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anzhelika [568]
3 years ago
14

Solve systems of equations algebraically x+4y=3 and 2x-3y=17 what is the system of equations

Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0
Type the equations to a website called maths papa-using their algebra calculator, i highly recommend it, it shows all the working clearly and the answers are always correct
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How do i find x and y?​
mario62 [17]

Answer:

y=65

x=50

Step-by-step explanation:

exterior angle of a triamgle is equal to sum of two interior angles

so

2y=130(as it is isosceles triangle)

y=65

we know y+y+x=180(sum of all angles of triangle)and (vertically opposite angle)

therefore, x=50

8 0
3 years ago
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amid [387]

Answer:

55M

Step-by-step explanation:

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Abraham has visited country somebody he has a cold or visiting at least 50 countries he plans to choose a school by visiting fiv
Ipatiy [6.2K]

<em>Question:</em>

<em>Abraham has visited at least 50 countries; he plans to visit five new countries per year (Y) for the next several years. Which inequality and solution shows the amount of years they will take for Abraham to meet his goal.</em>

Answer:

Countries \geq 50 + 5y

y \leq 29

Step-by-step explanation:

Given

Countries = 50 ------ at least

Yearly =5

Required

Represent as an inequality

"at least" means \geq

So the countries he has visited can be represented as thus;

Countries \geq 50

If

1 year = 5 countries

y years would be 5y countries

So, in y years; he'd have visited

Countries \geq 50 + 5y

To determine the value of y.

We have that

Countries = 195 <em>in the world</em>

<em>Substitute 195 for Countries</em>

195 \geq 50 + 5y

<em>Collect Like Terms</em>

195 - 50 \geq 5y

145 \geq 5y

<em>Divide through by 5</em>

145/5 \geq y

29 \geq y

<em>Reorder</em>

y \leq 29

This means that; he'll visit all countries in at most 29 years' time

3 0
3 years ago
Round 27506 to the nearest 1000
lana [24]

Answer:

30000

Step-by-step explanation:

take 7 it is above four so it goes up but

you need then one behide it to its a 5 so it goes up

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3 years ago
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3 years ago
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