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timofeeve [1]
3 years ago
9

3h-2(4h-5)=10-5h please find the answer I’m having truble with it and SHOW YOUR WORK please

Mathematics
2 answers:
ira [324]3 years ago
7 0
3h - 8h + 10 = 10 - 5h

-5h + 10 = 10 - 5h

infinitely many solutions
Irina18 [472]3 years ago
6 0

3h - 2(4h - 5) = 10 - 5h

3h - 8h + 10 = 10 - 5h      <em>distributed -2 on left side</em>

     -5h + 10 = 10 - 5h<em>      added like terms on left side</em>

               10 = 10             <em>added 5h to both sides</em>

                TRUE

Since it is a true statement, they are the same line. So it is a consistent, dependent system with infinitely many solutions.

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What numbers multiplie to equal -30 but add to equal -1
VashaNatasha [74]

Answer:

5 and -6.

Step-by-step explanation:

When you add 5 and -6, you get -1. When they are multiplied, you get -30. I just did this by finding all of the factors that went into 30 and making one negative.

5 0
3 years ago
An artist is constructing a piece of art in the shape of rectangle. The artist wants to use string to tightly tie each vertex of
Liula [17]

Answer:

  65.8 ft

Step-by-step explanation:

The number of strings required to tie each vertex to the other three will be ...

  (4)(3)/2 = 6

Those strings will be perimeter strings plus two diagonal strings. The lengths of the perimeter strings are given as 12 ft and 7 ft. The lengths of the diagonal strings can be found using the Pythagorean theorem.

  d² = 12² +7² = 144 +49 = 193

  d = √193 ≈ 13.892

Then the total length of all strings is ...

  L = 2(12.0 +7.0 +13.9) = 65.8 . . . . feet

The artist will need 65.8 feet of string.

4 0
2 years ago
At what x value does the function given below have a hole?<br><br> f(x)=x+3/x2−9
S_A_V [24]

Answer:

hole at x=-3

Step-by-step explanation:

The hole is the discontinuity that exists after the fraction reduces. (Still doesn't exist for original of course)

The discontinuities for this expression is when the bottom is 0. x^2-9=0 when x=3 or x=-3 since squaring either and then subtracting 9 would lead to 0.

So anyways we have (x+3)/(x^2-9)

= (x+3)/((x-3)(x+3))

Now this equals 1/(x-3) with a hole at x=-3 since the x+3 factor was "cancelled" from the denominator.

4 0
3 years ago
15r-15s=<br> can you help
Alla [95]

Answer:

i dlnt know 15 I think not sure

3 0
3 years ago
Read 2 more answers
Evaluate the expressions and match them to the integers.
alexira [117]

Answer:

See below.

Step-by-step explanation:

-7(6) = -42

-1(-10) = 10

2(-5) = -10

-3(-14) = 42

-32/-4 = 8

-2(-2)(-2) = -8

4 0
3 years ago
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