2 years ago

Find the slope between the points (2,9) and (3,1) * Please I need help immediately

Mathematics

1 answer:

Feliz [49]2 years ago

3 0

Answer:

Step-by-step explanation:

Distance between x's (Δx)

This field is calculated automatically, you cannot change it's value manually.

Distance between y's (Δy)

d = √(Δy2 + Δx2) = √(12 + 02) = √1 = 1

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2 years ago

Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you

Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is $b=-30$ .

Step-by-step explanation:

Given:

$\frac{2}{5}b+1=-11$

Now given:

According to Mai $b = -25$ and According to Tyler $b = -28$

Now we need to find which of them is correct.

So we will solve the given equation we get;

$\frac{2}{5}b+1=-11$

Subtracting both side by 1 we get;

$\frac{2}{5}b+1-1=-11-1\\\\\frac{2}{5}b =-12$

Now Multiplying both side $\frac{5}{2}$ we get;

$\frac{2}{5}b\times\frac{5}{2}= -12 \times \frac{5}{2}\\\\b=-6\times 5\\\\b=-30$

Hence both of them are incorrect, correct answer is $b=-30$ .

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3 years ago

Need Help ASAP

iren2701 [21]

The sum of the interior angles of a triangle is 180 degrees

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Step-by-step explanation:

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