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Volgvan
3 years ago
5

1. Give an example of where you would use a credit card versus a debit card. List the pros and cons of each for this purchase yo

u are thinking of.
Mathematics
1 answer:
natka813 [3]3 years ago
4 0
Buying a new car. you should always use a debit card but if you used a credit card than the pros would be you would not have to worry about the cost. the cons, if it is over your budget you would go into debt. if you used a debit card than you could use Ur own money which means no debt. cons. if you don't have enough money you would need a loan or a cheaper or worse car
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Rectangle LMNO is similar to rectangle PQRS. What is the length of segment QP?
kherson [118]
29.75/8.5=x/4.5
using the "butterfly method"
8.5x=133.875
 /8.5  /8.5
x=15.75

You have to make a proportion
6 0
3 years ago
Ali used the expressed 8+25×2-45 to find how many CDs he has. how many CDs dose he have
MatroZZZ [7]

Ali has 13 CD's

Here's how I got my answer:

Step 1: Simplify 25 * 2 to 50. Which leaves us with 8 + 50 - 45

Step 2: Simplify 50 - 45 to 5. Which leaves us with 8 + 5.

Step 3: Simplify 8 + 5, to get your answer, 13.

7 0
3 years ago
Read 2 more answers
Find the vector projection of B onto A if A = 5i + 11j – 2k,B = 4i + 7k​
valkas [14]

Answer:

\frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\

Step-by-step explanation:

Given A = 5i + 11j – 2k and B = 4i + 7k​, the vector projection of B unto a is expressed as proj_ab = \dfrac{b.a}{||a||^2} * a

b.a = (5i + 11j – 2k)*( 4i + 0j + 7k)

note that i.i = j.j = k.k  =1

b.a = 5(4)+11(0)-2(7)

b.a = 20-14

b.a = 6

||a|| = √5²+11²+(-2)²

||a|| = √25+121+4

||a|| = √130

square both sides

||a||² = (√130)

||a||²  = 130

proj_ab = \dfrac{6}{130} * (5i+11j-2k)\\\\proj_ab = \frac{30}{130} i+\frac{11}{130} j-\frac{12}{130} k\\\\proj_ab = \frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\\\

<em>Hence the projection of b unto a is expressed as </em>\frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\<em></em>

7 0
3 years ago
Without graphing the equations, decide whether the system has one solution, no solution, or infinitely many solutions.
lbvjy [14]
It has one solution
4 0
2 years ago
Right answer i will give brainliest
Xelga [282]

Answer:

B and C

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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