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UNO [17]
3 years ago
9

How can I calculate the value of x

Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0
Solve 180=10x+10 to find your answer (:
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<img src="https://tex.z-dn.net/?f=%28v%2B6%29%5E%7B2%7D%3D2v%5E%7B2%7D%2B14v%2B12" id="TexFormula1" title="(v+6)^{2}=2v^{2}+14v+
timofeeve [1]

Answer:

v=-6 or 4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the truth set of 2x-6≤5(3-x)​
garri49 [273]

Answer:

x∈(-∞,3]

Step-by-step explanation:

2x-6<=5*3-5x

2x-6<=15-5x

+5x        +5x

7x-6<=15

+6       +6

7x<=21

:7     :7

x<=3

x∈(-∞,3]

4 0
3 years ago
Determine the area for the diagram above plzzzzz​
gulaghasi [49]

Answer:

see explanation

Step-by-step explanation:

The figure shown has one pair of parallel sides and is a trapezium

The area (A) of a trapezium is calculated using

A = \frac{1}{2} h(a + b)

where h is the height and a, b the length of the parallel sides

here h = 2w, a = w + 3 and b = 4w - 2, hence

A = \frac{1}{2} × 2w(w + 3 + 4w - 2)

   = w(5w + 1) = 5w² + w


4 0
3 years ago
Read 2 more answers
Pre-calc<br> Evaluate f(2) using substitution:<br> f(x) = 2x^3 – 3x^2– 18x-8
krek1111 [17]

Answer:

f(2) = -40

Step-by-step explanation:

Just substitute x=2 into the function:

f(x) = 2x³ - 3x² - 18x - 8

f(2) = 2(2)³ - 3(2)² - 18(2) - 8

f(2) = 2(8) - 3(4) - 36 - 8

f(2) = 16 - 12 - 44

f(2) = 4 - 44

f(2) = -40

8 0
2 years ago
Which graph represents the function?
Eva8 [605]
The top right graph
Hope this helps <3
3 0
3 years ago
Read 2 more answers
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