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3 years ago

Ziv's taxicab ride cost $33. He left a 15% tip.

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

3 0

Answer:

37.95

Step-by-step explanation:

33 x 15%

0.15 x 33 = 4.95

33 + 4.95 = 37.95

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These are the means and standard deviation for samples of building heights in two different cities. Select the two true statemen

SashulF [63]

The two true statements are A. City A's heights are more spread out than B and C. City A has a lower average height than B

Explanation:

The mean for building heights in city A is 120 feet while in city B it is 200 feet. This means that if all the heights are summed with each other and this sum is divided by the number of buildings measured we get 120 feet in city A and get 200 feet in city B. So buildings in city B have a higher average height than the buildings in city A. So Option C is true.
City A has a standard deviation of 20 feet while city B's is 12 feet. This standard deviation means that the majority of buildings heights are within 20 feet in city A and 12 feet in city B. Combining both sets of data, we can say that most of city A's building heights are within 100 and 140 feet. For city B most of the building heights are within 188 feet and 212 feet. So City A has more spread than City B which is option A.

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3 years ago

Which would the phrase "the difference between a number and 2" look like as a variable expression? x−2 2x−2 2x + 2 2 + x

stich3 [128]

Answer:

x - 2

Step-by-step explanation:

"difference" means subtraction (-)

"a number" means an unknown variable -- x

x - 2

3 0

3 years ago

Activity Question 1 When designing a truss, a truss builder might know the base angle measurement and the length of the tie beam

laiz [17]

Answer:

36.87°

Step-by-step explanation:

Assume the triangles are as in the diagram below.

∠BAC includes ∠DAE.

The measure of ∠BAE is 36.87°.

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3 years ago

A new library, L, is to be built at some point along a straight road, R, such that its distance from train station, T, is the sh

andreyandreev [35.5K]

Answer:

Coordinates of the new library is (150, 70)

Step-by-step explanation:

To get the shortest possible distance means that line from point T to point R has to be perpendicular.

Now, the equation of R is given as;

y = x - 80 - - - (1)

For T to be perpendicular, it means it will have a slope equal to the negative reciprocal of line R.

Thus, slope of T is -1/1 = - 1

Thus, using line - slope intercept of y = mx + c, we can find equation of T as;

140 = -1(80) + c

140 = -80 + c

c = 140 + 80

c = 220

Thus, equation is;

y = -x + 220 - - - (eq 2)

Adding equation 1 to equation 2,we have;

y + y = 220 - 80

2y = 140

y = 140/2

y = 70

Putting 70 for y in eq 1 gives;

70 = x - 80

x = 70 + 80

x = 150

Thus;

Coordinate of the new library is (150, 70)

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3 years ago

Find the product: (6x+5)(2x−7)

Marrrta [24]

-420 is your answer
your welcome make me the brainliest!!!

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2 years ago