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Otrada [13]
3 years ago
13

What’s negative 9 and 2 sevenths subtracted by negative 10 and three sevenths

Mathematics
2 answers:
Nutka1998 [239]3 years ago
8 0

Answer:

8 over 7

Step-by-step explanation:

Convert the mixed numbers to improper fractions, then find the LCD and combine.

Glad I could help!!

nikklg [1K]3 years ago
3 0

Answer:

1 1/7

Step-by-step explanation:

-9 2/7- -10 3/7

Use KEEP CHANGE CHANGE

KEEP-FIRST NUMBER

CHANGE THE SIGN

CHANGE SYMBOL

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Which are points on the graph of y = 1.5 + ⌈x⌉? Select three options
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A

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Step-by-step explanation:

6 0
3 years ago
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If AB=BA= I then write the relation between matrix A and matrix B​
butalik [34]

Answer:

If  AB = BA = I, then B is inverse of A and vice-versa.

Step-by-step explanation:

Given: AB = BA = I

To find: The relation between matrix A and B.

If AB = BA = I, then B is called the inverse matrix of A and is denoted by A^{-1}.

In that case, A is said to be invertible.

Also, if B is the inverse of A, then A is also the inverse of B.

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6 0
3 years ago
You go to the store and pick out 3 apples for $0.60 each, 2 bananas for $0.50 each, and 1 quart of yogurt for $4.50. At checkout
Thepotemich [5.8K]

Answer:

I'm not 100% sure but I think it's $6.20

Step-by-step explanation:

First you add up the apples which equals $1.80 then you add up the bananas which equals $1.00 then you add the yogurt together which amounts to $4.50. After that you add all of that together which totals to $7.30.

For the sake of finding the percentage we're gonna move the decimal point to the very end. ( so its 730.0). Now in order to find 15% we have to find 10%. To find 10%, you move the decimal point over one (73.00). So 10% of 730 is 73. 10% + 5% = 15%. And half of 10% is 5%. So, we cut 73 in half so now we have 36.5. Now we add 36.5 to 73 (because 10% + 5%=15%) I'm just gonna round 36.5 to 37, and 73+37= 110. Now we move the decimal point back so its $1.10. Now we subtract $1.10 from $7.30 which is equal to $6.20. So your answer is $6.20.

(I'm rlly bad at explaining things so sorry if this wasnt clear enough. Also I'm not the best at math but I guess I know percentages.)

8 0
3 years ago
How many two digit numbers do not contain the digit 9?
cricket20 [7]
87 numbers do not contain the digit 9
5 0
2 years ago
What expression would give the number of ways to choose a group of 7 from a group of 15?
ipn [44]
C(15, 7)
(15 * 14 * 13 * 12 * 11 * 10 * 9)/(7 * 6 * 5 * 4 * 3 * 2 * 1) = 6435 groups
3 0
3 years ago
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