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hoa [83]
3 years ago
5

3x+1=10 solve each equation.check your soultion-3+8n=-54h-6=22​

Mathematics
2 answers:
Setler79 [48]3 years ago
4 0

Answer:

3x+1=10,   x =3

-3+8n=-5  x =-1

4h-6=22   h =7

hope this helped you out!

timurjin [86]3 years ago
3 0
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ 3x + 1 = 10

Subtract 1 from both sides:

3x = 9

Divide both sides by 3:

x = 3

To check this, substitute this value back in:

3(3) + 1 = 10

b) -3 + 8n = -5

Add 3 to both sides:

8n = -2

Divide both sides by 8:

x = -0.25

To check, substitute it back in:

-3 + 8(-0.25) = -5

c) 4h - 6 = 22

Add 6 to both sides:

4h = 28

Divide both sides by 4:

h = 7

To check, substitute it back in:

4(7) - 6 = 22

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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Arelli uses 6.9 pints of white paint and blue paint to paint her bedroom walls. 3/4 of this amount is white paint, and the rest
Reika [66]

Answer:

1.73

Step-by-step explanation:

Arelli use 6.9 pints of white and blue paints for her bedroom

3/4 of this amount is white

3/4

= 0.75×100

= 75

100-75

= 25

Amount of blue paint is

25/100×6.9

= 0.25×6.9

= 1.73

4 0
2 years ago
There were 23 students running in a race. How many different arrangements of first, second, and third place are possible?
Alex787 [66]

Answer:

10626 different arrangements

Step-by-step explanation:

As we have a total of 23 students and we want to form groups of 3, where the order of the 3 students matters, we can solve this problem using a permutation of 23 choose 3.

The formula for a permutation of n choose p is:

P(n,p) = n! / (n-p)!

So, using n = 23 and p = 3, we have:

P(23,3) = 23! / (23-3)! = 23! / 20! = 23 * 22 * 21 = 10626

So we have a total of 10626 different arrangements of first, second and third place.

7 0
3 years ago
What is the sum of the series?<br><br> 5<br> ​ ∑ 2j<br> j=1
Nookie1986 [14]
Substituting for values of j:-

S5  =  2(1) + 2(2) + 2(3) + 2(4) + 2(5)  =  2+4+6+8+10  =  30 answer
4 0
3 years ago
Jamie is painting her house. Each room takes 1/2 of a liter of paint.
Monica [59]

Answer:

666 liters

Step-by-step explanation:

If each room takes 1/2, then 2 room takes 1 liter. So you would do 2•333=666

8 0
3 years ago
Read 2 more answers
Print out the graph paper from the "Let's Review" section. Sketch the graph of y = 2tanx for -pi/2 ≤ x ≤ pi/2
snow_lady [41]

Answer:

<h2>The graph is attached below.</h2><h2>Same asymptote as similarity and the slopes are different.</h2>

Step-by-step explanation:

We need to find the graph of y = 2 \times tanx.......... \frac{-\pi }{2} \leq  x \leq \frac{\pi }{2}

When x = 0; y = 0\\x = \frac{\pi }{4} ; y = 2\\x = - \frac{\pi }{4} ; y = -2

and \lim_{x \to \frac{\pi }{2} } y =  \infty\\ \lim_{x \to - \frac{\pi }{2} } y = - \infty

The asymptotes are x = \frac{\pi }{2} \\ x = - \frac{\pi }{2}

If we compare the graphs of y = 2 \times tanx.....(1)\\y = tanx......(2)

then the similarities are, they have same asymptote.

Difference between them is the rate of change that is the slope of the equations.

8 0
3 years ago
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