.

If D= 0,

x = \dfrac{-b}{2a}\pm0 = \mathbf{\dfrac{-b}{2a}}

and there are two identical solutions ("one solution").

The direction of the parabola depends on the sign of a.

That information is not given, so we cannot determine the direction of the parabola.

7 0
3 years ago
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