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Genrish500 [490]
3 years ago
14

What was Zane's unit rate, in words per minute, on each test?

Mathematics
1 answer:
AfilCa [17]3 years ago
4 0

Answer:

Test A: 40 words per minute

Test B: 54 words per minute

Test C: 44 words per minute

<em><u>Test B has the highest unit rate</u></em>

Step-by-step explanation:

Test A divide 30 by \frac{3}{4} (30/0.75=40)

Test B divide 78 by 1\frac{1}{2} (78/1.5=52)

Test C divide 99 by 2\frac{1}{4} (99/2.25=44)

<u>Hope this helps :-)</u>

<u />-noorati<u />

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The school that Jack goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 9 seni
raketka [301]

Answer:

Price of a senior citizen ticket is $4 and price of a student ticket is $15 .

Step-by-step explanation:

Let us assume that the price a senior citizen ticket be x .

Let us assume that the price a student citizen ticket be y .

As given

The school that Jack goes to is selling tickets to a choral performance.

On the first day of ticket sales the school sold 9 senior citizen tickets and 8 student tickets for a total of $156.

Equtaions becomes

9x + 8y = 156

As given

The school took in $163 on the second day by selling 7 senior citizen tickets and 9 student tickets.

Equations becomes

7x + 9y = 163

Multipy 9x + 8y = 156 by 9 .

81x + 72y = 1404

Multiply 7x + 9y = 163  by 8 .

56x + 72y = 1304

Subtracted 56x + 72y = 1304 from 81x + 72y = 1404 .

81x - 56x + 72y - 72y = 1404 - 1304

25x = 100

x = \frac{100}{25}

x = $ 4

Putting value of x in the 56x + 72y = 1304 .

56 × 4 + 72y = 1304

224 + 72y = 1304

72y  = 1304 - 224

72y = 1080

y = \frac{1080}{72}

y = $15

Therefore the price of a senior citizen ticket is $4 and price of a student ticket is $15 .


5 0
3 years ago
Find the maximum walking speed of a coyote with legs 0.46 m long. How much faster can a giraffe walk than a coyote?
AfilCa [17]

Answer:

7.03 ft/s

Step-by-step explanation:

To obtain speed using the model :

Speed = sqrt(gL)

L = Length of leg, g = acceleration due to gravity

Length of leg of a giraffe = 6.03

g = 9.8 m/s or 32 ft/s²

Speed of giraffe in ft/s = sqrt(32 * 6.03) = 13.89 ft/ s

Speed of coyote ; L = 0.46 m

L in feets = 0.46 * 3.23 = 1.4858 feets

s = sqrt(1.4858 * 32) = 6.895 ft/s = 6.86 ft/s

Difference in speed :

13.89 - 6.86 = 7.03 ft/s

Giraffe has 7.03ft/s more speed Than a coyote

3 0
3 years ago
9. a. Maurice says that 1079 ÷ 62 is 16 with a remainder of 87. a. Without seeing his work, how can you tell Maurice divided inc
mamaluj [8]

Answer:

a.  We can tell that Maurice divided incorrectly because if the dividend is 62, you can't have a remainder of 87, because 62 goes into 87 once, so the answer would be 17 with a remainder of 25.  B. YOu can use that fact to find the correct quotient, because 87/62 is 1, with a remainder of 25, so 16+1=17, so the answer is 17 with a remainder of 25.   Please vote the brainliest.

Step-by-step explanation:

8 0
2 years ago
Help please!! first answer gets marked brainliest!
algol [13]

Answer:

Answer 30

Step-by-step explanation:

if you need to solve or see step- by step explanation here's a link https://mathsolver.microsoft.com/en/solve-problem/%60sqrt%7B%2050%20%20%7D%20%20%20%60times%20%203%20%60sqrt%7B%202%20%20%7D

3 0
2 years ago
Which is the upper left quadrant on the coordinate plane?
Lisa [10]

Answer:

the upper left Quadrant is Quadrant II

4 0
3 years ago
Read 2 more answers
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