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Semenov [28]
3 years ago
6

(6.8 x 10^2) x (1.3 x 10^-3)

Mathematics
1 answer:
Leviafan [203]3 years ago
6 0

Answer: (6.8 x 10^2) x (1.3 x 10^-3) = 0.884x^{2}

Step-by-step explanation:

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Ms Walsh has 2 separate 7 foot boards.she needs to cut pieces that are 11 inches long from the boards.what is the greatest numbe
vazorg [7]
Ms. Walsh can get 12 11 inch boards
5 0
3 years ago
What is 946 divided by 11?
timama [110]
Answer: 946 ∻ 11 = 86


3 0
3 years ago
Find x, if 3x − 5(y + x ) ^2 = 16 and 4x + 2(y + x )^ 2 = 30
lana66690 [7]

Answer:

x = 7

Step-by-step explanation:

Start by solving for (y+x)^2 which is a common expression for both equations. Then in the first equation:

3\,x5\,(y+x)^2=16\\3x-16=5\,(y+x)^2\\(y+x)^2=\frac{3\,x-16}{5}

and in the second equation:

4\,x+2\,(y+x)^2=30\\2\,(y+x)^2=30-4\,x\\(y+x)^2=15-2\,x

Now we make the two (y+x)^2 expressions equal so we get:

\frac{3\,x-16}{5} =15-2\,x\\3\,x-16=75-10\,x\\13\,x=75+16\\13\,x=91\\x=7

8 0
3 years ago
The sum of 5 and y is greater than or equal to 7
harina [27]

Answer:

5 + y ≥ 7

Step-by-step explanation:

"The sum of 5 and y"

The sum of two items will be the two items added, and in this case, it is 5 and y, or

5 + y.

"Greater than or equal to 7"

Here, use the symbol, ≥, and 7.

≥ 7

Combine those to get the final equation:

5 + y ≥ 7.

7 0
3 years ago
Read 2 more answers
What is the product of a+3 and −2a2+15a+6b2?
Arte-miy333 [17]

Answer:

<h3>            -2a³ + 9a² + 6ab² + 45a + 18b² </h3>

Step-by-step explanation:

(a + 3)×(−2a² + 15a + 6b²) =

= a×(−2a² + 15a + 6b²) + 3×(−2a² + 15a + 6b²) =

= -2a³ + <u>15a²</u> + 6ab² - <u>6a²</u> + 45a + 18b² =

= -2a³ + 9a² + 6ab² + 45a + 18b²

8 0
2 years ago
Read 2 more answers
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