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xz_007 [3.2K]
3 years ago
14

Passes throw (1,-3),slope=1

Mathematics
1 answer:
EastWind [94]3 years ago
7 0
Y=mx+b

-3=1(1)+b
-3=1+b
-3-1=1-1+b
-4=b

y=1x-4

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(-9,-2) (-5,0)<br> What’s the slope
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Answer:

0.5 or 1/2

Step-by-step explanation: Use the slope formula: y2 - y1 / x2 - x1

0 - (-2) / -5 - (-9)

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On a map the distance between rip and Janeiro Brazil and San Jose Costa Rica is 4 inches.the scale on the map shows that 1 inch=
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The way a proportion is set is as follows;

\dfrac{1 \ inch}{200 \ miles } = \dfrac{4 \ inches}{ Distance \ from \ Rio \ de \ Janeiro \ to \ San \ Jose}

The Distance from Rio de Janeiro and San Jose Costa Rica is then found as  800 miles

Step-by-step explanation:

The dimension of the distance between Rio de Janeiro and San Jose Costa Rica = 4 inches

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To figure out how many miles it is or the actual distance from Rio de Janeiro and San Jose Costa Rica, we have;

\dfrac{1 \ inch}{200 \ miles } = \dfrac{4 \ inches}{ Distance \ from \ Rio \ de \ Janeiro \ to \ San \ Jose}

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(4 inches × 200 miles)/(1 inche) = Distance from Rio de Janeiro and San Jose Costa Rica

Which gives;

Distance from Rio de Janeiro and San Jose Costa Rica = 800 miles.

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