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sergiy2304 [10]
2 years ago
15

I need help with 2&3

Mathematics
1 answer:
devlian [24]2 years ago
5 0

Answer:

2. A 4√3

3. B -5/3

Step-by-step explanation:

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Savannah is 9 years older thanDevante. The sum of their ages is 53. How old are Savannah and Devante?
pickupchik [31]

Answer:

Devante is 23 and Savannah is 32.

Step-by-step explanation:

We can set up a system of equations.

s - savannah's age

d - devante's age

s = d + 9

s + d = 53

Now we can substitute (d + 9) for s in the second equation.

(d + 9) + d = 53

2d + 9 = 53

2d = 46

<u>d = 23</u>

To find Savannah's age, we just add 9 to Devante's age. (plugging in 23 for d)

23 + 9 = 32

<u>s = 32</u>

6 0
3 years ago
Brainlyst for the best answer thank you!
densk [106]
Answer: B

We all know that area= LxW
The width that is being shown is 8ft. The length is 20ft. Therefore, you multiply 8 x 20 which gives you 160ft squared. Hope this this helps :)
6 0
3 years ago
Michelle bought a gift priced at $5.00.she gave the store clerk $20.00.she received three bills as change.what bills did she rec
goblinko [34]
The answer would be $5 bills

5*4 = 20 and he spent 5 you would only have 3 $5 bills.
5 0
3 years ago
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Here are two similar cones. The area of ​​the base of the small cone is equal to 36 t cm2. The radius and apothem of the large c
natta225 [31]
V=1/3(pi)(r)^2(h)
V=1/3(pi)(9)^2(15)
V=1/3(3.14)(81)(15)
Then multiply all numbers in parentheses:
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Hope this Helps!
3 0
3 years ago
What is X +7 equals 14
USPshnik [31]

Answer:

x = 7

Step-by-step explanation:

x + 7 = 14

Subtract 7 from both sides

x = 14 - 7 = 7

8 0
3 years ago
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