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Alik [6]
3 years ago
6

!!HELP ASAP!! What is the surface area of the rectangular pyramid below?

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0

Answer:

D. 507 square units

Step-by-step explanation:

surface area of the rectangular pyramid

= area \: of \: base  + 4 \times area \: of \: one \:  \triangle \\  \\  =  {13}^{2}  +  4 \times \frac{1}{2}  \times 13 \times 13 \\  \\  = 169 + 2 \times 169 \\  \\  = 169 + 338 \\  \\  = 507 \:  {units}^{2}  \\

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Ben was paid less than $240 for working 4 days. He was paid $90
irina1246 [14]

Answer:

$50 each day

Step-by-step explanation:

240 - 90 = 150

150 / 3 = 50

3 0
2 years ago
I am doing math and in it i have to find the answer to 3^12 ans 7^9 and when i ut it in the calculator it said 2.1445561e+13 and
grin007 [14]

Answer:

40,885,048

Step-by-step explanation:

first find 3^12 and then find 7^9.

3^12 = 531,441

7^9 = 40,353,607

Add these together and you'll get 40,885,048.

Welcome! Hope this helps.

7 0
3 years ago
Read 2 more answers
The ratio of adult cat to kitten at a pet care center on Thursday was 4:3. There were 12 kittens there that day. Tuesday , 17 ad
emmainna [20.7K]

Answer:

1 adult cat

Step-by-step explanation:

<u>Thursday:</u>

The ratio of adult cat to kitten at a pet care center on Thursday was 4:3.

Number of adult cats = 4x

Number of kitten cats = 3x

There were 12 kittens, then

3x=12\\ \\x=\dfrac{12}{3}\\ \\x=4\\ \\4x=4\cdot 4=16

There were 16 adult cats

<u>Tuesday:</u>

17 adult cats were at the pet care center.

<u>Difference:</u>

17-16=1 adult cat

5 0
3 years ago
Find the probability that a randomly selected point within the circle falls in the white area
MrMuchimi

Answer:

Step-by-step explanation:

The white area is the area of the circle minus the area of the triangle.

Aw=pr^2-hb/2

Aw=p4^2-6.5(6)/2

Aw=16p-19.5

The probability of selecting the white area is the white area divided by the area of the circle

P(W)=(16p-19.5)/(16p), p=3.14

P(W)=0.61

4 0
3 years ago
$970 at 4 1/4% simple interest for 2 years
iogann1982 [59]
For simple interest 
i=prn
where i= interest p=amount invested, r=rate n=time period
i= 970*4 and 1/4 * 2
i= $8245<span />
3 0
3 years ago
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