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Leto [7]
3 years ago
13

Plzzzzzz help me with this

Mathematics
1 answer:
Illusion [34]3 years ago
7 0

Answer:

The first answer is -2x^2-12x-19

The second answer is 2x^2+12x+17

Step-by-step explanation:

You can calculate the vertex of each one by using the formula -b/2a =x and then plugging that in for x to find y but that's a lot of work so I just plugged them into desmos

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What is the area of a triangle with a base of 50 feet and a height of 75 feet’
inysia [295]

Answer:

The correct answer is,

the area of given triangle = 1875 square feet

Step-by-step explanation:

Formula:

Area of triangle = bh/2

b - Base and h - height

It is given that,a triangle with a base of 50 feet and a height of 75 feet’

<u>To find the area of triangle</u>

base b = 50 feet and height h = 75 feet

Area = bh/2 = (50 x 75 )/2

Area = 3750/2 = 1875 square feet

Therefore the area of given triangle = 1875 square feet

8 0
4 years ago
Read 2 more answers
What is the reason for statement 3, statement 5, statement 7?
Sveta_85 [38]

Answer:VOA

Step-by-step explanation:

3 and 5 )vertically opposite angles

7) same as 4

3 0
3 years ago
Which parabola will have a minimum value vertex?
guapka [62]

Answer:

<h2>On a coordinate plane, a parabola opens up with x-intercepts at (negative 2, 0) and (2, 0), and a y-intercept at the vertex (0, negative 4).</h2>

Step-by-step explanation:

Parabollas are characterized by being curves which opens upside or downside.

When the parabolla opens upside, then we say it has a minium.

When the parabolla opens downside, then we say it has a maximum.

In either the minium or maximum point is defined by the vertex.

As you can observe, among the choices, the last one is the only one that opens up, therefore, it has a minimum value vertex.

3 0
4 years ago
Read 2 more answers
HELP PLZ! THIS IS TIMED.
IgorC [24]

Answer:

b_n=\dfrac{2}{3}\cdot (9)^{n-1}

Step-by-step explanation:

Given the geometric sequence

a_1=\dfrac{2}{3}\\ \\a_n=3a_{n-1},

then

a_1=\dfrac{2}{3}\\ \\a_2=3a_1=3\cdot \dfrac{2}{3}=2\\ \\a_3=3a_2=3\cdot 2=6\\ \\a_4=3a_3=3\cdot 6=18\\ \\a_5=3a_4=3\cdot 18=54\\ \\...

Hence,

b_1=a_1=\dfrac{2}{3}\\ \\b_2=a_3=6=\dfrac{2}{3}\cdot 9\\ \\b_3=a_5=54=\dfrac{2}{3}\cdot 9^2\\ \\...

Thus, the explicit formula is

b_n=\dfrac{2}{3}\cdot (9)^{n-1}

4 0
3 years ago
If 100% of a number is 15, then what is 50% of the number?
LuckyWell [14K]

Answer:

The answer is 7.5.

Step-by-step explanation:

Since we're looking for half of 15, divide 15 by 2 (or multiply 15 by 0.5, it's the same thing) and you get 7.5.


I hope this helped! :)

6 0
4 years ago
Read 2 more answers
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