3 years ago

900% 0f what number is 5,580

Mathematics

1 answer:

JulsSmile [24]3 years ago

3 0

620 is the answer. Brainliest?

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AB and BC form a right angle at point B if A = (-3,-1) and B = (4,4) what is the equation if BC

sergejj [24]

Answer:

$7x+5y-48=0$

Step-by-step explanation:

Refer the attached figure .

We are given a line AB

Point A $=(x_1,y_1) = (-3,-1)$

Point B $=(x_2,y_2) = (4,4)$

Formula for slope 'm' when two points are given :

$m=\frac{y_2-y_1}{x_2-x_1}$

Substituting thew values

$m=\frac{4-(-1)}{4-(-3)}$

$m=\frac{5}{7}$

Since we are given that AB is perpendicular to BC

So, By property - perpendicular slopes are negative reciprocals of each other.

$\Rightarrow m_1\times m_2 =-1$

$\Rightarrow \frac{5}{7}\times m_2 =-1$

$\Rightarrow m_2 = \frac{-7}{5}$

So, Slope for line BC : $m_2 = \frac{-7}{5}$

Point B = (4,4)

Formula of equation of line : $y-y_1=m(x-x_1)$

$y-4=\frac{-7}{5}(x-4)$

$5(y-4)=-7(x-4)$

$5y-20=-7x+28$

$7x+5y-20-28=0$

$7x+5y-48=0$

Hence the equation of line BC : $7x+5y-48=0$

5 0

3 years ago

Find the measure of an angle B of a triangle with the following datas: C=80, side b=40 cm, side c=56cm

Oliga [24]

Answer:

3200/560000983663562666663672

8 0

3 years ago

During a fundraiser, John raised $50, Susan raised $72, and Kara raised $65. Who has the greatest magnitude of money raised?

TiliK225 [7]

Answer:

Susan has the most money which is $72

Step-by-step explanation:

because john has $50 which is lower than $72 and kara has $65 which is lower than $72 so therefore susan has more money

5 0

3 years ago

Read 2 more answers

Y - wy = m (solve for w)<br><br><br>I need an answer ASAP.

wolverine [178]

answer:

w = (-m+y)/y

Step-by-step explanation:

y-wy = m

-wy = m-y

y = -(m-y)/w

wy= -m + y

w = (-m+y)/y

5 0

2 years ago

Paul has a board that is 1200 cm long which of the following measures is equaivilent to 1200 cm

ankoles [38]

12 meters because 100 centimeters is equal to one meter.

4 0

3 years ago

900% 0f what number is 5,580​

900% 0f what number is 5,580