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FromTheMoon [43]
3 years ago
11

6. Which of the following is the graph of the equation y = −2x2 − 3x + 4?

Mathematics
1 answer:
Stells [14]3 years ago
4 0

Answer:

From the looks of the graph, it looks like the answer will be Letter C. (The last graph).

Step-by-step explanation:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Down

Vertex:  ( − 3 /4 ,  41 /8 )

Focus:  ( − 3 /4 ,  5 )

Axis of Symmetry:  x = − 3 /4

Directrix:  y = 21 /4

x                  y

− 3               − 5

− 2                2

− 3                4

41                8

0                 4

1                 − 1

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Heather Johnson bought a new set of tires for $436.00 and a car seat for $22.85. The state tax rate is 6%, the county tax rate i
Papessa [141]

Answer:

$495.56

Step-by-step explanation:

Tax increases the price paid for a good or service. So, the total price paid for the goods would increase by the total amount of tax

Sum of the three taxes = 6% + 1.5% + 0.5% = 8%

Total cost of items purchased = $436 + $22.85 = $485.85

Total purchase price = Total cost of items purchased x (1 + total tax)

$485.85 x (1.08) = $495.56

5 0
3 years ago
Point C has the coordinates (–1, 4) and point D has the coordinates (2, 0). What is the distance between points C and D?
Luba_88 [7]

We conclude that the distance between points C and D is 5 units.

<h3>How to find the distance between the two points?</h3>

Remember that if we have two points (x₁, y₁) and (x₂, y₂), the distance between these points is:

d = √( (x₂ - x₁)^2 + (y₂ -  y₁)^2)

In this case, we know that:

Point C has the coordinates (-1, 4)

Point D has the coordinates (2, 0)

Then the distance between these two points is:

d = √( (-1 - 2)^2 + (0 - 4)^2) = √25 = 5

We conclude that the distance between points C and D is 5 units.

If you want to learn more about distance between points:

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4 0
2 years ago
If 12 men earn $810 in 10 days how much will 14 men earn in 8 days, if the daily wage is the same for each man
kogti [31]
1 man earns  810 / 12 = $67.5 in 10 days
by proportion 1 man will earn 0.8 *  67.5 = $54 in 8 days

So 14 men will earn 54 * 14 =  $756 in 8 days.
5 0
3 years ago
Find the constant of variation if an employee earns $175 for 15 hours work.
RUDIKE [14]

Answer:

11.67

Step-by-step explanation:

6 0
3 years ago
Evaluate if x = -4.<br><br> - 3x +7
mina [271]

Replace x with -4:

-3(-4) + 7 =

12 + 7 = 19

Answer: 19

5 0
2 years ago
Read 2 more answers
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