Answer:10 cents
Step-by-step explanation:you said that the bat cost dollar,so it means that the ball have to cost ten cents
Answer:
![\huge\boxed{\text{At least an } 87\%}](https://tex.z-dn.net/?f=%5Chuge%5Cboxed%7B%5Ctext%7BAt%20least%20an%20%7D%2087%5C%25%7D)
Step-by-step explanation:
In order to find what score Alex must earn to have an average of 86 on all his tests, we need to first note what the formula to find the average of a data set is.
![\displaystyle \frac{x_1+x_2+...x_n}{n}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cfrac%7Bx_1%2Bx_2%2B...x_n%7D%7Bn%7D)
What the formula means is that we have to add up all the values then divide by the total number of values.
Let's represent our unknown number as
.
(since we want AT LEAST an 86).
Let's solve this inequality for x.
So, Alex must score at least an 87% on his next quiz to have an average of 86%.
Hope this helped!
For question 4 the answer is yes and for question 5 the answer is false
Answer:
284.6 square yards
284.6 yd^2
Step-by-step explanation:
Base: 7 × 13 = 91
Rectangle Sides: 6.1 × 13 = 79.3 (x2 = 158.6)
Triangle Sides: 5 × 7 = 35 (÷2 ×2 = 35)
Add: 91 + 158.6 + 35 = 284.6