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kkurt [141]
3 years ago
13

The answers to 4,5,6

Mathematics
1 answer:
Zolol [24]3 years ago
6 0
4. x < 5; 9*5 = 45; The answer has to be less than 45; 45/9 =5; so x has to be less than 5.

5. n <= -3; -14*-3 = -42; The answert has to be greater than or equal to 42; 42/-14 = -3; so n has to be less than -3 or equal to -3.

6. x > 24; The answer has to be less than -6; 24/-4 = -6; so the answer has to be greater than 24.

Hope this helped☺☺
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Jennifer can run 12 miles in 2 hours, and she can bike 33 miles in 3 hours. What is Jennifer’s biking speed?
anastassius [24]

Answer:

11 miles per hour

Step-by-step explanation:

The biking speed is found by taking the miles and dividing by the hours

33 miles/ 3 hours

11 miles per hour

3 0
4 years ago
If
strojnjashka [21]

p + q =  \frac{2u}{1 - u}  +  \frac{1 + u}{1 - u}  =  \frac{1 + 3u}{1 - u}

p - q = \frac{2u}{1 - u}  -  \frac{1 + u}{1 - u}  =  \frac{u - 1}{1 - u}

\frac{p + q}{p - q}  =  \frac{1 + 3u}{1 - u}  \div  \frac{u - 1}{1 - u}  = \frac{1 + 3u}{1 - u}  \div  (- 1) =  -  \frac{1 + 3u}{1 - u}

5 0
4 years ago
The numbers of students in the four sixth-grade classes at Northside school are 26,19,34 and 21. Use properties to find the tota
san4es73 [151]
Basically there are 3 addition properties and they are associative property, identity property, and commutative property. 

Commutative property is just changing the order of the addends. Example: 26+19+34+21= 21+34+19+26

Identity Property is just adding a 0 to the number that doesnt change anything. Example: 26+19+34+21 +0 = 100

Associative property is just changing the grouping of the addends. Example: (26+19) + (34+21) 
6 0
3 years ago
Divide these polynomials (8x^3+2x^2-7x+2)/(2x-1)
dedylja [7]

Answer:

4x^2+3x-2

Step-by-step explanation:

We are given that

\frac{8x^3+2x^2-7x+2}{2x-1}

We have to divide the polynomials.

We have

Divisor polynomial=2x-1

Dividend polynomial=8x^3+2x^2-7x+2

\frac{8x^3+2x^2-7x+2}{2x-1}=4x^2+3x-2

Quotient=4x^2+3x-2

Remainder=0

3 0
4 years ago
Paolo and Monika are both travelling by train.
Sauron [17]

Answer:

32 km/hr

Step-by-step explanation:

Firstly, you need to find the speed of both trains in km/hr.

Paolo's train= (70km x 60hr)/35= 120 km/hr

Monika's train= 684km/4.5hr= 152 km/hr

Then find the difference in speed:

152-120=32 km/hr

6 0
2 years ago
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