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Hatshy [7]
3 years ago
11

Find the total surface area of the right square pyramid with

Mathematics
1 answer:
valina [46]3 years ago
4 0

Answer:

A= {a}^{2} +2a \sqrt{ \frac{ {a}^{2} }{4} +  {h}^{2}  }  \\ = {1}^{2} +2·1· \sqrt{ \frac{ {1}^{2} }{4}+  {2}^{2} }  \\ ≈5.12311

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If Anna have 8000 and gave jim 300 and bought some items a shoes for 290 a suit for 400 and a phone for 2000
vovangra [49]

Answer: Assuming the unit is dollars, the answer would be $5,010.

Explanation:

Step 1: 8000-300 is 7700.

Step 2: 7700-290 is 7410

Step 3: 7410-400 is 7010

Step 4: 7010-2000 is 5010

So, the answer is Anna has $5,010 dollars left after giving Jim $300, buying shoes for $290, a suit for $400 and spending $2,000 dollars on a new phone.

6 0
4 years ago
Solve the equation for the unknown quantity: 15.75=5(1+i)^2
tigry1 [53]
15.75=5(1+i)^2
3.15=1+i^2
2.15=i^2
i= √2.15 or approximately 1.47
7 0
3 years ago
How many 3-letter combinations can be made from this set if no letter can be repeated?
Wittaler [7]

Answer:

B 120 different combinations

Step-by-step explanation:

There are 6 letters to choose from

Picking a letter for the first spot  6

Then there are 5 letters left

Picking a letter for the second spot  5

Then there are 4 letters left

Picking a letter for the second spot  4

6*5*4

= 120

7 0
4 years ago
The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point (–11, –11). Fin
koban [17]

Answer:

The original coordinate of

R is (-5, -5)

The new coordinate of

R is (-11, -11)

The translation rule is ( x - 6, y - 6)

The original coordinate of

U is (-5, 1)

The new coordinate of

U is (-5 - 6, 1 - 6)

which is

(-11, -5)

U' = (-11, -5)

7 0
3 years ago
PLZ ANSWER ILL MAKE YOU BRAINLIEST NO FAKE LINKS
Alex787 [66]

Answer:

the answer is D

Step-by-step explanation:

7 0
3 years ago
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