3 years ago

Can someone help me? its simplify..

Mathematics

1 answer:

lozanna [386]3 years ago

8 0

Answer:

Step-by-step explanation:

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Find the determinant of this matrix:

Margarita [4]

Answer:

-1

Step-by-step explanation:

Formula to the determinant is:

$\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] = ad-bc$

0(0)–1(1)

0-1

-1

6 0

2 years ago

Read 2 more answers

Pls help 25h²- 16t² factorise it

noname [10]

Answer:

(5h-4t)(5h+4t)

Step-by-step explanation:

25h² - 16t²

adding and subtracting 20ht from it (√25 and √16 = 5x4 = 20):

25h² + 20ht - 20ht -16t²

factor:

(5h-4t)(5h+4t)

8 0

3 years ago

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Greq and Sam oredered a pizza for lunch. Greg ate 3/4 of the pizza, and Sam ate 1/8 of the pizza. How much of the whoe pizza was

MatroZZZ [7]

Convert 3/4 to a denominator of 8 by multiplying by two, getting you:

6/8 + 1/8

Add those and you get D) 7/8

3 0

3 years ago

What is 4(1-2b)+7b-10

shutvik [7]

Answer:

-6-b

Step-by-step explanation:

4(1-2b)+7b-10

Multiply what's in parantheses

4(1)=4

4(-2b)=-8b

4-8b+7b-10

Combine like terms

4-10 -8b+7b

-6-b

Hope this helps :)

6 0

3 years ago

Find the sum to n terms of the series 0.6+0.66+0.666+.....................

RSB [31]

We have
 $0.6+0.66+0.666+0.6666$

Let's take 6 out from the series
$6(0.1+0.11+0.111+0.1111+....$

Now multiply and divide by 9
 $\frac{6}{9}(0.9+0.99+0.999+0.9999+....$

$\frac{6}{9}(1-0.1+1-0.01+1-0.001+1-0.0001+....
\\
\\\frac{6}{9}(1-10^{-1}+1-10^{-2}+1-10^{-3}+...$

all 1s add up to n
 $\frac{6}{9}(n-\frac{1}{10}\times \frac{1-(\frac{1}{10})^{n+1}}{1-\frac{1}{10}})$

8 0

3 years ago

Can someone help me? its simplify.. ​

Can someone help me? its simplify..