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Ugo [173]
3 years ago
11

A wooden roller coaster at a theme park has a height restriction: passengers must be at least 45 inches tall.

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0
H≥45 in

...

Place a solid dot at 45, because 45 in is part of the solution set, then extend a positive line from that dot going to the right.
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I can’t seem to figure this out help please
qwelly [4]

Answer:

10 hours

Step-by-step explanation:

you need to drop 36 degrees, so 36/4 = 9 hours

1 pm + 9 hours = 10 pm

7 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST
AnnZ [28]

Answer:

I think it's -11/6

Step-by-step explanation:

just guessingggg

3 0
3 years ago
2x-y=3<br> -x-y=3 <br><br> what does this equal system of equations
Jet001 [13]

Topic : Linear equations in two variables.

Given :

  • 2x - y = 3 ––– (i)
  • - x - y = 3 ––– (ii)

Solution :

Now,

(i) – (ii)

\qquad \sf \: { \dashrightarrow 2x - y - ( - x - y) = 3 - 3}

\qquad \sf \: { \dashrightarrow 2x - y  +  x  + y) = 3 - 3}

\qquad \sf \: { \dashrightarrow 3x = 0}

\qquad \bf \: { \dashrightarrow x = 0}

Now, substituting the value of x in Eq (i) :

\qquad \sf \: { \dashrightarrow 2x - y = 3 }

\qquad \sf \: { \dashrightarrow 2(0)- y = 3 }

\qquad \sf \: { \dashrightarrow 0- y = 3 }

\qquad \bf \: { \dashrightarrow  y =  - 3 }

Therefore,

  • <u>The value of x = 0 and y = -3</u>
3 0
2 years ago
Factor -1/4 out of -1/2-5/4y
In-s [12.5K]
When we factor out something, we divide the factor by the equation. For example if we were to factor 3 out of 6, It will be 3(2). We got this answer by dividing 3 and 6. Using this concept:

\frac{-1}{4}[( \frac{-1}{2} / \frac{-1}{4}) - ( \frac{5}{4} y /  \frac{-1}{4})]

Simplifying:

\frac{-1}{4}(2 + 5y)

Hope this helps!
3 0
3 years ago
I need help with #39-42, please explain.
shusha [124]

For question 39 & 40, we need to use the below equation to complete the sentence

l=m\sqrt{n}

Question 39:

When ' n ' increase, the \sqrt{n} will also increase and that multiplied with constant ' m ', the l will also increase.

Solution for question 39:

As n increases and m stays constant , l <u>increases</u>

-------

Question 40:

Solving the equation for m, we get

l = m\sqrt{n} \\ \\ m=\frac{l}{\sqrt{n}}

When ' l ' increases, the numerator increase, the denominator stays constant because 'n' stays constant, for this condition, the fraction increases.

Solution for question 40:

As l increase and n stays constant, m <em><u>increases</u></em>

------

For question 41 & 42, we need to use the below equation to complete the sentence

r=s^2/t^2

Question 41:

When s is triped, the equation will be...

r=(3s)^2/t^2=\frac{3^{2}s^{2}}{t^2}   =9s^2/t^2

Solution for question 41:

If s is tripled and t stays constant, r is multiplied by <em><u>9</u></em>

--------

Question 42:

When t is doubled, the equation will be...

r=s^2/(2t)^2=\frac{s^2}{2^2 \cdot t^2}=\frac{s^2}{4t^2}\\   \\ r=0.25s^2/t^2 \; \; (or) \; \; \frac{1}{4} \cdot \frac{s^2}{t^2}

Solution for 42:

If t doubled and s stays constant, r is multiplied by <em><u>1/4 or 0.25</u></em>


3 0
3 years ago
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