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luda_lava [24]
4 years ago
7

On a graph of the function f(x)=2x+1 what is the range value when the domain value is 2?

Mathematics
1 answer:
harina [27]4 years ago
4 0
The domain 2 would be plugged in as f (2)=2x+1 which equals 5
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Solve x - 3 1/8 = 5/12
Anna007 [38]

Answer:

\large\boxed{x=\dfrac{85}{24}=3\dfrac{13}{24}}

Step-by-step explanation:

Convert the mixed number to the fraction:

3\dfrac{1}{8}=\dfrac{3\cdot8+1}{8}=\dfrac{25}{8}

METHOD 1:

x-3\dfrac{1}{8}=\dfrac{5}{12}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\\\\\text{the common denominator is 24}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\qquad\text{multiply both sides by 24}\\\\24x-(3)(25)=(2)(5)\\\\24x-75=10\qquad\text{add 75 to both sides}\\\\24x=85\qquad\text{divide both sides by 24}\\\\\boxed{x=\dfrac{85}{24}}

METHOD 2:

x-3\dfrac{1}{8}=\dfrac{5}{12}\qquad\text{add}\ 3\dfrac{1}{8}\ \text{to oboth sides}\\\\x=\dfrac{5}{12}+3\dfrac{1}{8}\\\\x=\dfrac{5\cdot2}{12\cdot2}+3\dfrac{1\cdot3}{8\cdot3}\\\\x=\dfrac{10}{24}+3\dfrac{3}{24}\\\\x=3\dfrac{10+3}{24}\\\\\boxed{x=3\dfrac{13}{24}}

7 0
4 years ago
Solve for z -0.25z= -1.25
GarryVolchara [31]

Answer:

<h2>z = 5</h2>

Step-by-step explanation:

-0.25z= -1.25

Convert the decimals to improper fractions

That's

<h3>- 1.25 =  -  \frac{5}{4}</h3><h3>- 0.25 =  -  \frac{1}{4}</h3>

So we have

<h3>-  \frac{1}{4} z =  -  \frac{5}{4}</h3>

Multiply through by 4

We have

- z = - 5

Divide both sides by - 1

the final answer is

<h3>z = 5</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
Which of the following is the midsegment of abc<br><br> Help me please
Likurg_2 [28]

Answer:

Option C -LM


Step-by-step explanation:

Mid segment is a straight line joining the midpoints of two segments.A midsegment of a triangle is a segment connecting the midpoints of two sides of a triangle.In the given triangle ABC ,L and M are midpoints of sides AB and CB.LM is the line joining the midpoints of sides AB and CB.

LM is called the midsegment of triangle ABC.

5 0
3 years ago
Read 2 more answers
What sum of money amounts to rupees 545 4 at 8% BA in 30 months​
Mars2501 [29]

Answer:

let sum of money be x

amount=rupees5454

rate=8%

time=30 months

convert month into year

30/12=5/2 years

Step-by-step explanation:

interest=p*t*r/100

=x*5*8/100*2

=40x/200

=x/5

so to find principal use formula

amount=principal +interest

5454=x+x/5

5454=5x+x/5

5454*5=6x

27270/6=x

4545=x

therefore ,sum of money(principal)=rupees.4545

Hope this helps u!!

5 0
3 years ago
Point A(3,8)
alexandr402 [8]

Answer:

\displaystyle d = \sqrt{65}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Coordinates (x, y)

<u>Algebra II</u>

  • Distance Formula: \displaystyle d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point A(3, 8)

Point B(-1, 1)

<u>Step 2: Find distance </u><em><u>d</u></em>

  1. Substitute in points [Distance Formula]:                                                         \displaystyle d = \sqrt{(-1 - 3)^2 + (1 - 8)^2}
  2. [√Radical] (Parenthesis) Subtract:                                                                   \displaystyle d = \sqrt{(-4)^2 + (-7)^2}
  3. [√Radical] Evaluate exponents:                                                                       \displaystyle d = \sqrt{16 + 49}
  4. [√Radical] Add:                                                                                                 \displaystyle d = \sqrt{65}
5 0
3 years ago
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