What are the dimensions of the matrix?[9 -4 19 41 0]
[11 6 -2 25 13]
1.) 1x10
2.) 2x5
3.) 10x1
4.) 5x2

Answers

Answer 1
Answer: the dimension of a matrix is the no of rows by the no of columns.

Here there are two rows and  five column. So the dimensions of the matrix is 2 x 5

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$800 deposited at 9% for 9 months, what is the simple interest and total amount?

Answers

9% of 800 is 72 and nine month would be $648. The total amount would be 1448.
ok so the formula to find simple interest over the amount of years is A=P(1+r times t ) so lets plug it in 800(1+(.0009 times 9))is equal to $806.48 cents per year for 9 years hoped this helped!!

baseball card come in packs of a dozen 12 cards matt has 132 baseballcards.how many packs of baseball cards did he buy i need help in proportion

Answers

Well let's see first we have to divide
132 divided by 12 is 11
Now to check and prove your answer we should use the multiplication.
11 times 12 is 132.
So now you have a solid answer with proof behind it.
If u need a sentence you might want it to go something like this;
Matt brought 11 packs of baseball cards since 132 divided by 12 is 11. 12 times 11 is 132 cards.
Hope I helped!

Answer:

11

Step-by-step explanation:

you will need to divide 132 by 12. and you will get 11. Bam that simple hope you have a great day! :)

Camille uses a 20% off coupon when buying a sweater that costs $47.99. If she also pays 6% sales tax on the purchase, how much does she pay?

Answers

47.99-20%×47.99= $38.392 = a (price after being discounted)

Final price = a+ 6%×a = $40.69552

Which of the following is not the same as 13.6 milliliters? 0.136 dL 0.0136L 0.0136 dkL

Answers

Unitconversion is the conversion of one unit to another unit with its standardconversion.

1 ml = 0.001 L

1 ml = 0.01 dL

1 dkL = 10,000 ml

13.6 ml = 0.0136 L

13.6 ml = 0.136 dL

13.6 ml = 0.00136 dkL

Options A and B are the correct answer.

What is unit conversion?

It is the conversion of one unit to another unit with its standardconversion.

Example:

1 minute = 60 seconds

1 km = 1000 m

We have,

13.6 milliliters.

1 ml = 0.001 L

1 ml = 0.01 dL

1 dkL = 10,000 ml

Now,

1 ml = 0.001 L

13.6 ml = 13.6 x 0.001 L

13.6 ml = 0.0136 L

1 ml = 0.01 dL

13.6 ml = 13.6 x 0.01 dL

13.6 ml = 0.136 dL

10,000 ml = 1 dkL

1 ml = 0.0001 dkL

13.6 ml = 13.6 x 0.0001 dkL

13.6 ml = 0.00136 dkL

Thus,

13.6 ml = 0.0136 L

13.6 ml = 0.136 dL

13.6 ml = 0.00136 dkL

Options A and B are the correct answer.

Learn more about unitconversion here:

brainly.com/question/13899873

#SPJ2

The correct answer is 0.0136 dkl. hope it helps uwu

Having trouble with trigonometry , please help.

CSCx (1 + SINx) = 1 + CSCx

prove the identity

Answers

Remember that the cosecant is the reciprocal of the sine.  CSC(x) = 1/SIN(x).

Now operate on the left side, and see if you can make it look like the right side:

CSCx (1 + SINx)

Substitute for CSCx :

(1/SINx) (1 + SINx)

Multiply them:

1/SINx + SINx/SINx 
which is the same as  1/SINx + 1
which is the same as CSCx + 1,
and that's the right side of the identity, so you proved it.

Chocos is a dish made from wheat, sugar, and cocoa. Bertha is making a large pot of chocos for a party. Wheat(w) cost $5 per pound, sugar(s) costs $3 per pound, and cocoa(c) costs $4 per pound. She spends $48 on 12 pounds of food. She buys twice as much cocoa as sugar.

Answers

The question is incomplete, complete question is;

Chocos is a dish made from wheat, suguar, and cocoa. Bertha is making a large pot of chocos for a party. Wheat (w) costs $5 per pound, sugar (s) costs $3 per pound, and cocoa (c) costs $4 per pound. She spends $48 on 12 pounds of food. She buys twice as much cocoa as sugar. How much wheat, sugar, and cocoa will she use (in pounds) in her dish?

Answer:

She uses 3 pounds of wheat, 3 pounds of sugar and 6 pounds of cocoa in her dish.

Step-by-step explanation:

Given,

Total amount of spent money = $ 48

Total quantity of ingredients = 12 pounds

Let the quantity of wheat, sugar and cocoa she buys be x, y z pounds respectively.

\therefore x+y+z=12\ equation 1\nand\ 5x+3y+4z=48\ equation2

And according to question, quantity of cocoa is 2 times of sugar.

\therefore z=2y

Now substituting the value of z in equation 1and 2, we get;

x+y+2y=12\nx+3y=12\ equation3

5x+3y+4*2y=48\n5x+3y+8y=48\n5x+11y=48\ equation\ 4

Now multiply equation 3 by 5 and then subtract equation 4 from it.

5(x+3y)=5*12\n(5x+15y=60)-(5x+11y=48)\n4y=12\ny=(12)/(4)=3

\therefore z=2y=2*3=6

And substituting the value of y in equation 3, we get;

x+3y=12\nx+3*3=12\nx+9=12\nx=12-9=3

Thus the amount she uses is 3 pounds of wheat, 3 pounds of sugar and 6 pounds of cocoa in her dish.