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finlep [7]
3 years ago
9

I forgot the method to solve these, and help I really appreciated. Tysm ^^

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
5 0
First divide
140 by 560
a - {a}^{2}  =  { a}^{ - 1}
{b}^{2}  - b = b
\frac{1 {a}^{ - 1} }{4b}
\frac{1}{4ab}

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Answer correctly for 5 star and brainliest
nataly862011 [7]

Answer:

m=\frac{5}{2}

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

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (-2, -4)

Point (2, 6)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute [Slope Formula]:                    m=\frac{6+4}{2+2}
  2. Evaluate Addition:                                   m=\frac{10}{4}
  3. Simplify:                                                   m=\frac{5}{2}
7 0
3 years ago
Cheddar cheese costs $4.25 per pound. Write an equation best represents y, the total cost of x pounds of cheddar cheese and type
choli [55]

Answer:

y=4.25x

Step-by-step explanation:

x will represent the number of pounds of cheddar that you have. so whatever the value of X is, 4.25 would be multiplied by X. This problem does not provide a value for x, but say you had 4 pounds of cheese (x=4), the problem would become y=4.25(4) because you would plug 4 in where x is.

4.25(4)= 17 and therefore Y would equal 17.

8 0
3 years ago
Divide 8/12 to find an equivalent fraction
likoan [24]
If you divide 8 by 4, it comes to 2 
<span>If you divide 12 by 2, it comes to 3 </span>
<span>That fraction is 2/3 </span>

<span>The Fraction 10/15 is equal to 2/3 because... </span>

<span>If you divide 10 by 5. it comes to 2 </span>
<span>If you divide 15 by 5, it comes to 3 </span>
7 0
4 years ago
Read 2 more answers
A foundry has been commissioned to make souvenir coins. The coins are to be made from an alloy that is 40% silver. The foundry h
alexgriva [62]
The ratio of 50% content to 25% content is
.. (40-25) : (50-40) = 15:10 = 3:2
There is a total of 5 "ratio units" in this ratio, so each is representing 35 kg/5 = 7 kg of alloy.

21 kg of 50% alloy and 14 kg of 25% alloy should be used.
6 0
3 years ago
Travis recieved a box of chocolate. He wants to eat one row of chocolate a day.there are 4 chocolates in a row .how many chocola
Korolek [52]

Answer:

24

Step-by-step explanation:

if he eats 4 each day for 6 days, he will eat 24

4 × 6 = 24

3 0
3 years ago
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