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mixas84 [53]
3 years ago
11

What is the answer to this question? I need help.

Mathematics
1 answer:
anygoal [31]3 years ago
7 0
Ahh it’s the second option I believe!!
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Please help me with these problems. This is not multiple choice. Part 3​
Ivan

9514 1404 393

Answer:

  5. 8 ft

  6. y = 47x +110; 533 students in 2019

Step-by-step explanation:

4. Answered for you previously. See brainly.com/question/21087377.

__

5.

<u>Given</u>:

  triangular garden with base 7 ft and area 28 ft^2

<u>Find</u>:

  height of the triangle

<u>Solution</u>:

The formula for the area of a triangle is ...

  A = 1/2bh . . . . . where A is the area, b is the base length, and h is the height

Multiplying by 2/b, we can get a formula for the height. Using this formula, we can solve the problem.

  h = 2A/b

We can let h represent the height, and fill in the given data.

  h = 2(28 ft^2)/(7 ft)

  h = 8 ft

The height of the triangle is 8 feet.

__

6.

<u>Given</u>:

  (0, 110), (5, 345) . . . . . where the points represent ...

     (years after 2010, students using the hotline)

<u>Find</u>:

  a linear model for the data

  the number of students predicted for 2019

<u>Solution</u>:

The 2-point form of the equation for a line is ...

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

where the points are (x1, y1) and (x2, y2). Using the given points, our linear model is ...

  y = (345 -110)/(5 -0)(x -0) +110

  y = 47x +110 . . . . the linear model, where ...

     y is the number of students using the hotline

     x is the number of years after 2010

__

In 2019, x = 9, so y = ...

  y = 47(9) +110 = 423 +110 = 533

The number of students predicted to use the hotline in 2019 is 533.

5 0
3 years ago
Read 2 more answers
What are the x-intercept and the y-intercept of this function? f(x) = 4x + 12
KonstantinChe [14]

Answer:

x=3 y=0

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
7 3/4 write as a decimal
Ad libitum [116K]

Answer:

7.75

mark me brainlest

Step-by-step explanation:

7 0
3 years ago
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X +2 times -2+107 = 180
Kryger [21]

Answer:

X = -3/7

Step-by-step explanation:

7 0
3 years ago
A girl asks her father how many ties he has and he answers with a riddle: "Seven-eighths of my ties plus five." How many ties do
KonstantinChe [14]
So 5=\frac{1}{8}, or 12,5% of his ties
x=100%; x=5*8=40 ties her father has.
4 0
3 years ago
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