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gladu [14]
3 years ago
5

Equations of Lines help!

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0
The answer is D. Note that the y-intercept is -3, not 3. So, when x is at 0, y should be -3. Choice D is the only graph with a y-intercept of -3.
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A freezer can be bought on hire purchase by making a desposiy of 15% of the cash price which is $2975 the interest which is 20%
Liono4ka [1.6K]

Answer: See explanation

Step-by-step explanation:

a. The deposit

= 15% × $2975

= 15/100 × $2975

= 0.15 × $2975

= $446.25

b. The hire purchase price

Outstanding balance = $2975 - $446.25 = $2528.75

20% of outstanding balance

= 20% × $2528.75

= 0.2 × $2528.75

= $505.75

Hire purchase price

= $2975 + $505.75

= $3480.75

c. The difference the hire purchase price and cash price

= $3480.75 - $2975

= $505.75

d. The difference as a percentage of the cash price.

= ($505.75 / $2975) × 100

= 0.17 × 100

= 17%

5 0
3 years ago
Fraction 5\6 x 3\10 what is the answer?
Katarina [22]
15/60 *Simplified Answer: 1/4
5 0
3 years ago
A patient is given a 50 mg dose of medicine the medicines affective Ness decreases every hour at a constant rate of 40% what is
kupik [55]
The following formula is used to find the answer.
                                       D = 50 mg (0.6^n)
D is the dosage 
n is at any hour 
Using this formula and solving the equation for it, the answer is 18.
4 0
3 years ago
Factor completely. 2x^2y + 2xy + 4x + 4 A. (2x + 4)(xy + 1) B. (2x + 4y)(x + 1) C. 2(xy + 2)(x + 1) D. (2xy + 4)(x + 1)
KonstantinChe [14]

Answer:

2(xy + 2)(x + 1)   (C)

Step-by-step explanation:

2x^2y + 2xy + 4x + 4

= 2xy(x + 1) + 4(x + 1)

= (2xy + 4)(x + 1)

=  2(xy + 2)(x + 1)

7 0
3 years ago
Jackie surveyed the first 20 students in the lunch line.
Yanka [14]

Answer:

Yes

Step-by-step explanation:

It is a random sample of students because they are just random people that Jackie is asking, its not only people in on grade, or only people on the basketball team.

5 0
3 years ago
Read 2 more answers
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