Pretty sure its B but if im wrong please dont be mad.
Use the formula for area of a triangle:
Area = 1/2 x base x height.
Fill in what you know:
40 = 1/2 x 20 x height
Multiply both sides by 2:
80 = 20 x height
Divide both sides by 20
Height = 4 m
Answer:
28 km
Step-by-step explanation:
One leg = 35 km
Second leg = 21 km
We need to find the length of the missing leg. Using Pythagoras theorem, we can find it.
Hypotenuse² = base² + perpendicular²

So, the length of the missing leg is equal to 28 km.
Answer:
a,b=4,-2
Step-by-step explanation:
Subtract:
a-a+4b-10b=-4-(-16)
-6b=-4+16
-6b=12
b=-2.
Plug in:
a+4(-2)=-4
a-8=-4
a=4.
Hope this helps plz hit the crown :D
<span>60 degrees
it will take you longer to rotate this physical object by 180 degrees than to rotate it 90 degrees. your mental image should operate the same way the physical objects operate. then it will take you longer to rotate the mental image 180 degrees then rotate it 90 degrees. the dependent variable was reaction time not accuracy.</span>