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Mamont248 [21]
3 years ago
8

Just number seven plzzzzzzzzzzzz

Mathematics
2 answers:
vredina [299]3 years ago
8 0

Answer: D

Step-by-step explanation:

LuckyWell [14K]3 years ago
6 0

Answer:

car 4 I think is better

Step-by-step explanation:

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The graph of y = 1/2 x2 + 2x + 3 is shown. What are the solutions to the equation 1/2 x2 + 2x + 3 = x + 7?
kirill [66]

Answer:

Step-by-step explanation:

Let's organise our information :

  • the function is (1/2)x²+2x+3

we want to khow the value of x that gives us : (1/2)x²+2x+3=x+7

Now the trick is to write this expression as a quadratic equation with zero at one side :

  • (1/2)x²+2x+3=x+7
  • (1/2)x²+2x+3-x-7=0
  • (1/2)x²+x-4=0

Now let's solve this equation :

  • a= 1/2
  • b= 1
  • c= -4

Δ=1²-4*(1/2)*(-4)

 = 9

So we have two solutions :

  • \left \{ {{y=\frac{-1-3}{2*0.5} } \atop {x=\frac{-1+3}{2*0.5} }} \right.
  • y= -4
  • x= 2

So the solutions are -4 and 2

3 0
4 years ago
Insert &lt;, &gt;, or = to make the sentence true.<br><br> 1/2 2/5
dimaraw [331]
1/2 > 2/5 is your answer
6 0
4 years ago
What is the area of the trapezoid?
balu736 [363]
The answer is 24 square units
8 0
4 years ago
Read 2 more answers
Help I’m stuck and confused
mafiozo [28]

Answer:

-8

Step-by-step explanation:

A triangle is always 180 degrees

(btw I'm not sure if this is addition or multiplication so sorry if i'm wrong!)

65 + 40 = 105

180 - 105 = 75

75 - 83 = -8

5 0
3 years ago
Read 2 more answers
Solid rock is an unlevered firm with an ebit of $10 million and an unlevered cost of capital of 12 percent. if the tax rate is 4
saveliy_v [14]

The value of the firm is $50 million

<h3>How to determine the value of the firm?</h3>

The given parameters are:

EBIT = $10 million

Tax Rate, Tc = 40%

Unlevered cost of capital, RU = 12%

The value of the firm is calculated as:

Value = EBIT*(1 - Tc)/Ru

This gives

Value = 10 million *(1 - 40%)/12%

Evaluate the expression

Value = 50 million

Hence, the value of the firm is $50 million

Read more about tax rate at:

brainly.com/question/12395856

#SPJ1

8 0
2 years ago
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