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3 years ago

6

Por que las matemáticas tienen letras ?????

1 answer:

Sever21 [200]3 years ago

4 0

Answer:

porque representan lo que tienes que averiguar

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Help me! :( will appreciate any type of help

KengaRu [80]

Answer:32

Step-by-step explanation: (2+3x)= 98 then solve

8 0

3 years ago

What is the equation of a line that passes through (1,5) and (3,11)? Show work please.

jekas [21]

First, find the gradient/slope:
Use slope formula:
m=(y2-y1)/(x2-x1)
=(11-5)/(3-1)
=6/2
=3
Then use the line equation formula:
y=mx+c
You can substitute (1,5) if you like, also must substitute the slope as well!
5=3x1+c
c=2
Then find the full equation, which gives you the answer:
y=3x+2

3 0

3 years ago

In the diagram, point D divides line segment AB in the ratio of 5:3. If line segment AC is vertical and line segment CD is horiz

KIM [24]

Answer:

D

Step-by-step explanation:

First, find the coordinates of pointD if A(2,-6), B(10,2) and point D divides line segment AB in the ratio of 5:3.

If point D divides the segment AB in the ratio m:n, then

$D\left(\dfrac{nx_A+mx_B}{m+n},\dfrac{ny_A+my_B}{m+n}\right)$

So

$D\left(\dfrac{3\cdot 2+5\cdot 10}{5+3},\dfrac{3\cdot (-6)+5\cdot 2B}{5+3}\right)=D(7,-1)$

Point C has the x-coordinate the same as point A and the y-coordinate the same as point D.

Thus, C(2,-1)

5 0

3 years ago

Read 2 more answers

Please help me with a, b, and c

EastWind [94]

A: Deena subtracted 25, instead of adding it.
B: 9x - 25 = 88.
C: no idea

7 0

3 years ago

Find the area<br> top/bottom: 10.8<br> sides: 8.7

mihalych1998 [28]

93.96. You multiply them together to get the answer.

4 0

3 years ago