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3 years ago

12

a textbook sold a combined total of 391 psychology and biology books in a week. the number of biology books sold was 71 less tha

n the number of psychology books. how many text books of each kind was sold.

1 answer:

Hunter-Best [27]3 years ago

7 0

Answer:

320

Step-by-step explanation:

I think you have to subtract the number and I think it will be 320

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Find the perimeter

Inga [223]

Answer:

56

Step-by-step explanation:

Perimeter= 4S

Perimeter= 4(5)

Perimeter= 20

Perimeter 2= 2(L+W)

Perimeter 2= 2(11+7)

Perimeter 2= 22+14

Perimeter 2= 36

Total Perimeter= P1+P2

Total Perimeter= 20+36

Total Perimeter= 56

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3 years ago

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2 years ago

6+7=10<br>13+8=18<br>32+21=32<br>11+34=0<br>31+03=?<br>process please

Stella [2.4K]

Answer:

6+7=13

13+8=21

32+21=52

11+34=46

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Step-by-step explanation:

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2 years ago

The force in Newtons acting on a particle located x meters from the origin is given by the function F(x)=12x2+7. What is the wor

Shkiper50 [21]

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2 years ago

For which system of equations is (2, 2) a solution?

Eva8 [605]

Answer D.

Insert (2, 2) in for x and y in the equations.

2(2)+ 3(2) = ?
? = 10
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? = 18

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3 years ago