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guajiro [1.7K]
3 years ago
6

-x - 2 = -44 + 5 Not sure how to do this

Mathematics
1 answer:
ANTONII [103]3 years ago
5 0

                                         -x - 2  =  -44 + 5

That mess on the right side is just  (5 - 44), which is  -39 .
So now the equation is
                                          -x - 2   =  -39

Add  2  to each side:          -x        =  -37

Multiply each side by  -1 :   x        =   37      

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Which is greater -13 or -16?
irina1246 [14]

Answer:

-13

Step-by-step explanation:

7 0
2 years ago
NEED HELP ASAP!!!
Sergeeva-Olga [200]

Answer:

(b) P(\textrm{Event of getting a 3 in the spinner)}  =  \frac{11}{61}

Step-by-step explanation:

Let E: Event of getting a 3 in the spinner.

So, the number of favorable outcomes  =  11

Total number of outcomes = Number of times the outcomes is {1,2,3,4,5,6}

= {13 +10 +11+16+11}  = { 61}

So, the total number of outcomes = 61

\textrm{Probability of Event E}  = \frac{\textrm{Number of favorable events}}{\textrm{Total number of outcomes}}

So, here P(\textrm{Event of getting a 3 in the spinner)}  =  \frac{11}{61}

3 0
3 years ago
A country's population in 1991 was 147 million. In 1998 it was 153 million. Estimate the population in 2017 using the exponentia
Aloiza [94]
K = ln (153/147)/7
k = <span> ln (<span> <span> 1.0408163265)/7
k = </span></span></span>0.040005334584

y(t) = a * e ^ k*t

y(2017) = 147 * e^ <span><span><span>0.040005334584 </span> </span> </span> * 26
y(2017) = 147*e^ <span> <span> <span> 1.0401386992 </span> </span> </span>
y(2017) = 147* <span> <span> <span> 2.8296094512 </span> </span> </span>
<span>y(2017) = 415.95 NOT very sure of that answer


</span>









6 0
3 years ago
Please help me <br> can u explain how to do this
Ghella [55]

Answer:

x=41

Step-by-step explanation:

so since this is a right triangle you can use the Pythagorean Theorem to find the missing side. the two sides you know are 'a' and 'b' and the missing side is 'c'. the theorem says that:

a^2+b^2=c^2

so:

9^2 +40^2=c^2

solve for the exponents:

81 +1600=c^2

1681=c^2

and now, since 1681 is the missing side's length squared, we must find the square root of 1681, which is 41

hope this helps :)

7 0
3 years ago
Read 2 more answers
The probability that a male will be colorblind is .042. Find the probabilities that in a group of 53 men, the following are true
Dvinal [7]

Answer:

See below for answers and explanations

Step-by-step explanation:

<u>Part A</u>

\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=5)=\binom{53}{5}(0.042)^5(1-0.042)^{53-5}\\\\P(X=5)=\frac{53!}{(53-5)!*5!}(0.042)^5(0.958)^{48}\\\\P(X=5)\approx0.0478

<u>Part B</u>

P(X\leq5)=P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)\\\\P(X\leq5)=\binom{53}{1}(0.042)^1(1-0.042)^{53-1}+\binom{53}{2}(0.042)^2(1-0.042)^{53-2}+\binom{53}{3}(0.042)^3(1-0.042)^{53-3}+\binom{53}{4}(0.042)^4(1-0.042)^{53-4}+\binom{53}{1}(0.042)^5(1-0.042)^{53-5}\\\\P(X\leq5)\approx0.9767

<u>Part C</u>

\displaystyle P(X\geq 1)=1-P(X=0)\\\\P(X\geq1)=1-(1-0.042)^{53}\\\\P(X\geq1)\approx1-0.1029\\\\P(X\geq1)\approx0.8971

6 0
2 years ago
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