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3 years ago

8

A=244in2 H= B=12.6in (1in=2.54cm)

1 answer:

pshichka [43]3 years ago

6 0

Although there is no picture, I will assume this is a triangle we are talking about since the terms base and height are being used. If that is the case, the height is roughly 38.72in.

To find this, we will use the area of a triangle formula.

1/2bh = a ---> plug in known values.
1/2(12.6)(h) = 244 ---> multiply to simplify
6.3(h) = 244 ----> divide both sides by 6.3
h = 38.73

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-x^2+4x-8 <br>axis of symmerty

V125BC [204]

Answer:

$\boxed {\boxed {\sf x=2}}$

Step-by-step explanation:

The axis of symmetry can be calculated using the formula:

$x=\frac{-b}{2a}$

First we must determine a and b from the quadratic: $-x^2+4x-8$ . This is in standard form, with the highest power first in descending order.

Standard form is also: $ax^2+bx+c$

If we compare this to the quadratic given, we can conclude that:

$a= -1 \\b= 4 \\c= -8$

Substitute the values for a and b into the formula.

$x= \frac{-(4)}{2(-1)}$

Multiply in the denominator.

$x=\frac {-4}{-2}$

Divide.

$x=2$

This can also be determined from the graph. It is the x-coordinate of the vertex or the maximum/minimum. It divides the quadratic into 2 symmetrical halves.

8 0

3 years ago

The average number of customers per day at a home improvement store is given in the following table. Let x represent the day whe

nika2105 [10]

Answer:

A. $33.690\sin (0.887x + 1.337) + 81.684$ .

Step-by-step explanation:

We are given that,

x = Number of days where 1 = Sun of 1st week and 7 = Sat of first week.

The corresponding table for the data is given by,

Days Day Number Number of Customers

Sun 1 115

Mon 2 77

Tue 3 60

Wed 4 51

Thur 5 68

Fri 6 86

Sat 7 120

The general form of the regression model is $a\sin (bx+c)+d$ .

Using the sinusoidal regression calculator, we get that,

a = 33.690

b = 0.887

c = 1.337

d = 81.684

That is, the sine regression model is $33.690\sin (0.887x + 1.337) + 81.684$ .

Thus, option A is the sine regression model for the given data.

6 0

3 years ago

Read 2 more answers

Pls help asap!:) tysm<3

ale4655 [162]

m⁰ / u^(-3) = u³

= (-2)³

= -8

7 0

3 years ago

Please answer all of the questions and please explain need help ASAP PLEASE ps do the even number questions PLEASE HELP ASAP and

finlep [7]

I wasn't sure what properties the assignment was looking for... Let me know if you have any other questions!

6 0

3 years ago

Need an answer to both please

ANTONII [103]

Plz mark me the braniliest

Answer:

1st answer: 52 serves

2nd answer: $8.40

Step-by-step explanation:

1st: 80 times 65 equals 5,200 divided by 100 equals 52

2nd: 42 times 0.20 equals 8.4 or 8.40

6 0

3 years ago