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DochEvi [55]
3 years ago
8

Mr Stevens wants to put 17 books on the shelf . He put 8 books on the shelf . how many more books does he need to put on the she

lf ?
Mathematics
2 answers:
just olya [345]3 years ago
7 0
Mr. Stevens has 9 books left to put on the shelf.
spayn [35]3 years ago
5 0
8 + x = 17 x = 17 - 8 x = 9 9 books left
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Un terreno de 4200 metros cuadrados de superficie se quiere dividir en dos lotes de manera que el lote menor sea tres cuartas pa
lions [1.4K]

Answer:

El lote menor tendrá 1800 m^2

El lote mayor tendrá 2400 m^2

Step-by-step explanation:

Definamos las variables:

M = superficie del lote mayor

m = superficie del lote menor.

Sabemos que el terreno tiene en total 4200 m^2

Entonces:

M + m = 4200 m^2.

Y queremos que el lote menor sea 3/4 del lote mayor, entonces:

m = (3/4)*M

Podemos reemplazar esto en la ecuación de arriba para obtener:

M + ( (3/4)*M) = 4200 m^2.

Y ahora podemos resolver esto para M

M + (3/4)*M = 4200m^2

M*(1 + 3/4) = 4200m^2

M*(4/4 + 3/4) = 4200 m^2

M*(7/4) = 4200m^2

M = (4/7)*(4200m^2) = 2400m^2

Esto significa que la superficie del mayor lote es 2400 m^2

Y la superficie del menor se puede obtener con la ecuación:

m = (3/4)*M

m = (3/4)*2400m^2 = 1800m^2

La superficie del lote menor es 1800m^2

4 0
3 years ago
What is the slope? 25 POINTS
Anika [276]

Answer: the answer is 5

Step-by-step explanation:

Done this before

8 0
3 years ago
The expression 50w+400 represents the amount of money Jenny has in her savings account after an unknown number of weeks. How muc
nasty-shy [4]

Answer:

400 originally, and 50 dollars a week from there!!

Step-by-step explanation:

Since the 50 is followed by the variable "w", and the w stands for week, we can believe that Jenny makes 50 dollars a week.

Because the 400 was in the her account to begin with, we know this is the amount she originally had!

6 0
3 years ago
483,484,467,264,367+455,456,456=?
victus00 [196]

Answer:

2,976

Step-by-step explanation:

I'm not sure if your question has to add all these answers up, but if so... than your answer should be 2,976. That's only if you are adding all of them up. Which is what is sort've looks like.

8 0
3 years ago
Hurry I'm timed hurryryeye
kozerog [31]

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>1</u><u>7</u><u>1</u>

Step-by-step explanation:

{x}^{2}  - 3y + x

substitute for x and y:

=  {(14)}^{2}  - 3(13) + 14 \\  = 196 - 39 + 14 \\  = 171

4 0
2 years ago
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