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Ratling [72]
2 years ago
12

If 20 miles is 1/2 of a inch how many miles are in 3.125 inches

Mathematics
2 answers:
dangina [55]2 years ago
7 0
I believe you will have to find how many miles are in a complete inch. so if 20 is 1/2 of a inch, then a full inch would be 40. so multiply 40 x 3.125. i hope this helps
Oduvanchick [21]2 years ago
6 0

Answer:

multiply 3.135 inch by 20 miles and divide it by 1/2

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(4x)° (5x+18)° 81° solve for x
tamaranim1 [39]

Answer: If you see my picture and you will see my answer

Step-by-step explanation: Hope this help

5 0
3 years ago
Which is true about the volume or surface area of these prisms?
pshichka [43]
Your answer is the second option: The surface area of B is greater than the surface area of A.

To find the surface area, I found the area of the three sides shown and added them together, and then multiplied the answer by 2, so:

B:
8 × 2 = 16
8 × 10 = 80
10 × 2 = 20
+
= 116
116 × 2 = 232 cm²

A:
5 × 8 = 40
5 × 4 = 20
8 × 4 = 32
+
= 92
92 × 2 = 184 cm²

So therefore B > A because 232 > 184

I hope this helps!
5 0
3 years ago
In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the populat
DiKsa [7]

Answer:

the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

Step-by-step explanation:

From the given information:

Let consider y to represent the number of years after 1999

Then the population in time (y) can be expressed as:

P(y) = 9400y + 924900

The average annual income can be written as:

A(y) = 1400y + 30388

The total personal income = P(y)  ×  A(y)

The rate at which the total personal income is rising is T'(y) :

T'(y) = P'(y)  ×  A(y)  + P(y)  ×  A'(y)

T'(y) = (9400y + 924900)' (1400y + 30388) + (9400y + 924900) (1400y + 30388)'

T'(y) = 9400(1400y + 30388) + (9400y + 924900) 1400

Since in 1999 y =0

Then:

T'(0) = 9400(1400(0) + 30388) + (9400(0) + 924900) 1400

T'(0) = 9400(30388) + (924900)1400

T'(0) = $1,580,507,200 billion

Therefore; the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

8 0
3 years ago
If the area of Bianca’s rectangular backyard patio is represented by the expression x2 – 18x + 81, and the length of the patio i
Verizon [17]

<u>1) </u> width=x-9

2) Rectangular shape is square shape patio !

<u>Step-by-step explanation:</u>

Here we have ,  the area of Bianca’s rectangular backyard patio is represented by the expression x2 – 18x + 81, and the length of the patio is represented by the expression x − 9: We need to find

1. what is the expression for the width of the patio? Explain and show all work.

We know that area of rectangle = Length(width)

⇒ x^2-18x+81=(x-9)(width)

Factorizing RHS:

⇒ x^2-9x-9x+81=(x-9)(width)

⇒ x(x-9)-9(x-9)=(x-9)(width)

⇒ (x-9)(x-9)=(x-9)(width)

⇒ width=x-9

2. what special rectangular shape is the patio?

Now , we see that

Length = x-9\\Width=x-9

A rectangle whose length & width are equal is known as a square ! Hence ,  Rectangular shape is square shape patio !

8 0
3 years ago
Anyone know this answer?
Veseljchak [2.6K]
M<NQN = 180° - 2[180° - (60° + 80°)]
m<NQM = 100°
~100°
4 0
3 years ago
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