4 years ago

The area of the rectangle and triangle and trapezoid?

Mathematics

1 answer:

suter [353]4 years ago

8 0

Rectangle- A=bh triangle- A=0.5bh trapezoid- A= ( base 1 + base 2) h divided by 2

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Help... anyone????????

katovenus [111]

Since they both have 3x terms subtract the second from the first to get rid of the x terms...

3x+2y=10
-3x+y=-13
__________
3y=-3

y=-1, which makes 3x+2y=10 become: 3x-2=10 so

x=4

So the solution is the point (4, -1)

3 0

3 years ago

Help would be appreciated

Gekata [30.6K]

Answer: Yes

Step-by-step explanation:

x = 3

y = -7

10x + 20y ≥ -3

10 (3) + 20 (-7) ≥ -3

30 + (-140) ≥ -3

30 - 140 ≥ -3

-110 ≥ -3

(3, 7) is a solution

8 0

3 years ago

If A represents a vector two units in length directed due west, B represents a vector three units in length directed due north a

Ludmilka [50]

Answer:

Step-by-step explanation:

Given

Vector A has two units in length due to west i.e.

$\vec{A}=-2\hat{i}$

Vector B has one unit in length due to North i.e.

$\vec{B}=\hat{j}$

Also $A+B=C-D$

i.e. $C-D=-2\hat{i}+\hat{j}--------1$

also $2B-A=C+D$

i.e. $C+D=2\times \hat{j}+2\hat{i}------2$

From 1 and 2

$2C=3\hat{j}$

$C=1.5\hat{j}$

$D=2\hat{i}+0.5\hat{j}$

5 0

3 years ago

Help with this most detailed answer gets Brainliest!!!

maria [59]

Answer:

D) 2/3

Step-by-step explanation:

Constant of proportionality formula:

k = y/x

8/12 = 2/3

10/15 = 2/3

12/18 = 2/3

14/21 = 2/3

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3 years ago

Find m < RQP

Helga [31]

Answer:

80°

78% positive

6 0

4 years ago