3 years ago

Whats 4 - 2? i forgot

Mathematics

2 answers:

love history [14]3 years ago

7 0

Answer:

2 so easy lolololollolol

Mashcka [7]3 years ago

4 0

Answer:

Is an easy one from kindergarten

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A rectangle with dimensions of 3 units by 5 units is enlarged by a scale factor of 1.4 By what percent does its area increase?

vodomira [7]

$A_1=3*5=15\\
3.5*1.4=4.9\\
5*1.4=7\\
A_2=4.9*7=34.3\\
\frac{34.3}{15}*100\%=228.(6)\%\\
228.(6)\%-100\%=128.(6)\%$

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3 years ago

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A 3-column table with 4 rows. Column 1 is labeled Inequality with entries 6 greater-than 4, negative 11 less-than negative 3, 7

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Answer:

1. A

2. B

3. A

4. B

5. A

Step-by-step explanation:

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What is 100,897,567×25

Afina-wow [57]

It equals to <span>2,522,439,175.</span>

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4 years ago

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Use a timeline how much time elapses from 9:45 a.m. to 11:10 a.m.

Neporo4naja [7]

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1 hour 25 minutes

(or)

85 minutes

Step-by-step explanation:

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Set up the characteristic equation, which is given by r2 − 5r − 6 = 0. The roots of this equation are given by r1 = 6 and r2 = −

s344n2d4d5 [400]

Answer:

Step-by-step explanation:

From your characteristic equation, your recursive equation is

$f(n+2) = 5 f(n=1) +6f(n)$

the general solution:

$f(n) = A6^n + B(-1)^n$

The initial conditions are

$f(0) =1 ~~~and~~~ f(1) = 3$

For f(0) = 1, that is

$f(0) = A6^0 + B(-1)^0 = A+ B=1 (*)$

For f(1) = 3, that is

$f(1) = A6^1 + B(-1)^1 = 3$

$6A- B = 3 (**)$

From (*) and (**) you solve for A and B

you have A = 4/7 and B= 3/7

Replace A, B into the general one, you have the particular solution for the given condition

$f(n) = 4/7 *6^n +3/7*(-1)^n$

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