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3 years ago

I need help with one more question in my homework

1 answer:

5 0

The vertex is (0, 6) and the axis of symmetry is x = 0, or the y-axis.

To find the vertex, you can quickly change it to vertex form.

y= 2(x - 0)^2 + 6, the vertex can be seen as (0, 6).

The axis of symmetry is always the x value through the x-coordinate of the vertex.

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What is -1 29/40 as a decimal ? - show work plz:(

blagie [28]

Answer:

Step-by-step explanation:

A mixed number is an addition of its whole and fractional parts.

−(1 + 29/40)

Add

1 and 29/40

Write 1 as a fraction with a common denominator.

−(40/40 + 29/40)

Combine the numerators over the common denominator.

−40+29/40

Add 40 and 29

−69/40

The result can be shown in multiple forms.

Exact Form:−69/40

Decimal Form:−1.725

Mixed Number Form:−1 29/40

4 0

3 years ago

Read 2 more answers

An airplane's change in altitude before landing is shown in the table. what equation represents this change in altitude?

Stella [2.4K]

Answer:

a=-4000m+39000

Step-by-step explanation:

From the given table, we can see that the difference between any consecutive altitude is 4000 ft.

31000 - 35000 = -4000

27000- 31000 = -4000

23000-27000 = -4000

Hence, it represents an arithmetic sequence with a = 3500 and d = -4000

The general term of an arithmetic sequence is given by

$a_n=a+(n-1)d\\\\a=35000+(m-1)(-4000)\\\\a=35000-4000m+4000\\\\a=-4000m+39000$

3 0

3 years ago

Graph the linear inequality. y<2

Leya [2.2K]

Answer:

See attachment.

Step-by-step explanation:

We want to graph the linear inequality y<2

We first of all graph the corresponding linear equation y=2 with a dashed line because all points on this line do not satisfy the inequality.

We then shade below the line y=2, to show that all points below the boundary line are solution to the inequality y<2

7 0

3 years ago

F(x)=kx+6 and find f(2)=16 find f(4)

Vikentia [17]

Answer:

f(4)=26

Step-by-step explanation:

f(2)=16

F(x) = kx+6

16=k(2)+6

16-6=k(2)

10=k(2)

10 =k(2)

2 2

5= k

f(4)=k(4)+6

=5(4)+6

=20+6

f(4)=26

5 0

2 years ago

Bradley is purchasing a new car for 37000. If the car loses 20%of its value every year, how much will the car be worth in 7 year

spayn [35]

ANSWER

After 7 years the car will worth, 7,759.5

EXPLANATION

The initial value of the car is 37000.

The rate of depreciation is 20%

In 7 years time, we can calculate the value of the car using the formula,

$A=P(1-r\%)^n$

We substitute the values into the formula to obtain,

$A=37000(1-0.2)^7$

$A=37000(0.88)^7$

$A=7759.5$ to the nearest tenth

6 0

3 years ago