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Dmitry_Shevchenko [17]
2 years ago
8

Which statement is true?

Mathematics
1 answer:
kipiarov [429]2 years ago
4 0

Answer:

B

Step-by-step explanation:

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Estimate √700 to one decimal place.​
adell [148]
The answer would be 26.5
4 0
10 months ago
Read 2 more answers
(x* +3x2 - 2x3)(-5x2 + x) = (x4 +3x2 - 2x )(-5x²)+(x4 +3x3 - 2x3)(x) is an example<br> of:
Tomtit [17]

Answer:

B

Step-by-step explanation:

The first term of the binomial needs to be multiplied by the entire trinomial. We'll use the distributive property to expand. Now we do the same process for the second term. The last step is to combine the two parts and simplify.

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3 years ago
A spherical weather balloon is being inflated. The radius of the balloon is increasing at the rate of 9 cm/s. Express the surfac
Zolol [24]
Since a sphere's surface area is 4πr², we then need to find r as a function of time t, which is 9t (since it increases by 9 every second)+0 (the initial value)=9t. Plugging it in, we get 4π(9t)²=4π*36t²=144πt²
8 0
2 years ago
Jon and Andy had a total of 560 trading cards. After Jon gave 1/9 of his trading cards to Andy, they has an equal number of trad
Romashka [77]

Answer:

70 cards

Step-by-step explanation:

Let A = the number of Andys cards

J = the number of Jons cards

Jon and Andy had a total of 560 trading cards

A+J = 560

After Jon gave 1/9 of his trading cards to Andy, they has an equal number of trading cards

J - 1/9 J = 1/9 J +A

Combine like terms

8/9 J = 1/9 J +A

Subtract 1/9J from each side

7/9J = A

Substitute this into A +J = 560

7/9J +J = 560

Combine like terms

7/9J +9/9J = 560

16/9 J = 560

Multiply each side by 9/16

9/16 *16/9 J = 560 *9/16

J =315

Jon originally had 315 cards

Now we need to find Andys cards

7/9J = A

7/9 (315) =A

245=A

How many more trading cards did Jon have that Andy in the beginning?

We need to take Jons cards and subtract Andys cards

J-A

315-245

70

6 0
3 years ago
Henry needs 2 pints of red paint and 3 pints of yellow
Artemon [7]

Answer:

15

Step-by-step explanation:

3x3=9

so therefore you need to multiply 2 by 3=6

9+6=15

6 0
2 years ago
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