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erica [24]
2 years ago
12

11) A map of North Carolina is scaled so that 3 inches represents 93 miles. How far apart are Raleigh

Mathematics
1 answer:
aliina [53]2 years ago
8 0

Answer:

Step-by-step explanation:

please help

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A display order of numbers are called​
Sergeu [11.5K]

Answer:

I think

A display order of numbers are called​ <u>sequences</u>.

7 0
3 years ago
Read 2 more answers
PLEASE HELP IM BEHIND AND SCHOOL IS OUT IN 2 DAYS
Alexxx [7]

Answer: #1 his school is out

Step-by-step explanation: #2 bcuz all sides equal to 66cm.

Please mark me brainlest.✌✌

5 0
3 years ago
How do you do this? Please give an example to #1 and explain thoroughly please. I have asked multiple times and gotten answers I
liberstina [14]

Answer:

y=2x

Step-by-step explanation:

y = kx is the format of the graph we are looking for (as told in the instructions) where k is the variable we are supposed to find (like y = x, y=2x, y=3x, etc)

Note that as x increases by 1, y increases by 2. We can see that by writing a table of the points of points that the line given intersects (picture below). We can see that by the values of the x-axis and the y-axis. Why does this happen? This is because y =2x for each value of x. We notice that in our table.

Therefore, the equation is y=2x. I hope this helps! If you still have questions, ask me in the comments!

4 0
3 years ago
A tank contains 1000 L of pure water. Brine that contains 0.05 kg of salt per liter of water enters the tank at a rate of 5 L/mi
Margaret [11]

Answer:

a) y(t)=0.65\frac{Kg}{min}(tmin)

b) y(40)=26Kg

Step-by-step explanation:

Data

Brine a (Ba)

V_{Ba}=5\frac{Lt}{min}\\  Concentration(Bca)=0.05\frac{Kg}{Lt}

Brine b (Bb)

V_{Bb}=10\frac{Lt}{min}\\  Concentration(Bcb)=0.04\frac{Kg}{Lt}

we have that per every minute the amount of solution that enters the tank is the same as the one that leaves the tank (15 Lt / min)

, then the amount of salt (y) left in the tank after (t) minutes: y=V_{Ba}*B_{ca}+V_{Bb}*B_{cb}=5\frac{Lt}{min}*0.05\frac{Kg}{Lt}+10\frac{Lt}{min}*0.04\frac{Kg}{Lt}=\\0.25\frac{Kg}{min}+0.4\frac{Kg}{min}=0.65\frac{Kg}{min}

Finally:

a) y(t)=0.65\frac{Kg}{min}(tmin)

b) y(40)=0.65\frac{Kg}{min}(40min)=26Kg

being y(t) the amount of salt (y) per unit of time (t)

5 0
3 years ago
-9a + 139 = -1a + 59 what is a?
beks73 [17]
<span>-9a + 139 = -1a + 59

-9a + a= 59 - 139

-8a = - 80

a = 10</span>
3 0
3 years ago
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