Answer:
- 9
Step-by-step explanation:
Substitute x = - 3 into the expression
(- 3)² - 2(- 3) - 24
= 9 + 6 - 24
= 15 - 24
= - 9
Answer:
y=521x+220
Step-by-step explanation:
he makes 521 per week, his income depends on the number of weeks worked.
The 220 is a one time thing, his grandma is not giving his 220 a week.
Answer:
7:10
Step-by-step explanation:
14/20= 7/10
Answer:
- The height of the other book is <em>2 3/4</em> inches.
Step-by-step explanation:
<em>From the information,we get:</em>
Two stacks of books together are = 7 1/2 inches tall.
One stack is given,that is = 4 3/4 inches.
To Find:
Solution:
Let us assume that the other height of the book be x.
Then the equation will be:

- Solve for x to get the other book's height.
Convert the mixed fractions to fractions:

<em>Subtract 19/4 from both sides:</em>


<u>Hence, we can conclude that:</u>
The height of the other book is 2 3/4 inches.
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