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hram777 [196]
3 years ago
7

__ is a relation that gives a single output number for every valid input number. Your answer

Mathematics
1 answer:
Nat2105 [25]3 years ago
7 0
A Function is a relation
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I need help with this math question
Mkey [24]
M2 = 127
m7= 127
m8= 53
5 0
3 years ago
HELP MEEEE PLZ. <br> i need to Find the surface area and volume
lisabon 2012 [21]

Answer:

A ≈ 494.80 mm^{2}

V = 827.02 mm^{3}

Step-by-step explanation:

height ( <em>h </em>) = 13 mm

radius ( <em>r </em>)  = \frac{9mm}{2} = 4.5 mm

Surface area  = 2\pi rh + 2\pi r

                      = 2π(4.5)(13) + 2π(4.5)

                      ≈ 494.80 mm^{2}

Volume = \pi r^{2} h

<em>              </em>= \pi (4.5)^{2} (13)

             = 827.02 mm^{3}

6 0
3 years ago
Hep help help help hell
zzz [600]
Answer: 0.8

. . . . . . . . . . .
8 0
2 years ago
Read 2 more answers
Find the percent decrease round to the nearest percent from 93 Fahrenheit to 58 Fahrenheit the percent decrease is what percent
Elden [556K]

Answer:

  • 38%

Step-by-step explanation:

  • Initial value = 93 F
  • Final value = 58 F

Decrease

  • 93 - 58 = 35 F

Percent decrease

  • 35/93*100% = 38 % rounded
5 0
3 years ago
Help please, I attached the question. Is it a!? <br> 
AVprozaik [17]

Answer:

A

Step-by-step explanation:

Recall that for a quadratic equation of the form:

0=ax^2+bx+c

The number of solutions it has can be determined using its discriminant:  

\Delta = b^2-4ac

Where:

  • If the discriminant is positive, we have two real solutions.
  • If the discriminant is negative, we have no real solutions.
  • And if the discriminant is zero, we have exactly one solution.

We have the equation:

2x^2+5x-k=0

Thus, <em>a</em> = 2, <em>b</em> = 5, and <em>c</em> = -<em>k</em>.

In order for the equation to have exactly one distinct solution, the discriminant must equal zero. Hence:

b^2-4ac=0

Substitute:

(5)^2-4(2)(-k)=0

Solve for <em>k</em>. Simplify:

25+8k=0

Solve:

\displaystyle k = -\frac{25}{8}

Thus, our answer is indeed A.

3 0
3 years ago
Read 2 more answers
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