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kkurt [141]
3 years ago
12

Ella (E) is 4 years older than her friend Ava (A) who is 3 years younger than her sister

Mathematics
1 answer:
Rudiy273 years ago
6 0
The answer is D E=A+4 and A=S-3
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What is the surface area of the square pyramid? 6 square meters 16 square meters 28 square meters 49 square meters.
kvasek [131]

Answer:

16 square meters

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  Please have a look at the attached photo.  

My answer:

As we know the surface area of a square pyramid is:

SA =  a^{2}+ (2 × a × s), where a is the base length and s is the slant height.

Given information in the photo,

The base area of the square pyramid:  a^{2} = 2^{2}  = 4 square meters

The slant height is 3 meter, so the area of the 4 sides: (2 × a × s) = 2*2*3 = 12

=> the surface area of the square pyramid is: The base area + the area of the 4 sides

= 4 + 12

= 16 square meters

3 0
3 years ago
Read 2 more answers
If the answer is correct you get brainly
yarga [219]

Answer:

the answer is 2,800.

Step-by-step explanation:

5x5x2x7x8=2,800.

7 0
3 years ago
Is the z score corresponding to a number or score below the mean always negative?
rusak2 [61]

Answer:

Yes

Step-by-step explanation:

The z-score corresponding to a number or score can be calculated using:

z =  \frac{x -  \mu}{ \sigma}

Where x stands for the individual scores, and

\mu

stands for the mean.

Since

x \:  \:  <  \:  \mu

for all numbers or scores below the mean, the difference will always be negative these values below the mean.

This will always result in a negative z-score for all numbers below the mean.

7 0
3 years ago
What is 19.2 x 10^8 minutes in hours
Ksju [112]
<span>19.2 x 10^8 minutes in hours is

32 000 000 hours
</span>
8 0
3 years ago
Help me plz due today​
kirill115 [55]

Answer:

The coefficients are 4 and 2

Step-by-step explanation:

they are the ones in front of the variables

for example, the coefficient of 12x is 12

anyways, stan tokoroki for clear skin

6 0
3 years ago
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