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Masja [62]
3 years ago
13

A race car travels 100 feet in 5 seconds, at this rate of speed, how many feet will the race car travel in a minute

Mathematics
2 answers:
Basile [38]3 years ago
6 0
There are 60 seconds in one minute, and 60/5=12, so the race car would travel 100 feet every 5 seconds 12 times in one minute. You can simply multiply 100 by 12 to get your answer.
100x12=1200
The race car travels 1,200 feet in one minute.
crimeas [40]3 years ago
4 0
60 sec in a min, 60/5 = 12, therefore 100 x 12= 1200 ft per min
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Given: ∠T ≅ ∠V; ST || UV
Novay_Z [31]

The respective missing proofs are; Alternate interior; Transitive property; Converse alternate interior angles theore

<h3>How to complete two column proof?</h3>

We are given that;

∠T ≅ ∠V and ST || UV

From images seen online, the first missing proof is Alternate Interior angles because they are formed when a transversal intersects two coplanar lines.

The second missing proof is Transitive property because angles are congruent to the same angle.

The last missing proof is  Converse alternate interior angles theorem

because two lines are intersected by a transversal forming congruent alternate interior angles, then the lines are parallel.

Read more about Two Column Proof at; brainly.com/question/1788884

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7 0
2 years ago
8y-2d=0 5y+4d=26 1/4
Anit [1.1K]

Answer:

y = 1

d = 4

Step-by-step explanation:

8y - 2d = 0 ---------------(I)

5y + 4d = 26 1/4

5y + 4d =  105/4  ------------------(II)

(I)*2      16y  - 4d = 0

(II)          <u>5y + 4d = 105/4</u>      {add (I) &(II)}

             21y        = 105/4

y = \frac{105}{5*21}\\\\y=\frac{105}{105}\\\\y = 1

Substitute y =1 in equation (I)

8*1 - 2d = 0

8 - 2d = 0

   -2d = -8

      d = -8/-2

d = 4

7 0
2 years ago
Read 2 more answers
A choral conductor has 1648 singers in her choir, some of them are professional singers. The conductor wants to estimate what pe
alina1380 [7]

Answer:

B. entire singers

Step-by-step explanation:

A population consists of all subjects that are being studied.

The total number of singers the choral conductor choral conductor  has in her choir is 1648.

The 1648 singers refers to the entire subject being studied

Therefore the population is the entire singers.

The correct answer is B.

4 0
3 years ago
A researcher wants to determine whether the number of minutes adults spend online per day is related to gender. A random sample
suter [353]

Answer:

The expected frequency for the cell E2,2 is = 33

Step-by-step explanation:

The given data is

Gender               | 0-30| 30-60| 60-90| 90+       Totals

Male                    | 23    |    35   |   76    |  46        180

<u> Female               |   31   |    42   |   46    |  16         135    </u>

<u>Totals                    54         77        122    62          315  </u>

<u />

The expected frequency for the cell E2,2 is :

Expected for the (30-60 box for females)   =  Total of (30-6)/ (total )* females

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Here p= 77/315 and n= 135

therefor X= pn = 33

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Expected for the (30-60 box for males)   =  Total of (30-6)/ (total )* males

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χ²=  (44-42)²/44= 0.09

The critical region is  χ² (0.05) 3 ≥  χ²= 11.34

Let the null and alternate hypothesis be

H0:the number of minutes spent online per day is not related to gender

against

Ha: the number of minutes spent online per day is related to gender

The single value of χ² for E2,2 = 2.45 is less than the critical value of 11.34.  

6 0
2 years ago
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butalik [34]

Answer:

ITS B ..

Step-by-step explanIation:

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