-6 + 5(8 - k) - 8k Dose anyone know?
2 answers:
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Answer:
The unknown number is 1.
Step-by-step explanation:
You have to form an expression. So let's make the unknown number as x. Firstly, a number is multiplied by 5 :
Secondly, 5 is added to product and you will get 10 :
Lastly, you have to solve :
Answer:
Step-by-step explanation:
x=5 because it is an isosceles right triangle , as we have and angle of 45 and one of 90
y is the hypothenuse of the triangle
y^2=(5)^2+(5
)^2=50+50=100
y=10
the larger triangle is 30-60-90
side opposite of 90 degrees is 2y
r=20
side opposite of 60 degrees is y
z=10