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ratelena [41]
3 years ago
8

How would you solve this problem 999 + 587 = 1000 + what = what ? How would this problem be solved

Mathematics
2 answers:
rewona [7]3 years ago
7 0

Answer:

999+587 = 1000+586

both of them equals 1586

HOPE IT HELPS

bija089 [108]3 years ago
3 0

Answer:

2,586

Step-by-step explanation:

Add 1000+1000

2000

Since its 999 not 1000 subtract 1

1999

Now add 1 and subtract 1 from 587

Then add 2000 with 586

2,586

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Which value is equivalent to 30 + 9 divided by (6 - 3) A) 13 B)30 C(32 D)33
TEA [102]

Answer:

13

Step-by-step explanation:

30 plus 9 is 39

6 minus 3 is 3

39 divided by 3 is 13

4 0
2 years ago
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5. Write the equation of that is parallel to 2x + 5y - 3 in<br> slope intercept form
zepelin [54]

Answer:

Step-by-step explanation:

5y = -2x + 3

y = -2/5x + 3/5

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3 years ago
Rationalize the numerator or denominator, and simplify:
allochka39001 [22]
\dfrac{\sqrt[3]{x+h}-\sqrt[3]x}h\times\dfrac{\sqrt[3]{(x+h)^2}+\sqrt[3]{x(x+h)}+\sqrt[3]{x^2}}{\sqrt[3]{(x+h)^2}+\sqrt[3]{x(x+h)}+\sqrt[3]{x^2}}=\dfrac{(\sqrt[3]{x+h})^3-(\sqrt[3]x)^3}\cdots
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The hs then cancel, leaving you with the \cdots=\sqrt[3]{(x+h)^2}+\sqrt[3]{x(x+h)}+\sqrt[3]{x^2} term.

If it's not clear what I did above, consider the substitution a=\sqrt[3]{x+h} and b=\sqrt[3]x. Then

a^3-b^3=(a-b)(a^2+ab+b^2)
\implies\dfrac{a-b}h=\dfrac{a-b}h\times\dfrac{a^2+ab+b^2}{a^2+ab+b^2}=\dfrac{a^3-b^3}{h(a^2+ab+b^2)}
4 0
3 years ago
Suppose a chemist combines a 25% acid solution and a 50% acid solution to make 40 L of 45% acid solution. How many liters of eac
lesantik [10]

Answer:

The number of liters for :

Acid solution a = x = 8 liters

Acid solution b = y = 32 liters

Step-by-step explanation:

Let us represent:

The number of liters for :

Acid solution a = x

Acid solution b = y

Suppose a chemist combines a 25% acid solution and a 50% acid solution to make 40 L of 45% acid solution.

x + y = 40 ...... Equation 1

x = 40 - y

25% × x + 50% × y = 45% × 40

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We substitute, 40 - y for x in Equation 2

0.25(40 - y)+ 0.5y = 18

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- 0.25y + 0.5y = 18 - 10

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Solving for x

x = 40 - y

x = 40 - 32

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Hence:

The number of liters for :

Acid solution a = x = 8 liters

Acid solution b = y = 32 liters

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