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sergij07 [2.7K]
3 years ago
7

Calculate: [ -26 (-26) ] + [ (7) x -0.89 ] = ????

Mathematics
2 answers:
VikaD [51]3 years ago
3 0

Answer:

669.77

Step-by-step explanation:

neonofarm [45]3 years ago
3 0
First calculate -26*-26 which is 676
Then calculate 7*0.89 which is -6.23
Finally add the two results together which is 669.77
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Pls help me i need help
Llana [10]

Answer:

3x was subtracted from the left side, but 3x was subtracted from the right side. The Subtract Property of Equality states that you can subtract the same number from each side and the equation will remain true. But 3x and 3 are not the same number (unless x is 1).

x = -8/5

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

  • (7x+3x)+(21)=5
  • 10x + 21 = 5

Step 2: Subtract 12 from both sides.

  • 10x + 21 - 21 = 5 - 21
  • 10x = -16

Step 3: Divide both sides by 10.

  • \frac{10x}{10} = \frac{-16}{10}
  • x = -\frac{8}{5}
8 0
2 years ago
Read 2 more answers
Help me please i dont understand
matrenka [14]

Answer:

22

Step-by-step explanation:

The line where it says 2cm, extend that line to the top. You know have 2 triangles, call the one on the left A and the one on the right B

area of recntangle = bh

Rect A:

b = 5

h = 4 - 2

h = 2

bh = 5 x 2

bh = 10

Rect B:

b = 3

h = 4

bh = 4 X 3

bh = 12

Total = 10 + 12

Total = 22

5 0
1 year ago
Can I get some help? <br><br> Please show your work! <br><br> Thanks!
kirill [66]
Hey there,

Your question states: You have a 332 feet fencing to enclose a rectangular region. What is the maximum area.

Your correct answer would be 6,889.

Reason/explanation: 

The formula that we would use is P = 2l+2w

f(x)=ax^{2} +b*x+c

L=166=-W\\  L=83
_____________________________________________________________

So by this, now that we know that L=83

We do . . . 83 × 83. . . 

And you final answer would be Option A.) 6,889

Hope this helps you!

~Jurgen

6 0
3 years ago
Read 2 more answers
Aubrey says that the product of 104 and 10–2 is 10–8. Is she correct? If not, explain why.
konstantin123 [22]

Answer:

C

Step-by-step explanation:

No, she multiplied the exponents instead of adding them.

6 0
3 years ago
Read 2 more answers
How many ways can a dozen books be placed on four distinguishable shelves if no two books are the same, and the positions of the
Jet001 [13]

Answer:

217945728000 ways

Step-by-step explanation:

Given

Books = 12 --- 1 dozen

Shelf = 4

The given condition implies that;

Book\ 1  = 4 ---- any of the 4 shelves

Book\ 2  = 5 --- any of the 4 shelves and either ways of book 1

Book\ 3  = 6  --- any of the 4 shelves and either ways of book 1 and 2

-----------------------

----------------

----------

<h2>Book\ 12 = 15</h2><h2></h2>

So, the number of ways is:

Ways = 4 * 5 * 6 * 7 * 8 * 9 * 10 * 11 * 12 * 13 * 14 * 15

Ways = 217945728000

5 0
2 years ago
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