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Alenkasestr [34]
4 years ago
11

Need help on question 8 asap

Mathematics
1 answer:
s344n2d4d5 [400]4 years ago
6 0
A) 8 chocolate chip cookies

B) The ratio of sugar to oatmeal is 2:3 because there are 12 sugar and 18 oatmeal. 12/18 simplified is 2/3.
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Please help! Correct answer only, please!
MAXImum [283]

Answer:

B)

Step-by-step explanation:

If two square matrix, with same dimensions, are inverse of one another, their product will always be the identity matrix with the same dimensions.

The matrix A and B are 2x2, so the result of the product A * B is a 2x2 identity matrix, that is represented as follows:

I = [1 0 ; 0 1]

(First line: 1 0, second line: 0 1)

So the correct option is B)

7 0
4 years ago
How do you write 9/10 as a decimal?
kykrilka [37]
Hey there! 

In order to turn a fraction into a decimal, simply divide the numerator by the denominator. The numerator is the top part of the fraction while the denominator is the bottom part of the fraction. 

So, 
\frac{9}{10} as a decimal would be 0.9. Simply divide 9 by 10 

Answer: 0.9

Thank you for being part of the Brainly community! 
8 0
3 years ago
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The second one write it on the paper and take a picture
Elodia [21]

Answer:

The common for the second question is 30

6 0
3 years ago
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WHAT IS THE TOTAL SURFACE AREA??
Advocard [28]

Answer:

210

Step-by-step explanation:

HZHZHHZHZHXHXHXDJF

5 0
3 years ago
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What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4?
skad [1K]
Use a portion of the circumference: pi x 2 x r x angle at centre =8xpix72/360 =8pi/5
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