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ipn [44]
3 years ago
12

Help 7th grade math problem

Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0

Answer:

Blank read 330 pages in 45 hours

Step-by-step explanation:

Cerrena [4.2K]3 years ago
3 0

Answer:

440

Step-by-step explanation:

multiply 330 pages by 4/3 = 440 pages/hour

You might be interested in
Find the equation of the line passing through (-2,8) and (5,-3)
Advocard [28]

y = -2/3x + 5

this is the slope intercept. -2/3 is the slope and 5 is where it intercepts the y axis.

hope this helps

4 0
3 years ago
Juana compró una camioneta 4x4 a S/ 42 000; además, sabe que la camioneta se depreciará (bajará su precio) en forma lineal duran
prohojiy [21]

Answer:

Una relación lineal es de la forma:

y = a*x + b.

donde a es la pendiente y b es la ordenada al origen.

en este caso, y es el precio de la camioneta, x es el numero de años que pasaron, a es la razon de depreciación de la camioneta y b es el precio inicial de la camioneta, b = $42,000.

Sabemos que después de 5 años, el precio de la camioneta es 21,000, entonces podemos resolver:

$21,000 = a*5 + $42,000

a*5 = $21,000 - $42,000 = -$21,000

a = -$21,000/5 = -$4,200

Esto significa que el precio decae $4,200 por año

4 0
3 years ago
Simplify -3[5 - (-8 + 6)]<br> -21<br> -9<br> 21
Aloiza [94]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

-3[5-(-8+6)]  Equation/Question

Step 2

-3[5-(-8+6)]  Simplify

(-3)(7)

Step 3

(-3)(7)  Multiply

-21

Answer

-21

Hope this helps

8 0
2 years ago
Please help meeeeeeee
slavikrds [6]
D no Solution would be the answer
7 0
2 years ago
I don’t understand these 3 questions and I need help.
rjkz [21]
Not sure about the first one but the second one is option c (or -3). You just have to factor and find the solutions (so it would be -7 and 4 and then u just add them)

For question 39 the answer is c
6 0
2 years ago
Read 2 more answers
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