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Taya2010 [7]
3 years ago
9

Wuestion

Mathematics
1 answer:
Leviafan [203]3 years ago
5 0
6% + 15% = 21% altogether
1.05 = 0.21x
x = 5
The total bill is $5
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The following linear equation represents the line of best fit for the following scatter plot
Lynna [10]

Answer:

C) About 243 hits

General Formulas and Concepts:

<u>Pre-Algebra </u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define </u>

y = home runs

x = hits

[Best Line of Fit] y = 0.15x - 1.5

<em>We can use this to predict the average of the scatter plot. </em>

home runs = y = 35

<u>Step 2: Solve for </u><em><u>x</u></em><u> hits</u>

  1. Substitute [BLF]:                    35 = 0.15x - 1.5
  2. Add 1.5 on both sides:          36.5 = 0.15x
  3. Divide 0.15 on both sides:    243.333 = x
  4. Rewrite:                                  x = 243.333

Remember that this is a <em>prediction</em>. According to the best line of fit, we would need approximately ~243 to get 35 home runs.

6 0
2 years ago
Suppose j varies jointly with g and v, and j=1 when g=6 and v=3.
Alex_Xolod [135]
"Joint variation<span>" means "directly, but with two or more variables". Thus, we write as follows:

j </span>α gv
<span>
We insert proportionality constant k, to change it to equality.

j = kgv

We solve k,

1 = k (4)(3)
k =1/12

j = gv/12
j = 8(11)/12
j = 22/3</span>
6 0
3 years ago
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Work out the length of BC.
Akimi4 [234]
The length of BC is 53 units long
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3 years ago
How do you factor 45x^2+295x-140
Vaselesa [24]
I could explain it, but you have to ask me, other than that the answer is 5(x+7)(9x-4).
8 0
3 years ago
What is the solution to this system of equations? X + 2y − z = 3 2x − y + 2z = 6 x − 3y + 3z = 4
Tomtit [17]

Answer:

7

Step-by-step explanation:


5 0
3 years ago
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