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3 years ago

I need help with surface area for a pyrimid please

Mathematics

4 answers:

IrinaVladis [17]3 years ago

6 0

Okay do find the area of a triangle and then add it to the area of the rectangles

exis [7]3 years ago

6 0

SA = Base Area • 2 + base perimeter • distance

SA = 1/2(12•8)+(12+10+10)•10
1/2(96)+(32•10)
48+320
SA= 368

Svetlanka [38]3 years ago

5 0

SA = Base Area • 2 + base perimeter • distance

SA = 1/2(12•8)+(12+10+10)•10
1/2(96)+(32•10)
48+320
SA= 368

kifflom [539]3 years ago

5 0

SA = Base Area • 2 + base perimeter • distance

SA = 1/2(12•8)+(12+10+10)•10
1/2(96)+(32•10)
48+320
SA= 368

You might be interested in

8. Solve x/10 = –7. A. x = –0.7 B. x= –17 C. x = –70 D. x = 3

ANEK [815]

For this problem, I believe you would just have to plug in for x.

For example, -17 divided by 10 and so on.

The answer should be C, -70. -70 divided by 10 equals -7.

4 0

3 years ago

i need help with simplifying fractions only the top ones i will do the making of a decimal or ill ask the question later

Vladimir79 [104]

Answer:

see explanation

Step-by-step explanation:

(a)

$\frac{32}{40}$ ← divide numerator and denominator by 4

= $\frac{8}{10}$ = 0.8

(b)

$\frac{35}{50}$ → divide numerator and denominator by 5

= $\frac{7}{10}$ = 0.7

(c)

$\frac{60}{40}$ ← divide numerator and denominator by 4

= $\frac{15}{10}$ = 1.5

8 0

3 years ago

What is 380 when it is increased by 18%

Yuri [45]

18%=0.18
380×0.18=68.4 increase
380+68.4=448.4

the easier way is to think 1 times any number is the same number so 380(1+0.18)=448.4 (just like adding tax to the price of something to see how much you'll actually pay)

6 0

3 years ago

EXTRA POINTS! volume of spheres.

BartSMP [9]

Answer:

V≈33.51

although I don't have an explanation, sorry, if you look up "how to find the volume of a sphere" on google, it will give you the answer

3 0

3 years ago

A pizza shop sells three sizes of pizza, and they track how often each size gets ordered along with how much they profit from ea

777dan777 [17]

Answer:

The mean and standard deviation of Y is $6.56 and $2.77 respectively.

Step-by-step explanation:

Consider the provided information.

Let Y represent their profit on a randomly selected pizza with this promotion.

The company is going to run a promotion where customers get $2 off any size pizza.

Therefore, $Y=\text{Profit}-\$2$

$Y=X-\$2$

So the mean will be reduced by 2.

$\mu_Y=\mu_X-\$2$

$\mu_Y =\$ 8.56 - \$2$

$\mu_Y =\$6.56$

If we add or subtract any constant number from a given distribution, then the mean is changed by the same number(i.e constant number) but the standard deviation will remain the same.

Therefore $\sigma_Y=\sigma_X=2.77$

Hence, the mean and standard deviation of Y is $6.56 and $2.77 respectively.

3 0

3 years ago