Answer:
Addition should be performed last, because of PEMDAS.
Step-by-step explanation:
in pemdas multiply/divide comes before add/subtract so therefore you would multiply 7 x 4 first, even though addition comes before it in the problem.
Answer:
1/10 deg every 15 minutes x 4 = 4/10th degree in an hour (there are 4 15 minute segments in an hour)
= 2/5 degree/hr
The number which represent tens digit of a number is twice the ones digit is;
- x represents the <u>ones</u> digit
- 2x represents the <u>tens</u> digit
<h3>Word problem</h3>
Complete question:
The tens digit of a number is twice the ones digit. The sum of the digits in the number is
12. What is the number?
- x represents <u>ones</u> digit
- 2x represents <u>tens</u> digit
Learn more about place value:
brainly.com/question/2041524
#SPJ1
How to find "a"???
Pick a point on the graph other than the vertex. Let's say you see the line pass through (1,5) and the vertex is at (3,4)...
First the vertex gives you this...
y = a (x - 3)2 + 4
Put the values (1,5) into this equation.
5 = a (1 - 3)2 + 4
Solve for a
5 = a*(-2)2 + 4
5 = 4a + 4
1 = 4a
1/4 = a
Final equation is
y = 1/4*(x - 3)2 + 4