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QveST [7]
3 years ago
9

Evaluate the following expression when x=-4 and y=4 x6-x/4y

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0

Answer:

Step-by-step explanation:

To evaluate x^6-x/4y when x=-4 and y =4

We get

-4^6-(-4)/4(4)

=4096+4/16

=4100/16

=256.25

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Please help on these questions​
Arada [10]

Answer:

6) 9216π

8) 24

Step-by-step explanation:

6)

V= 2/3πr³

   r = 48/2 = 24

V = 2/3π24³

V = 9216π

8)

V = 4/3πr³

2304π = 4/3πr³

r³= (2304π)/4/3π

r³= 1728

\sqrt[3]{r^3} =\sqrt[3]{1728}

r = 12

D = 2r

D = 2 x 12 = 24

8 0
3 years ago
Suze wants to make 5 pies for a party. She needs 1 1/2 cup of confectioners sugar for each pie. She has two bags of confectioner
Lunna [17]

Answer:

1  7/8 cups leftover

Step-by-step explanation:

The total amt. of sugar Suze needs is 5(1  1/2 cups) = 15/2 cups, or 7.5 cups.

Combining the 3  1/4 and 6  1/8 cups of sugar remaining in the bag results in 3 2/8 + 6 1/8 cups, or 9 3/8 cups total.  She needs only 7.5 cups of this sugar.

Thus, she has leftover the following amount:  9 3/8 - 7 4/8 cups, which

simplifies to  1  7/8 cups

5 0
3 years ago
Read 2 more answers
Please help with this question asap ​
Elden [556K]

Answer:

the ratios which are in simplest form

B. 27 : 28

C. 9 :7

D. 19 : 12

E. 10 : 7

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Simplify: Square root of 8xy squared
SashulF [63]

Answer:

8xy

Step-by-step explanation:

\sqrt{(8xy)^{2}}=\sqrt{(8)^{2}x^{2}y^{2}} =8xy

6 0
4 years ago
Subract 5 3/4 - 2 7/8
vovangra [49]

Answer:

2.875

Step-by-step explanation:

you have to change them into decimals. so 5 3/4 would be 5.75 and 2 7/8 would be 2.875. once you do that you can subtract

5 0
3 years ago
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