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galina1969 [7]
3 years ago
14

The scatter plot below shows the relationship between latitude of cities and their average January temperature. Which is the bes

t estimate of the rate of change for the line of best fit?​

Mathematics
2 answers:
natka813 [3]3 years ago
5 0

Answer:

-2.5

Step-by-step explanation:

it is what it is

aleksandrvk [35]3 years ago
4 0

Answer:

-2.5

Step-by-step explanation:

the person said it so its obv

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Kellen bought new fish for her home aquarium. She bought 4 turquoise guppies and 3 sunburst tetra GLO fish and spent a total of
FromTheMoon [43]

Answer: A single turquoise guppy costs $3.69

Step-by-step explanation:

Let us use "x" to represent the amount a single turquoise is sold and use "y" to represent that of the Glo fish.

Since Kellen bought 4 guppies and 3 glo fishes for $41.73:

4x + 3y = 41.73 --------eqn 1

Similarly, Danielle purchased 3 guppies and 5 Glo fish for $56.02:

Therefore 3x + 5y = $56.02 -----eqn2

The 2 equations are;

4x + 3y = 41.73 (eqn 1)

3x + 5y = 56.02 (eqn 2)

We then solve the simultaneous equations using substitution method:

From eqn 1,

4x + 3y = 41.73

4x = 41.73 - 3y

x = (41.73 - 3y)/4

Substitute x for (41.73 - 3y)/4 in eqn2.

3[(41.73 - 3y)/4 + 5y = 56.02

11y + 125.19 = 224.08

11y =98.89

y = 98.89/11

y = $8.99

So, 1 Glo fish costs $8.99

Then, substitute "y" for 8.99 in equation 1

4x + (3×8.99) = 41.73

4x + 26.97 = 41.73

4x = 41.73 - 26.97

4x = 14.76

x = 14.76/4

x = $3.69

Therefore 1 turquoise guppy costs $3.69

5 0
3 years ago
X+10=2 what is the value of x
allsm [11]
The answer to your question is X = -8

8 0
3 years ago
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Complete the table.<br> Feet<br> Inches<br> 1<br> 10<br> 60<br> 42
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zach deposits $15,000 into his savings account. his savings account has an annual interest rate of 1.4%. how much money in inter
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Do $15,000x.014x2
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$15,000x.014=$210
$210x2=$420
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3 years ago
A suit costs $95. Barry has a discount coupon for 10% off and the city has a 4.5% sales tax. What is the final cost of the suit?
seropon [69]
So first you need to do the discount

(95)(0.9) = 85.5

then add the 4.5% sales tax:

(85.5)(1.045) = $89.35
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