Answer:
z=11
Step-by-step explanation:
(z-1)/10=(z+1)/12
cross multiple
12z-12=10z+10
2z=22
z=11
Answer:
1) y = 115°
2) x = 120°
3) x = 163°
Step-by-step explanation:
- the sum of the interior angles of a figure = (number of sides - 2) * 180
1)
the sum of the interior angles of this figure = (5 - 2) * 180 = 540°
the fifth angle = the sum of the interior angles - the sum of the four angles
the fifth angle or y = 540 - (90 + 135 + 112 + 88) = 115
2)
the sum of the interior angles = (6 - 2) * 180 = 720°
x = 720 - (90 + 90 + 140 + 150 + 130) = 120
3)
the sum of the interior angles = (5 - 2) * 180 = 540°
x = 540 - (68 + 121 + 103 + 85) = 163
The decimal 0.5 is equal to the fraction 1/2. To find this answer, you first look at the place value of the decimal. 0.5 is read as 'five tenths'
Answer:
Point form-
(3,-2)
Equation Form:
x=3, y=-2
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
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Answer:
3/8 cups
Step-by-step explanation:
You want half of the recipe, so you want half of
3
/4 of a cup.
Of means multiplication when it comes to fractions, so multiply
3/
4 by 1/
2 to get 3
/4
⋅
1/
2
=
3/
8
