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s2008m [1.1K]
3 years ago
7

Solve for x. -3(2x – 1) – 3x – 4 = 17

Mathematics
1 answer:
vredina [299]3 years ago
8 0

The Answer Is x=-2

Hope This Help's

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WILL GIVE BRAINLIEST!!!!!!!!!!!!! the answer for question one was x=30
VMariaS [17]

Answer:1

1. x = 30

2. ∠ABC = 120°, ∠BCD = 90°, ∠CDA = 60°, ∠DAB = 90°

Step-by-step explanation:

It's important to note here that the measure of all interior angles in a quadrilateral will add up to 360°

We know this using the formula(n-2)\cdot 180, a 4 sided figures angles will add up to

(4-2)\cdot 180\\\\2\cdot 180\\\\360

This means that all of the angles (4x, 3x, 2x, 3x) will add up to 360.

4x + 3x + 2x + 3x = 360

Combine like terms:

12x = 360

Divide both sides by 12:

x = 30

We know now substitute x for 30 in for all of the side lengths.

∠ABC = 4x = 4\cdot 30 = 120°

∠BCD = 3x = 3\cdot 30 = 90°

∠CDA = 2x = 2\cdot 30 = 60°

∠DAB = 3x = 3\cdot 30 = 90°

Hope this helped!

4 0
3 years ago
Read 2 more answers
Which three dimensional figure is modeled by the net below?
marusya05 [52]
This figure, I believe, is a triangular prism.
4 0
3 years ago
Read 2 more answers
What is one factor of 30x2 − 33x + 3?
olganol [36]

Answer:

10x - 1

Step-by-step explanation:

30x^2 − 33x + 3 =

= 3(10x^2 - 11x + 1)

= 3(10x - 1)(x - 1)

Answer: 10x - 1

8 0
3 years ago
Felipe built a rectangular rainwater collection tank in his garden that is 5 ft long and 3 ft wide. The volume of the tank is 75
steposvetlana [31]

Answer:

5ft

Step-by-step explanation:

Volume = length x width x height

5 x 3 x h = 75

15h = 75

h = 5

8 0
3 years ago
For brainiest:):):):):):)
likoan [24]

<h2>For a. </h2>

While in the blueprint, each square is 1/4...in real life, it's 4 feet per square.

Meaning, the area of each square is (4 x 4) 16 square feet.

Since there are 8 squares/tiles in the bathroom...

...multiply 8 x 16 = 128 square feet in real life.

Multiply that with the cost, and since it costs $5 per square feet:

<h2>128 x 5 = $640 (answer)</h2>

<h2>For b. </h2>

Do it in similar steps.

Living room: 4 x 7 = 28 tiles

Bedroom: 4 x 5 = 20 tiles

20 + 28 = 48 tiles (in blueprint)

...multiply 48 x 16 = 768 feet square (in real life)

<em />

<em>[Convert feet into yards...3 feet equals 1 yard]</em>

a square yard would be 3 feet x 3 feet = 9 feet...

...divide 768 by 9

768 ÷ 9 = 85.33 square yards (rounded up)

Multiply that with the cost, and since it costs $18 per square feet:

<h2>85.53 x 18 = $1535.94 (answer)</h2>
3 0
3 years ago
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