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exis [7]
4 years ago
6

2 and 7 form what type of angle pair? A. corresponding angles B. alternate interior angles C. consecutive interior angles D. alt

ernate exterior angles

Mathematics
1 answer:
Over [174]4 years ago
3 0

Answer:

  D.  alternate exterior angles

Step-by-step explanation:

Neither of the angles is between parallel lines a and b, so they are "exterior." They are on opposite sides of transversal c, so are "alternate".

∠2 and ∠7 are <em>alternate exterior</em> angles.

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Which speed is the fastest?
Schach [20]

Answer:

C, 180 miles/ 3 hours

Step-by-step explanation:

C is the correct answer because you need to find the unit rate of all of the numbers.

A. = 30 mph

B. = 45 mph

C. = 60 mph

D. = 40 mph

Therefore, C is the fastest.

4 0
3 years ago
The system of equations
Nina [5.8K]
23 Idon’t know for sure but please let me know :)
7 0
3 years ago
S and t are binary relations on the set {a, b, c, d} and are defined as follows: s = { (a, b), (a, c), (b, d), (d, c) } t = { (b
ludmilkaskok [199]

A set is a mathematical model for a collection of items. The correct option is C.

<h3>What is a set?</h3>

A set is a mathematical model for a collection of items; it comprises elements or members, which may be any mathematical object: numbers, symbols, points in space, lines, other geometrical structures, variables, or even other sets.

Given the s={(a, b), (a, c), (b, d), (d, c)} and t={(b, b), (c, a), (c, d), (a, d)} Therefore, the value of  t ∘ s = { (a, c), (b, d), (c, b), (c, c) }.

Hence, the correct option is C.

Learn more about Set:

brainly.com/question/8053622

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3 0
3 years ago
Steven's quarters total $4.20 more than his nickels. His quarters total $4.75 more than his dimes. The total value of the coins
katrin [286]

Answer: he has 23 quarters, 31 nickels and 10 dimes.

Step-by-step explanation:

The worth of a quarter is 25 cents. Converting to dollars, it becomes

25/100 = $0.25

The worth of a nickel is 5 cents. Converting to dollars, it becomes

5/100 = $0.05

The worth of a dime is 10 cents. Converting to dollars, it becomes

10/100 = $0.1

Let x represent the number of quarter that he has.

Let y represent the number of nickels that he has.

Let z represent the number of dimes that he has

Steven's quarters total $4.20 more than his nickels. This means that

0.25x = 0.05y + 4.2

Dividing through by 0.05, it becomes

5x = y + 84

y = 5x - 84-- - - - - - - - - -1

His quarters total $4.75 more than his dimes. This means that

0.25x = 0.1z + 4.75

Dividing through by 0.1, it becomes

2.5x = z + 47.5

z = 2.5x - 47.5- - - - - - - - - -2

The total value of the coins is $8.30. This means that

0.25x + 0.05y + 0.1z = 8.3- - - - - - -3

Substituting equation 1 and equation 2 into equation 3, it becomes

0.25x + 0.05(5x - 84) + 0.1(2.5x - 47.5) = 8.3

0.25x + 0.25x - 4.2 + 0.25x - 4.75 = 8.3

0.75x - 8.95 = 8.3

0.75x = 8.3 + 8.95 = 17.25

x = 17.25/0.75

x = 23

Substituting x = 23 into equation 1, it becomes

y = 5 × 23 - 84

y = 31

Substituting x = 23 into equation 2, it becomes

z = 2.5 × 23 - 47.5

z = 10

5 0
3 years ago
Find the range and domain of the following function
Ivan
Since we don’t see an end on the X value we know that every number could be X. This mean X is an element of reels, so the domain answer is XER, the y however is over -2, so y>-2 but it can be any number above that so it is also an element of reels. So y>-2,YER would be the range
7 0
3 years ago
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