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Nutka1998 [239]
3 years ago
8

Which is the value of this expression when a = 5 and k = negative 2?

Mathematics
2 answers:
solmaris [256]3 years ago
7 0

Answer:

bawo

wapd ko kahibaw Unsay answer

mina [271]3 years ago
6 0

Answer:

25/9

Step-by-step explanation:

I took the test (:

plz mark me brainliest <3

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A basket of fruit contains four oranges five apples and six bananas. If you choose a piece of fruit at random from the basket, w
Leni [432]

Answer:

6/15

Theres 6 bananas & 15 fruits total

8 0
3 years ago
At Store A, a 60-ounce bag of shelled walnuts costs $11.99. At Store B, a 4-pound bag of shelled walnuts costs $11.99. Shelled w
kirill [66]

Answer:

Better deal at Store B.

Step-by-step explanation:

The key to understanding this problem lies in recognizing that 16 ox = 1 lb, which leads to 64 oz = 4 lb.

Find and compare the two unit costs:

Store A:  

$11.99

---------- = $0.20/oz

60 oz


Store B:

$11.99

------------ = $0.19/oz

64 oz


The 4-lb bag available at Store B has the lower unit cost and is a better deal there.

7 0
4 years ago
ANSWER ASAP 100 POINTS RIGHT ANSWER GETS BRAINLIST
ANEK [815]
I am pretty sure The answer is 5
4 0
3 years ago
Read 2 more answers
The edges of the bases of the frustum of a regular square pyramid have length 5 and 9, and the slant height of the frustum is 6.
Karo-lina-s [1.5K]

Answer:

Volume of the frustum = 225.0952

Surface area = 274

Step-by-step explanation:

The volume can be calculated as the difference of the complete pyramid and the tip of the pyramid.

To find the height of the frustum, we can use pythagoras theorem in the following triangle:

first side: 9 - 5 = 4

second side h (height)

hypotenusa: slang = 6

6^2 = h^2 + 4^2

h^2 = 36 - 16 = 20

h = 4.4721

To find the height of the complete pyramid (H), we can use the following rule of three:

H / 9 = (H - 4.4721) / 5

5H = 9H - 40.2489

4H = 40.2489

H = 10.0622

Volume of complete pyramid:

V_complete = (1/3)*9^2*10.0622 = 271.6794

Volume of the tip:

V_tip = (1/3)*5^2*(10.0622 - 4.4721) = 46.5842

Volume of the frustum:

V_frustum = V_complete - V_tip = 225.0952

The surface area is the bigger base area + smaller base area + four side areas.

Bigger base area = 9^2 = 81

Smaller base area = 5^2 = 25

Side area = (9+5)*6/2 = 42

Total surface area: 81 + 25 + 4*42 = 274

4 0
3 years ago
HELP!!
Musya8 [376]

Step-by-step explanation:

hope the work helps for your answer :)

3 0
3 years ago
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