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Lapatulllka [165]
3 years ago
14

What's the area of the square?​

Mathematics
2 answers:
mart [117]3 years ago
8 0
Your answer is D. 25.25
Sonja [21]3 years ago
8 0

Answer: 18

Step-by-step explanation:

you just times the 4 1/2 4 times

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3^4+4.5= Input whole number
Nina [5.8K]
<h2>86</h2>

Step-by-step explanation:

<h3>(3 × 3 × 3 × 3) + 4.5</h3><h3>81 + 4.5</h3><h3>85.5</h3>

<h2>MARK ME AS BRAINLIST</h2><h2>PLZ FOLLOW ME</h2>
7 0
3 years ago
Read 2 more answers
What is the vertex form of y=2x^2-8x+1
bezimeni [28]

Answer:

2(x-2)^2-7

Step-by-step explanation:

y=2x^2-8x+1

When comparing to standard form of a parabola: ax^2+bx+c

  • a=2
  • b=-8
  • c=1

Vertex form of a parabola is: a(x-h)^2+k, which is what we are trying to convert this quadratic equation into.

To do so, we can start by finding "h" in the original vertex form of a parabola. This can be found by using: \frac{-b}{2a}.

Substitute in -8 for b and 2 for a.

\frac{-(-8)}{2(2)}

Simplify this fraction.

\frac{8}{4} \rightarrow2

\boxed{h=2}

The "h" value is 2. Now we can find the "k" value by substituting in 2 for x into the given quadratic equation.

y=2(2)^2-8(2)+1

Simplify.

y=-7

\boxed{k=-7}

We have the values of h and k for the original vertex form, so now we can plug these into the original vertex form. We already know a from the beginning (it is 2).

a(x-h)^2+k\\ \\ 2(x-2)^2-7

6 0
3 years ago
PLZ I NEED URGENT HELP
Hunter-Best [27]

Answer:

<em>Project 4 Score ; 41</em>

Step-by-step explanation:

Assuming that Project 4's score is x;

( Project 1 + Project 2 + Project 3 + Project 4 ) / 4 ⇒ take to substituting the value of each Project, provided Project 4's score being x;

45 = 42 + 49 + 48 + x / 4 ⇒ combine like terms,

45 = ( 139 + x ) / 4 ⇒ let 4 be a common denominator among numerator terms,

45 = 139 / 4 + x / 4 ⇒ divide 139 over 4,

45 = 34.75 + x / 4 ⇒ subtract 34.75 from either side,

10.25 = x / 4 ⇒ Multiply either side by 4,

x = 41 = Score of Project 4,

<em>Solution; Project 4 ⇒ 41</em>

6 0
3 years ago
Select the equivalent expression. ( 3 times 5 ) ^6
Vera_Pavlovna [14]

Answer: C (3^6 x 5^6)

Step-by-step explanation: if you multiply 3 x 5 in the original question then you get 15^6. same with answer C

5 0
4 years ago
Read 2 more answers
What number needs to be added to 5 and 3 so that the ratio of the first number to
Dimas [21]
4 can be added to 5, and 3 can be added to 3. This should then give you a ratio of 9:6, which reduces to 3:2!
5 0
4 years ago
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