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True [87]
2 years ago
11

Help me pleaseeee???

Mathematics
1 answer:
Vesna [10]2 years ago
7 0

Answer:

Equation of line : y - y1 = m(x - x1)

where x and y are are the point in form

(x , y)

where m is the slope.

Calculate slope using points:

m = \frac{y2 - y1}{x2 - x1}

m =  \frac{ 5 - 2}{ - 3 - 6}

m =   - \frac{1}{3}

Sub points into slope point formula:

y =    - \frac{1}{3} x + c

sub 1 point for x and y:

5 =  -  \frac{1}{3} ( - 3) + c

solve for c:

5 = 1 + c

c = 4

sub c back into equation :

y =   -  \frac{1}{3} x + 4

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Last month, when Joe took his puppy to the veterinarian, the puppy weighed 4.8 pounds. This month, the puppy weighed 6.72 pounds
Anvisha [2.4K]

Answer:40% weight increase

Step-by-step explanation:

3 0
3 years ago
A pack of 6 batteries of the same type costs £2.79. By caculating the price, per battery, determine if this is better value. You
Fittoniya [83]

Answer:

£0.465. It is a better value.

Step-by-step explanation:

If a pack of 6 batteries costs £2.79, price of a battery can be calculated as shown;

6batteries = £2.79

1 battery = x

x = cost of a battery

6x = £2.79

x = £2.79/6

x = £0.465

Price per battery will be £0.465. This price is a better value since the price is lesser than the cost of the 6batteries (£2.79) in a pack.

6 0
3 years ago
Jeremy lost his dog, and wants to make some signs to put up in the neighborhood. The cost to make 8 paper signs and 2 laminated
Mashcka [7]

Answer:

cost to make paper signs = $1

cost to make laminated signs = $2

Step-by-step explanation:

Let

x = cost to make paper signs

y = cost to make laminated signs

8x + 2y = 12 (1)

10x + 10y = 30 (2)

Multiply (1) by 5

40x + 10y = 60 (3)

10x + 10y = 30 (2)

Subtract (2) from (3) to solve for x

40x - 10x = 60 - 30

30x = 30

x = 30/30

x = $1

Substitute x = 1 into (1)

8x + 2y = 12

8(1) + 2y = 12

8 + 2y = 12

2y = 12 - 8

2y = 4

y = 4/2

y = $2

cost to make paper signs = $1

cost to make laminated signs = $2

5 0
3 years ago
I think it is c, am I right?
Sphinxa [80]

Answer:

Yes

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A number increased by 15 is 38 as an equation
Vlad1618 [11]

Answer:

15 + x = 38

KEY:

<u>Increased = addition</u>

is= equals to

a number = put any random letter, or my choice is just using "x" so its just means a varaible

HOPE THIS HELPED!!!!! :D

3 0
3 years ago
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