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3 years ago

Find the surface area

Mathematics

2 answers:

svet-max [94.6K]3 years ago

7 0

Answer

Step-by-step explanation:

NARA [144]3 years ago

3 0

Answer:

96m

Step-by-step explanation:

Surface area of a pyramids formula is SA= B+1/2*l*P

B= area of base

l= slant height

P= perimeter of base

B= 6*6= 36

l= 5

P= 6+6+6+6 = 12+12 = 24

plug them into the formula

SA= (36)+1/2 * (5)*(24)

SA = (36)+1/2* 120 ------------- do 5 * 24

SA= (36) + 60 -----------do 120/2

SA = 96

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3 years ago

Maggie’s brother is 3 years younger than twice her age. The sum of their ages is 18. How old is Maggie?

kykrilka [37]

Answer: Maggie is 7 years old.

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Hope this helps!

6 0

3 years ago

The energy released by metabolism of 1 average candy bar is 1 x 10^6 joules.

Elis [28]

Answer: 32

Step-by-step explanation:

Given: The energy needed for 1 hour of running for an adult $=4.5\times10^6\ joules.$

Therefore. the energy needed for seven hours of running= $=7\times4.5\times10^6\ joules.=31.5\times10^6\ joules$

Since, he energy released by metabolism of 1 average candy bar $=1\times10^6\ joules.$

Therefore, the number of candy bars an adult need to eat to supply the energy needed for seven hours of running.= $\frac{31.5\times10^6}{1\times10^6}=31.5\approx32$

Hence, the adult need to eat 32 candies to supply the energy needed for seven hours of running.

3 0

3 years ago

Need Help, Trying To Finish .

hammer [34]

Answer:

8

Steps:

Plug in 2 for x in h(x)

h(2) = -(2)^2 + 6 * 2

h(2) = -4 + 12

h(2) = 8

3 0

4 years ago

Please answer correctly !!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!

nekit [7.7K]

Answer: There needs to have more info than that

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers