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Darya [45]
3 years ago
12

Obtén lo que se te pide, dadas las dos matrices siguientes.

Mathematics
1 answer:
Ivan3 years ago
6 0
I think its b because it makes sense
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Hi- I need help please to get my HS diploma...did not graduate :(
Karo-lina-s [1.5K]

Answer:

B

Step-by-step explanation:

first for the easy one : the curve line is dotted, if the line points are NOT part of the solution. and it is solid, if the points are included.

you know what the curve line indicates ? it indicates the points for which there is equality.

so, if there is a ">=" or "<=" relation, then that includes equality, and the curve is solid.

if there is only a true inequality ("<", ">"), then the curve is dotted, as the equality is not included.

so, I how this is now really clear.

in our case here (I suspect it really looks like this)

y + 4x <= x² + 2

we have a "<=" sign, so, the curve is ..., well ? ... well ? ...

well ? ... well ? ... solid !

and we still treat inequalities as much as possible as regular equalities.

so,

y <= x² - 4x + 2 (after subtracting 4x from both sides).

and now you see it, right ?

all y values that are smaller or equal to the quadratic expression.

SMALLER ! so, BELOW the curve (as the smaller y values are represented by the lower part of the y-axis).

4 0
2 years ago
1.The length of a ship model is 3% of the length of the actual ship. The model is 1.5 M long. How long is the actual ship? ____M
Vilka [71]
We have to find 100% of the number. We can use proportion to get it
3% -----------1.5m
100% -------- x
crossmultiply now
3*x=1.5*100
3x=150      /:3 divide both sides by 3
x=50m

2. Similar situation
40% ------------1000
100% -----------x
crossmultiply
40*x=100*1000
40x=100000      /:40
x=2500 - its the answer
8 0
3 years ago
The next term in 3, 12, 48, 192,768,...
geniusboy [140]

3 * 4 = 12

12 * 4 = 48

48 * 4 = 192

192 * 4 = 768

The next number in the sequence is  the previous number multiplied by 4:

The next number would be 768 x 4 = 3072

3 0
3 years ago
Read 2 more answers
Car travels 360 miles on 18 gallons of gas. Write the unit rate.
mars1129 [50]

360/18=20

So, your answer is 20 unit rate.

Hope this will help you!

5 0
3 years ago
Write two subtraction equations to show how to find 15 - 7
pantera1 [17]
15-7=8         
i hope it helps
5 0
3 years ago
Read 2 more answers
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