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Alona [7]
3 years ago
11

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Mathematics
1 answer:
GalinKa [24]3 years ago
6 0

Answer:


Step-by-step explanation:For the student to be considered for the tutoring or extension activities, his/her score must be 20 points lower or higher than the average.


The average is given as 105, that means:


Minimum score to be considered = 105 - 20 = 85


Maximum score to be considered = 105 + 20 = 125


If p represents the performance of a student, then this inequality will be represented as follows:


                    85 ≤ p ≤125    


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(2 x 10^5) x (3 x 10^4) <br> give your answer in standard form<br> (answer and you’ll get 20 points)
zzz [600]

Answer:

6x10⁹

Step-by-step explanation:

so we regroup them

(2×3)×(10⁵×10⁴)

6×10⁵+⁴

=6×10⁹

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3 years ago
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the table shows the number of books salvador has read Mystery:10 nonfiction:7 science fiction:5 western:2 find the ratio of myst
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10:24 or 10 to 24 you can use either one of these they mean the same thing
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N is an integer.<br> write the values of n such that -15&lt;3n<img src="https://tex.z-dn.net/?f=%5Cleq" id="TexFormula1" title="
Hoochie [10]

Answer:

-4, -3, -2, -1, 0, 1, 2

Step-by-step explanation:

\frac{-15}{3} (Divide all sides by 3 to make it easier to understand)

-5

Now you can just look at all of the possible values for n, knowing that it's an integer.

-5 is less than n, so we know that n's lowest value must be -4.

We also know that n is less than or equal to 2, so the highest value of n must be 2.

Now you can count through the remaining integers from -4 to 2.

7 0
3 years ago
Joe has 3/4 of a bag of potato chips he wants to share his bag equally with his 8 friend. How much does each friend receive.
Dominik [7]

\frac{3}{4}  \div 8 =  \frac{3}{4}  \times  \frac{1}{8}  =  \frac{3}{2}
And thus each friend receives 1 and a half of a potato chip
8 0
3 years ago
UNA POBLACION DE CIERTA CIUDAD EN EL AÑO 2000 ERA DE 250,000 HABITANTES CON UNA TASA DE CRECIMIENTO RELATIVO DEL 2% , DETERMINA
Fofino [41]

Answer:

La población que se espera para el 2012, es 317,060

Step-by-step explanation:

Si la población tiene un crecimiento relativo del 2%, entonces cada año, la población es un 2% más grande que el año anterior.

Definamos P(t) = población después de t años

Entonces, si al año t = 0 (que corresponde con el año 2000) la población es A

P(0) = A

Un año después, en t = 1, la población incrementa en un 2%

P(1) = A + (2%/100%)*A = A + (0.02)*A = A*(1.02)

Otro año después, en t = 2, la población incrementa un 2% de vuelta.

P(2) = A*(1.02) + (2%/100%)*A(1.02) = A*(1.02) + 0.02*A*(1.02)

      = A*(1.02)*(1.02) = A*(1.02)^2

Ya podemos notar un patrón, la población en el año t va a ser:

P(t) = A*(1.02)^t

Sabemos que en t = 0 (el año 2000) la población es 250,000

Entonces A = 250,000

P(t) = 250,000*(1.02)^t

Ahora queremos calcular la población en el año 2012

entonces si t = 0 es el 2000

2012 esta representado con t = 12

Reemplazando eso en la ecuación, obtenemos:

P(12) = 250,000*(1.02)^12 = 317,060.4

Como esto es una población tenemos que redondearlo al próximo número entero, como el primer digito después del punto es 4, redondeamos para abajo.

Entonces la población que se espera para el 2012 es: 317,060

5 0
3 years ago
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