Answer:
i. ans in picture
ii. ans in picture
iii. ans in picture
iv. 19
v. 38
Step-by-step explanation:
i. working in picture
ii. working in picture
iii. working in picture
iv.
180-90=90
90=2x+7+45=2x+52
2x=90-52=38
x=19
v.
angle COD=3x+10
180-3x+10-2x
180+10=2x+3x
190=5x
x=38
Measure = 1/2 (120-30)
1/2(90)
45
Answer = 45°
Answer:
The system of equations is
Step-by-step explanation:
Let
c-----> the number of cheese pizzas
s----> the number of salads
we know that
-----> equation A
-----> equation B
8 + 0.3 =
Standard . . . 8.3
Words . . . "eight and three tenths".
Well, the decrease was 130 - 39, that is 91
so... if 130 is the 100%, what is 91 of that in percentage?
well

solve for "x"