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denis-greek [22]
3 years ago
7

Find the vertex and symmetry for each problem.

Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

Solve the equation for

x

by finding

a

,

b

, and

c

of the quadratic then applying the quadratic formula.

Exact Form:

x

=

−

3

±

√

6

3

Decimal Form:

x

=

−

0.18350341

…

,

−

1.81649658

…

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Members of the pep club were selling raffle tickets for $1.50 and $5. The number of $1.50 tickets sold was two less than four ti
marysya [2.9K]

Answer:

see below

Step-by-step explanation:

1.5x + 5y = 1152    

x = 4y – 2

We can substitute the second equation into the first equation

Which one-variable linear equation can be formed using the substitution method?

1.5(4y-2) +5y = 1152  

Distribute

6y -3 +5y = 1152

Combine like terms

11y-3 = 1152

Add 3 to each side

11y-3+3 = 1152+3

11y = 1155

Divide each side by 11

11y/11 = 1155/11

y = 105

How many $5 raffle tickets were sold?

105 5 dollar tickets were sold

Now we need to find the number of 1.50 tickets

Which equation can be used to determine how many $1.50 raffle tickets were sold?

x = 4y – 2

x = 4(105) -2

   =420-2

   = 418

How many $1.50 raffle tickets were sold?

418    $1.50 tickets were sold

3 0
3 years ago
Read 2 more answers
What is 0.0578 in scientific notation?
Andre45 [30]

Answer:

5.78 x 10^-2

Step-by-step explanation:

move the desimal over till it looks like 1.00 count places moved left=negitive, right=positive

3 0
3 years ago
One day Alonso decided to keep a record of the time he spent walking and the distance he walked. Which of the following are true
liberstina [14]

Answer:

3 and 5

The third one && fifth one

Step-by-step explanation:

5 0
3 years ago
Which inequality is represented by the graph below?
4vir4ik [10]
I don’t no this I’m sorry
6 0
2 years ago
The sum of seven interior angle measurements is an octagon equal 835°. What is the angle measurement of the eighth angle?
creativ13 [48]

\bf \textit{sum of all interior angles in a polygon}\\\\ S=180(n-2)~~ \begin{cases} n=\textit{number of sides}\\[-0.5em] \hrulefill\\ n=8 \end{cases}\implies S=180(8-2) \\\\\\ S=180(6)\implies S=1080

now, we know 7 of those angles are already 835°, so the last one must be 1080 - 835 = 245°.

4 0
3 years ago
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