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kondaur [170]
3 years ago
5

Subtract 16a+3 from 13a−5

Mathematics
2 answers:
AleksAgata [21]3 years ago
5 0

Answer: -3a - 8

Step-by-step explanation:

(13 a - 5 ) - (16a + 3) = 13 a - 5 - 16a - 3 = -3a -8

n200080 [17]3 years ago
4 0

Answer:

3a+8

Step-by-step explanation:

(16a+3)-(13a-5)=

16a+3-13a+5=3a+8

plz mark as brainliest

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10 +4m when m = -2<br> i really need help on this lol
Leviafan [203]
<h2><u>ANSWER</u></h2>

2

Step-by-step explanation:

10+4m

=> 10+4(-2)

=> 10-8

=> 2

5 0
3 years ago
Read 2 more answers
Solve each equation using the quadratic formula. Find the exact solution, then approximate the solution to the nearest hundredth
Anika [276]

Answer:

x_1=\frac{5+\sqrt{33}}{4}≈2.69

x_2=\frac{5-\sqrt{33}}{4}≈-0.19



Step-by-step explanation:

 To solve this problem you  must apply the proccedure shown below:

1. You have that the quadratic formula is:

x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}

2. To solve the quadratic equation you must substitute the values. So, you have that:

Rewrite the equation:

2x^{2}-5x-1=0

a=2\\b=-5\\c=-1

Then you have:

 x=\frac{-(-5)+/-\sqrt{(-5)^{2}-4(2)(-1)}}{2(2)}

3. Therefore, you obtain the following result:

x_1=\frac{5+\sqrt{33}}{4}≈2.69

x_2=\frac{5-\sqrt{33}}{4}≈-0.19


4 0
3 years ago
Read 2 more answers
-11=a+7 dolce equation
zubka84 [21]

-11 = a + 7   Given

-7        -7    Subtract 7 on each side to cancel out +7 and isolate variable

-18 = a       Answer

Prove.

-11 = -18 + 7    Plug in variable value

-11 = -11

True.

4 0
3 years ago
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What is a positive angle less than 360 degrees that is conterminal with 540 degrees
jekas [21]

Answer:

Please check the explanation.

Step-by-step explanation:

As we have to determine a positive angle less than 360 degrees that is conterminal with 540 degrees.

so

  • Subtract 360° from 540°

540° - 360° = 180°

The resulting angle of 180° is positive, less than 360°, and coterminal with 540°.

7 0
3 years ago
The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall sem
wariber [46]

Answer:

In order to calculate the expected value we can use the following formula:  

E(X)=\sum_{i=1}^n X_i P(X_i)  

And if we use the values obtained we got:  

E(X)=(1060*0.5) +(1400*0.1) +(1620*0.4)=1318  

Step-by-step explanation:

Let X the random variable that represent the number of admisions at the universit, and we have this probability distribution given:

X        1060   1400    1620

P(X)     0.5      0.1        0.4

In statistics and probability analysis, the expected value "is calculated by multiplying each of the possible outcomes by the likelihood each outcome will occur and then summing all of those values".

The variance of a random variable Var(X) is the expected value of the squared deviation from the mean of X, E(X).

And the standard deviation of a random variable X is just the square root of the variance.  

In order to calculate the expected value we can use the following formula:  

E(X)=\sum_{i=1}^n X_i P(X_i)  

And if we use the values obtained we got:  

E(X)=(1060*0.5) +(1400*0.1) +(1620*0.4)=1318  

3 0
3 years ago
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