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alexgriva [62]
3 years ago
8

Find the value of x. 25 points

Mathematics
2 answers:
Novay_Z [31]3 years ago
8 0
Answer: X=110°
Explanation: The circumference of a quadrilateral is 360°
128+40+82=250
360-250=110
densk [106]3 years ago
5 0
The sum of the angles in a quadrilateral is 360 degrees.

So take 360 - 40 - 128 - 82 = 110 degrees

x = 110
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The top of an off shore oil rig has an elevation of 199.2 m and its base has an elevation of -9.6 m and observation deck is loca
matrenka [14]

Answer: 57.6m

Step-by-step explanation:

That's a lot of words that questions usually use to try to trip us up but not this time so lets pull all relevant information

199.2m= top of off shore oil rig

-9.6 m is the base of the rig

observation deck is 1/6 of the total height

helly pad is 22.8m above the observation deck

First lets try to find the total height of the rig. We can do this by adding the absolute value of the top and base of the oil rig. So 199.2 + 9.6 = 208.8m

So the total height is 208.8m now lets find the observation deck. We know the observaition is 1/6 of the total height which is 208.8m right so lets multiply. 1/6*208.8m= 34.8m

Now we know the observation deck is 34.8m high. Finally we can find the helly pad which is 22.8 m above the observation deck.

Since the observation deck is 34.8m and the helly pad is 22.8 above observation deck (34.8m) all we have to do is add so 22.8+34.8= 57.6m

So we know the total height is 208.8m

The observation deck is 34.8m

And the helly pad is 57.6m

7 0
3 years ago
if Jeremy drinks 1.5 quarts of coffee every 3 days how many liters of coffee with Jeremy drink in 3 weeks one quart equals .946
Marizza181 [45]
The answer is 9.936706 liters
6 0
3 years ago
What is the definition of a sequence
zheka24 [161]

Answer:

the process of combining things in a particular order, or discovering the order in which they are combined: A common sign of dyslexia is that the sequencing of letters when spelling words may be incorrect. biology specialized.

Step-by-step explanation:

7 0
3 years ago
Evaluate y = 2x + 1 when x = 1
Solnce55 [7]

Answer:

y = 3

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

Step-by-step explanation:

<u>Step 1: Define</u>

y = 2x + 1

x = 1

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    y = 2(1) + 1
  2. Multiply:                               y = 2 + 1
  3. Add:                                     y = 3
5 0
3 years ago
A box is x to inches high,(2x+3)inches wide, and (2x+5) of inches long. In terms of x, what is the volume (v) of the box?
Advocard [28]

Answer:

The volume of the box is V=(4x^3+16x^2+15x)\ in^3

Step-by-step explanation:

we know that

The volume of the box is equal to

V=LWH

where

L is the length of the box in inches

W is the width of the box in inches

H is the height of the box in inches

we have

L=(2x+5)\ in\\W=(2x+3)\ in\\H=x\ in

substitute in the formula

V=(2x+5)(2x+3)x

V=(4x^2+6x+10x+15)(x)

V=(4x^2+16x+15)(x)

V=(4x^3+16x^2+15x)\ in^3

6 0
3 years ago
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