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Ainat [17]
3 years ago
12

The cost of mailing a first-class letter is $0.46 for the first ounce and $0.20 for each additional ounce or portion of an ounce

. Y is the total cost for mailing a letter that weighs x ounces. What is the cost of mailing a first class letter weighing 2.5 ounces based on the guidelines given in the previous problem?
Mathematics
2 answers:
pentagon [3]3 years ago
5 0

Answer:

linear function

Step-by-step explanation:

Ez took tst on edge

Hoochie [10]3 years ago
5 0

Answer:linear function

Step-by-step explanation:

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MrRissso [65]

Answer:

Step-by-step explanation:

The diagram of the triangles are shown in the attached photo.

1) Looking at ∆AOL, to determine AL, we would apply the sine rule

a/SinA = b/SinB = c/SinC

21/Sin25 = AL/Sin 105

21Sin105 = ALSin25

21 × 0.9659 = 0.4226AL

AL = 20.2839/0.4226

AL = 50

Looking at ∆KAL,

AL/Sin55 = KL/Sin100

50/0.8192 = KL/0.9848

50 × 0.9848 = KL × 0.8192

KL = 49.24/0.8192

KL = 60

AK/Sin25 = AL/Sin 55

AKSin55 = ALSin25

AK × 0.8192 = 0.4226 × 50

AK = 21.13/0.8192

AK = 25.8

2) looking at ∆AOC,

Sin 18 = AD/AC = 18/AC

AC = 18/Sin18 = 18/0.3090

AC = 58.25

Sin 85 = AD/AB = 18/AB

AB = 18/Sin85 = 18/0.9962

AB = 18.1

To determine BC, we would apply Sine rule.

BC/Sin77 = 58.25/Sin85

BCSin85 = 58.25Sin77

BC = 58.25Sin77/Sin85

BC = 58.25 × 0.9744/0.9962

BC = 56.98

7 0
4 years ago
Which number is located between 15 and 20 on a number line?
jeyben [28]

Answer: 17.5  is located between them.

Step-by-step explanation:

To find out which number is located between the numbers, find their mean average which sum of the numbers divide by the number of values.

15 + 20 = 35

35 / 2 = 17.5

8 0
3 years ago
What is the circumference of the circle in terms of pi with a radius of 10in
o-na [289]

ANSWER

EXPLANATION

The circumference of a circle is calculated using the formula:

C=2\pi \: r

From the question, the radius of the circle is 10 inches.

We substitute the radius into the formula to get:

C=2\pi \times 10

Let us multiply out to get:

C=20 \pi \: in

The question required that we leave the answer in terms of π.

The correct choice is C.

7 0
3 years ago
Read 2 more answers
A rectangular field is 0.45 Kilometers long and 0.4 Kilometers wide. What is the area of the field in square meters? Do not roun
nikitadnepr [17]
We have the formula: Area= width x length
And we have Area= 0.45 x 0.4= 0.18 km²= 0.18x1,000,000= 180,000 m²
That is your number
Have fun
7 0
3 years ago
The cost of a taxi ride is represented by the function c(m)=2m+4, where m is the number of miles traveled. What is the cost per
deff fn [24]

Answer:

$6

Step-by-step explanation:

We have: The cost of a taxi ride is represented by the function c(m)=2m+4

Plug 1 mile into "m" of the function c(m)=2m+4

So, we have c (1) = 2 ˣ 1 + 4 = 6

Thus, The cost per mile of the cab is $6.

8 0
3 years ago
Read 2 more answers
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