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3 years ago

Determine the value of y, if x is 3. y = | x | + 5 Answer:

Mathematics

2 answers:

dlinn [17]3 years ago

5 0

Answer:

y=8

Step-by-step explanation:

l3l=3

3+5=8 so y=8

Anettt [7]3 years ago

4 0

Y would have to equal 8 does this help

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Two angles are supplementary. The first angle has 20 degreesmore the second angle. How ma y degrees are in each angle?

Vanyuwa [196]

Answer:

100 and 80

Step-by-step explanation:

Let x = be the first angle

x-20 is the second angle

They are supplementary so they add to 180

x+x-20 = 180

Combine like terms

2x-20 =180

2x-20+20 =180+20

2x= 200

Divide by 2

2x/2 = 200/2

x= 100

The first angle is 100 and the second is x-20

x-20 = 100-20=80

The two angles are 100 and 80

3 0

3 years ago

I need your help please 30 points!

gizmo_the_mogwai [7]

Answer:

this is the answer

Step-by-step explanation:

8 0

3 years ago

Evaluate f g for x=-2<br><br>(fg)(-2)= ??

Lemur [1.5K]

Answer:

(fg)(-2) = 96

Step-by-step explanation:

$(fg)(-2)=6(-2)^{4} =6(16)=96$

Hope this helps

8 0

2 years ago

Find an explicit rule for the nth term of the sequence.The second and fifth terms of a geometric sequence are 18 and 144, respec

vova2212 [387]

Given:

second term = 18

fifth term = 144

The nth term of a geometric sequence is:

$\begin{gathered} a_n\text{ = ar}^{n-1} \\ Where\text{ a is the first term} \\ r\text{ is the common ratio} \end{gathered}$

Hence, we have:

$\begin{gathered} \text{ar}^{2-1}\text{ = 18} \\ ar\text{ = 18} \\ \\ ar^{5-1}=\text{ 144} \\ ar^4\text{ =144} \end{gathered}$

Divide the expression for the fifth term by the expression for the second term:

$\begin{gathered} \frac{ar^4}{ar}\text{ = }\frac{144}{18} \\ r^3\text{ = }\frac{144}{18} \\ r\text{ = 2} \end{gathered}$

Substituting the value of r into any of the expression:

$\begin{gathered} ar\text{ = 18} \\ a\text{ }\times\text{ 2 = 18} \\ Divide\text{ both sides by 2} \\ \frac{2a}{2}\text{ =}\frac{18}{2} \\ a\text{ = 9} \end{gathered}$

Hence, the explicit rule for the sequence is:

$a_n\text{ = 9\lparen2\rparen}^{n-1}$

5 0

1 year ago

Howard is designing a chair swing ride. The swing ropes are 5 meters long, and in full swing they tilt in an angle of 29 degrees

Firlakuza [10]

Answer:

Step-by-step explanation:7.12 meters tall

4 0

4 years ago