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Advocard [28]
3 years ago
5

What is the value of the expression (–5) -3 but the -3 is an exponent.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0

Answer:

Answer: -0.008

Step-by-step explanation:

Hope this helped!

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State if the two triangles are congruent. if they are state how you know.
nlexa [21]
1) The triangles are congruent by SSS.

The two tick marks indicate two pairs of congruent sides; it is evident that the third side is congruent by the way the diagram is drawn - the bases of the triangles are together and appear to be the same length.

2) The triangles are congruent by SAS.

The two pairs of tick marks indicate congruent sides, and their included angles are congruent because they are vertical angles, and vertical angles are always congruent.
5 0
3 years ago
A rectangular room’s length is 2 feet less than its’ width and the area of the room is 120 ft^2
julia-pushkina [17]

Answer:

a. 120/w = l

120/l = w

b. l times w = 120

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Simplify 7 to the 6th power times 7 to the 5th power
guapka [62]

The answer would be 7 to the 11th power

when multiplying exponents, just add the exponents together

6 + 5 = 11 :)

3 0
3 years ago
Please answer!
gulaghasi [49]

Answer:

Step-by-step explanation:

distributive property

3 0
3 years ago
Please solve the problem.
Deffense [45]
OK.  I did it, and I have the solution.
_____________________________________

The length of the deck is  (5 + 2x) .
The width of the deck is   (4 + 2x) .

If the deck didn't have that big hole in the middle where the pool is,
then its area would be

                 (5 + 2x) · (4 + 2x) .

When you multiply that all out, you get    Area = 4x² + 18x + 20

and the question tells us that the area of the whole big rectangle is 90 yds² .
So we can write

                                             4x² + 18x + 20  =  90 .

Subtract 90 from each side:    4x² + 18x - 70  =  0
Divide each side by 2 :           2x² + 9x - 35  =  0

You can use the quadratic equation to solve that and find out that
x = 2.5 yards, and that's what the question is asking you.
___________________________________________________

That makes the deck  10 yds high and 9 yds wide.

Total area of the whole big rectangle, (deck + pool ),  =  90 yds².
 
3 0
3 years ago
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