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fiasKO [112]
3 years ago
14

How long is the unpainted strip of each part of the road

Mathematics
1 answer:
lions [1.4K]3 years ago
7 0
208/16 = 13 yards per part

13-4 = 9 yards of unpainted strip per strip

9*16 = 144 of unpainted strips
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What is the answer and steps to -3(5-9v)=25+7v
kompoz [17]
-3(5-9v)=25+7v
-15+27v=25+7v
+15 +15
27v=40+7v
-7v -7v
-20v=40
divide 40 by -20
v=-2
4 0
3 years ago
Read 2 more answers
2. Construct Arguments Macy says that any
melamori03 [73]

Answer:Incorrect.

For example, two equations with same y intercept.

y = 2x + 3

y = 5x + 3

This system has only one solution.

Another example,

y = x + 7

y = x + 7

This system has infinitely many solutions.

So she is not correct because of the first example.

Step-by-step explanation:

4 0
3 years ago
Select the recursive and explicit formula for the Arnold family 2 answers
MariettaO [177]

Answer: The first and last options are correct

Explanation:

The recursive formula is written in terms of the previous term of the sequence. From the information given,

the Arnold's are going to save a nickel on the first day of the month and double the amount each day of the month. Thus, the recursive formula would be

A(n)\text{ = a}_{n\text{ - 1}}\text{ }\times\text{ 2}

where

an - 1 defines a previous term

To write the explicit formula, we would apply the formula for finding the nth term of an arithmetic sequence which is expressed as

An = ar^(n - 1)

where

a is the first term of the sequence

n is the number of terms

r is the common ratio between consecutive terms

Thus,

r = 2 because the amount is doubling each day

n = number of days

a = value of 1 nickel = $0.05

By substituting these values into the formula,

the explicit formula is

A(n) = 0.05(2)^n - 1

7 0
11 months ago
Which pair of undefined terms is used to define a Ray?
REY [17]

Answer:

The undefined terms which are used to define a ray is:

Point and a line.

Step-by-step explanation:

The undefined terms in coordinate geometry are:

Line, Points and Plane.

since a line do not have any length, Point has a location but no size.

A line has no width and it extends infinitely and is one dimensional.

and a plane extends infinitely in both the dimensions.

<em>Ray:</em>

<em>A ray is part of a line, has one fixed endpoint, and extends infinitely along the line from the endpoint.</em>

Hence, the undefined terms which are used to define a ray is:

Point and a line.

4 0
3 years ago
Help pls! this is due tonight. thanks!
erma4kov [3.2K]

Answer:

Neon: 0

Oxide:  -2

Copper:   2

Tin:  0

Step-by-step explanation:     To solve you must add/subtract the numbers to get the charge, for example if its -30 charge from electrons and 10 charge from protons, -30 + 10 = -20     therefore the charge is -20

6 0
2 years ago
Read 2 more answers
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