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ruslelena [56]
3 years ago
7

Please help I'am lost on these two thank you

Mathematics
2 answers:
Brrunno [24]3 years ago
7 0
Answer D 32 steps
Ex...Just wants to know TOTAL # of steps taken in all.... current matter if neg. integer or pos. Just add all # of steps =32
azamat3 years ago
4 0
The first one is D. (2+11)7=7(2+11)
I'm not sure of the second one, I apologize.
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Given the functions below, find f(x) - g(x) f(x) = 2x + 5 g(x) = x^2 - 3x + 1
Inessa [10]

Answer:

One of these

Step-by-step explanation:

6 0
3 years ago
Work out the mean for the data set below:<br> 403, 404<br> Give your answer as a decimal.
mihalych1998 [28]

Answer:

605.5

Step-by-step explanation:

When you do a frequency table for this question,the zigma F becomes 2 and the zigma fx becomes 1211.Because you will multiply the marks by the frequency to get the zigma fx so after getting them you add it.Which becomes 403+808=1211.the formula for finding the mean too is zigma fx/zigma f: 1211/2=605.5

7 0
3 years ago
In a random sample of 30 sixth graders, 9 has traveled outside of the united states. there are a total of 120 sixth graders in t
soldi70 [24.7K]
The first thing we must do is find the percentage that has traveled outside of the United States.
 For this, we make the following rule of three:
 30 ---------> 100%
 9 -----------> x
 We clear the value of x:
 x = (9/30) * (100)
 x = 30%
 Then, for 120 sixth graders in the school we have:
 (0.30) * (120) = 36
 Answer:
 
36 students have traveled outside of the united states
3 0
3 years ago
The subject of the formula below is y.<br> y =x+5<br> rearrange the formula to make x the subject.
o-na [289]

Answer:

x = y - 5

Step-by-step explanation:

Given

y = x + 5 ( isolate x by subtracting 5 from both sides )

y - 5 = x

8 0
4 years ago
Read 2 more answers
A gym initially has 5000 members. Each year, the gym loses 10% of its current members and gains 100 new members. Which recursive
Elis [28]

Answer:

An = A0 + 100 * n - (An-1) * 0.10

Step-by-step explanation:

Tenemos una regla recursiva para una secuencia es una fórmula que nos dice cómo avanzar de un término a otro en una secuencia. Por lo tanto debemos buscar a An.

Hay un valor inicial que es 5000, una ganancia y una perdida de clientes, que podemos representar así:

An = 5000 + Ganancia - Perdida

Inicial = A0 = 5000

Ganancia = 100, pero cómo sucede cada año, sería: 100 * n

Perdida = 10% de los miembros actuales, si al principio son 5000 por lo tanto A0 * 0.10, pero en este primer caso es que es A0, pero en general serían An-1

reemplazando:

An = A0 + 100 * n - (An-1) * 0.10

7 0
4 years ago
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