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Ludmilka [50]
3 years ago
12

What is the slope of a line that is parallel to the line represented by the equation y = -2/5x + 4/5

Mathematics
2 answers:
AleksandrR [38]3 years ago
8 0
If x= 2 y=0
x=1 y=2/5
Viefleur [7K]3 years ago
7 0
The slope of <span>y = -2/5x + 4/5</span> is -2/5 
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How many 7-digit phone numbers are possible, assuming that the first digit can’t be a 0 or a 1? (b) re-solve (a), except now ass
sladkih [1.3K]
A. We are going to form 7 digit numbers from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

where the first digit cannot be 0 or 1.

so we have 8 choices for the 1. digit, and 10 choices for all the other 6 digits.

this means there are 8*10*10*10*10*10*10=8* 10^{6} possible numbers.

b.

consider the numbers which start with 911. There are 10*10*10*10=10 ^{4} such numbers, since for the 4th, 5th, 6th and 7th digits we have 10 choices.

then we remove this number, from the one we found in a:

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Answer:

a.8*10^{6}
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3 0
3 years ago
A point is reflected in the x- axis. The reflected point is (2,1).
Evgesh-ka [11]

Answer:

A. (2,-1) b:2

Step-by-step explanation:

8 0
3 years ago
What is the answer for 4 1/5 × 3/7
KatRina [158]

Answer:

<h2>9/5</h2>

Step-by-step explanation:

<h3>4 1/5 × 3/7</h3><h3 /><h3>•change 4 1/5 into an <u>improper fraction</u></h3><h3 /><h3>21/5 × 3/7</h3><h3 /><h3>= 63/35</h3><h3 /><h3>= 9/5 </h3>

\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}

7 0
2 years ago
Read 2 more answers
there are about 25000000000 red boold cells in the average adult. About how many adult would it take to have a total googol of r
IRISSAK [1]
A googol is 1.0*10^100.  there are <span>25000000000 RBC in the average adult.  
The number of adults equals
1.0*10^100 / </span><span>25000000000
=</span>400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(=10^100/(25*10^9)=4*10^89)
6 0
3 years ago
What is the fraction of 10-6
gladu [14]

Answer:

1 4/6

Step-by-step explanation:

8 0
3 years ago
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