Answer: 4r = 4
Step-by-step explanation:
Ruth bought 4 rulers and each ruler is to be represented by r. She therefore bought:
= 4r
She bought these for a total of $4.00 so the equation then becomes:
4r = 4.00
Equation representing situation is: 4r = 4
The answer is he needs 7.5 pizzas but you can’t do that so you round up to 8 pizzas
Answer:
9 t-shirts
Step-by-step explanation:
Well if she made a profit of $30 that would mean that you would subtract $84-$30 which would give you $54. Than you would divide 54/6 to find how much t-shirts she sold.
-Hope this helped (this is one of the first questions ive answered )
That would be zero.
Obtuse means more than 90 degrees. A triangle's angles add up to 180 degrees so can't have two obtuse angles.
Answer:
(0.2278, 0.3322)
Step-by-step explanation:
Given that out of 400 people 112 agree and 288 disagree
Proportion of people agreeing = 
For confidence interval 90% we have critical value as
1.645
Margin of error =1.645*SE
=
Confidence interval 
