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Sindrei [870]
3 years ago
7

OMG IM SO BAD AT THIS HELP KE PLEASE IM BEGGGINNGGGG

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0
D
D
My


Fmfkdd dndmdkdx
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How do I find the sum of 3x8
kakasveta [241]
You add eight three times (8+8+8=24)
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3 years ago
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Suppose two fractions are both less than 1. Can their sum be greater than 1? Greater than 2?
Juliette [100K]
Their sum can be greater than two. There is nothing that states that they couldn't be. All it states it that the two factions sums are less than 1. I hoped this helps 
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3 years ago
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Simplify the following surds √32​
3241004551 [841]

Answer:

5.65685424949

Step-by-step explanation:

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3 years ago
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A shoe store has a pair of shoes that originally cost eighty dollars. Match the expression to find each markup or discount by dr
irina1246 [14]

Step-by-step explanation:

always remember some basic principles when dealing with percentages :

100% is the whole

1% = 100%/100

n% = n×1% = n×100%/100

therefore, n% of an amount m is n/100 × m.

like 25% = 25/100 × m = 0.25 × m

so, now it should be very easy :

the 25% discount of $80 is

0.25×80

the amount deducted by (= after) the discount is

80 - 0.25×80

which is actually 0.75×80

a markup is added into the total cost incurred by the producer of a good or service in order to cover the costs of doing business and create a profit. so, a markup of 40% is simply again

0.40×80

and the sale price including (= after) the markup is then

80 + 0.40×80

3 0
2 years ago
Make a Matlab script to make row 2 of matrix A equal to first row of A multiplied by the negative of the first element of row 2
stira [4]

Answer:

X=\begin{Bmatrix}2& 1 &10 \\-3 & 5 & 4\end{Bmatrix}

Step-by-step explanation:

From the question we are told that

Matrix is given as A=\begin{Bmatrix}2 & -1 & 10\\-3 & 8 & 4\end{Bmatrix}

Generally let the change in matrix be given as X

X_1_2 = 2*(-(-1)) + - 1 = 1X_2_2 = -3 * (-(-1))+ 8 = 5

Matlab output

A=[2 -1 10;-3 8 4]\\a=(A(1,1)*-A(1,2))+A(1,2)\\b=(A(2,1)*-A(1,2))+A(2,2)\\X=[A(1,1) a A(1,3); A(2,1) b A(2,3)]\\

Generally the matrix that makes row 2 of matrix A equal to first row of A multiplied by the negative of the first element of row 2 plus the original row is

X=\begin{Bmatrix}2& 1 &10 \\-3 & 5 & 4\end{Bmatrix}

6 0
3 years ago
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