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timama [110]
3 years ago
10

Help Me Please.................

Mathematics
2 answers:
Rama09 [41]3 years ago
8 0
Your answer would be x = -15.8994.

To get this, you first add 7 to each side making the equation -4.818 = x/3.3

Then, you would need to multiply each side by 3.3 to get x by itself.

Your answer would be -15.8994.
BlackZzzverrR [31]3 years ago
4 0

Answer:

x=-15.8994

Step-by-step explanation:

<u>Skills needed: Solving one variable equations, Multiplication</u>

1) We are given: -11.818=-7+\frac{x}{3.3}, and we need to solve for "x"

2) In order to do this, you need to isolate the variable. In other words, you need to make sure the term involving  "x" is on one side of the equation, while everything else is on the other side.

  • In this case, the term involving  "x" is: \frac{x}{3.3}
  • In order to isolate \frac{x}{3.3}, you need to get rid of the "-7" on the right side. To get rid of it, we can add 7 to both sides.

3) -11.818+7 = -7+\frac{x}{3.3} +7

-11.818+7=-4.818

-7 and 7 on the right side cancel out.

4) So you are left with: -4.818=\frac{x}{3.3}

  • To get "x", you need to multiply both sides by 3.3
  • If you do this, the denominator will get cancelled out, leaving us with    "x" equaling a value.

5) So then: -4.818 * 3.3 = x (that star sign in between -4.818 and 3.3 is a multiplication sign)

-4.818*3.3 = -15.8994, so x = -15.8994

<em>Hope this helps and have a nice day!! :] :) :D</em>

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3 years ago
If ED = x + 4 and DB = 3x - 8, find ED, DB, and EB
Tom [10]

Answer:

Part 1) ED=10\ units

Part 2) DB=10\ units

Part 3) EB=20\ units

Step-by-step explanation:

we know that

EB=ED+DB

ED=DB -----> given problem

Substitute the given values and solve for x

x+4=3x-8

3x-x=4+8

2x=12

x=6

<em>Find the value of ED</em>

ED=x+4

substitute the value of x

ED=6+4=10\ units

<em>Find the value of DB</em>

Remember that

ED=DB

therefore

DB=10\ units

<em>Find the value of EB</em>

EB=ED+DB

EB=10+10=20\ units

5 0
3 years ago
Read 2 more answers
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Nastasia [14]
(21 + 34 + x + 25 + 37 + 22) / 6 = 30
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5 0
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The function(t)--4.87+18.75 is used to model the height of an object projected in the air, where h() is the height in
NNADVOKAT [17]

The domain and range of the given function are equal to (0, 3.85) and (0, 18.75) respectively.

<h3>How to calculate the domain of the function?</h3>

In this exercise, you're given the following function h(t) = -4.87t² + 18.75t. Next, we would equate the function to zero (0) to determine its domain as follows:

0= -4.87t² + 18.75t.

4.87t(-t + 3.85) = 0

t = 0 or t = 3.85.

Therefore, the domain is 0 ≤ t ≤ 3.85 or (0, 3.85).

<h3>How to calculate the range of the function?</h3>

h(t) = -4.87t² + 18.75t

h(t) = -4.87(t² - 3.85t + 3.85 - 3.85)

h(t) = -4.87(t - 1.925)² + 18.05

Therefore, the range is 0 ≤ h ≤ 18.05 or (0, 18.75).

Read more on domain here: brainly.com/question/17003159

#SPJ1

3 0
1 year ago
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What is the domain of the relation?
amm1812

Domain:

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