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expeople1 [14]
3 years ago
11

Matthew wants to save up to buy a new PS5 whenever it comes out. He

Mathematics
2 answers:
Zepler [3.9K]3 years ago
4 0

Answer:

y= 15x + 75

Step-by-step explanation:

Semmy [17]3 years ago
3 0

Answer:

llllllllllllllllllllllllllllllllll

Step-by-step explanation:

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Consider the set of differences, denoted with d, between two dependent sets: 84, 85, 83, 63, 61, 100, 98. Find the sample standa
sveta [45]

Answer:

The sample standard deviation is 15.3.

Step-by-step explanation:

Given data items,

84, 85, 83, 63, 61, 100, 98,

Number of data items, N = 7,

Let x represents the data item,

Mean of the data points,

\bar{x}=\frac{84+85+83+63+61+100+98}{7}

=82

Hence, sample standard deviation would be,

\sigma= \sqrt{\frac{1}{N-1}\sum_{i=1}^{N} (x_i-\bar{x})^2}

=\sqrt{\frac{1}{6}\sum_{i=1}^{7} (x_i-82)^2}

=\sqrt{\frac{1}{6}\times 1396}

=\sqrt{232.666666667}

=15.2534149182

\approx 15.3

4 0
2 years ago
Which is an example of an algebraic expression? A. 2k + 25 B. z – 8 = 44 C. 3 + 7 = 10 D. 76 – 10
photoshop1234 [79]
Options a and b are the algebraic expressions
7 0
3 years ago
Read 2 more answers
Says hint: divide, i dunno
lapo4ka [179]

distance= rate * time

distance/rate=time

(2.4 *10^20)/ (1.2*10^5)  = 2 * 10^15 seconds

6 0
2 years ago
If anyone can help i would appreciate it. Ill give brainiest to anyone who answers with out a link
vovikov84 [41]

Answer:

im pretty sure what u have ther is right

5 0
3 years ago
Read 2 more answers
Isa and Jack have part-time jobs.
const2013 [10]
If x is number of hours worked and y total pay, in y=9.5x, 9.5 is hourly rate.
Isa's hourly rate is 9.5$.
From the table: for 2 hours worked Jack earns 16.5$, for 5 hours worked 41.25$ and for 8 66$. Jack's hourly rate is 16.5$/2=8.25$.
9.5/8.25=1.15
Isa earns 9.5$ per hour and Jack earns 8.25$ per hour. Isa's hourly rate of pay is 1.15 Jack's hourly rate of pay.
7 0
3 years ago
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