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rusak2 [61]
3 years ago
5

PLEASE HELP DUE IN 20 MINUTES

Mathematics
1 answer:
postnew [5]3 years ago
7 0

Answer:

25x3

Step-by-step explanation:

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PLZ HELP!!!! WILL MARK BRAINLEST IF CORRECT
OverLord2011 [107]

Answer: the answer is 54

Step-by-step explanation: The error in the expression was that it was multiplied by 1 so it can't be one unless it was also 1 and it's not it is 54.

8 0
2 years ago
Which of the following are the coordinates of the vertex of y = −x2 + 2x + 1? (2, 1) (1, –2) (1, 2) (–2, 1)
IceJOKER [234]

Answer:

C

Step-by-step explanation:

We want to determine the vertex of the quadratic equation:

\displaystyle y = -x^2 + 2x + 1

Recall that the vertex is given by the formulas:

\displaystyle \text{Vertex} = \left(-\frac{b}{2a}, f\left(-\frac{b}{2a}\right)\right)

In this case, <em>a</em> = -1, <em>b</em> = 2, and <em>c</em> = 1.

Determine the <em>x-</em>coordinate of the vertex:

\displaystyle x = -\frac{(2)}{2(-1)} = 1

To determine the <em>y-</em>coordinate, evaluate the function at <em>x</em> = 1:

\displaystyle \begin{aligned} y(1)&= -(1)^2 + 2(1) + 1 \\ &= 2\end{aligned}

In conclusion, the vertex of the quadratic equation is (1, 2).

Hence, our answer is C.

3 0
2 years ago
What is the sum of 1/10+8/100
galben [10]
\frac{1}{10} + \frac{8}{100} = \frac{10}{100} + \frac{8}{100}= \frac{10+8}{100}=\frac{18}{100} = \frac{9}{50}
8 0
3 years ago
Read 2 more answers
Add the integers.<br><br> 1. -2 +(-5)<br><br> 2. -2 +(-2)<br><br> 3. -13 +9
Maru [420]
-7 because when it’s +(-) it’s always the same as the outside sign
-4 same thing explained above
-4

hope this helps
7 0
2 years ago
Please help!
balu736 [363]
I think the answer is B) i’m not 100%
6 0
3 years ago
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