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snow_tiger [21]
3 years ago
15

Help me pleasee i need to pass this pleazz

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
5 0
For the first, the initial value is found by finding y when x=0
When x=0
y=4 so the initial value is 4, making your answer
B. 4


For the second one take any two points and do y2-y1/x2-x1
We'll use points 0,0 and 1,3
3-0= 3
1-0=1
So the equation is 3/1x and there's no y intercept
So your answer is
D. y=3x



The speed of the motor boat is 62mph
So your answer is
A.62 miles per hour



The fixed amount is the same as the y intercept, so when x is 0
Y is 8
So your answer is B.$8
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An 8-ounce bag of candy is on sale for $1.12. What is the cost of 1 ounce of this candy?
Darya [45]

Answer:

0.14

Step-by-step explanation:

8 0
3 years ago
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The length of a rectangle is 5959 inches greatergreater than twice the width. if the diagonal is 2 inches more than the​ length,
lorasvet [3.4K]

Length: 2w + 59

width: w

diagonal: (2w + 59) + 2  = 2w + 61

Length² + width² = diagonal²

(2w + 59)² + (w)² = (2w + 61)²

(4w² + 118w + 3481) + w²  = 4w² + 122w + 3721

5w² + 118w + 3481 = 4w² + 122w + 3721

w² + 118w + 3481 = 122w + 3721

w² - 4w + 3481 = 3721

w² - 4w - 240 = 0

a = 1, b = -4, c = -240

w = [-(b) +/- \sqrt{(b)^{2}  - 4(a)(c) }]/2(a)

 = [-(-4) +/- \sqrt{(-4)^{2}  - 4(1)(-240) }]/2(1)

   =  [4 +/- \sqrt{(16  + 960) }]/2        

  = [4 +/- \sqrt{(976) }]/2  

  = [2 +/- 4\sqrt{(61) }]/2  

  = 1 +/- 2\sqrt{(61) }

since width cannot be negative, disregard  1 - 2√61

w = 1 + 2√61  ≈ 16.62

Length: 2w + 59  =  2(1 + 2√61) + 59  = 2 + 4√61 + 59  =  61 + 4√61  ≈ 92.24

Answer: width = 16.62 in, length = 92.24 in

7 0
3 years ago
Help me soon due by 11 it 10:40!!!
Talja [164]

Answer:

1/4 <u>divided by</u> 1/3

1/3 <u>divided into</u> 1/4

<u>How many</u> 1/3 <u>are in</u> 1/4

Step-by-step explanation:

3 0
3 years ago
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Determine whether y varies directly with x. If so, find the constant of variation and write the equation.
kotykmax [81]

Answer: B. No

Step-by-step explanation:

Direct variation has the following form:

y=kx

Where the constant of variation is "k".

By definition, in direct variation, when the variable "x" changes, tha variable "y" changes in proportion to the variable "x".

As you can observe in the table, when the value of the variable "x" increase, the values of the variable "y" decrease, therefore we can conclude that it is not a direct variation.

Then the answer is the option B.

6 0
3 years ago
Solve the equation. 25-3x=40 what does x equal?
9966 [12]

Answer:

x=-5

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x=-5

6 0
2 years ago
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