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polet [3.4K]
3 years ago
11

Tell which given value if any is a solution of the equation. T-2.1=0

Mathematics
1 answer:
Serga [27]3 years ago
8 0
T=2.1. ...........................
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12x-4x+3+11 help me solve this problem
daser333 [38]

Answer:

8x + 14

Step-by-step explanation:

12x - 4x + 3 + 11 <em>(</em><em>Subtract</em><em> </em><em>12x</em><em> </em><em>-</em><em> </em><em>4x</em><em>)</em>

8x + 3 + 11<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>(</em><em>Add</em><em> </em><em>3</em><em> </em><em>+</em><em> </em><em>1</em><em>1</em><em>)</em>

8x + 14

Tip: the like-terms 12x and 4x can be subtracted like regular numbers because they have the same variable and exponent.

6 0
3 years ago
In parallelogram DEFG if m_DEF=110° find m_FGD.<br> E<br> 110°<br> D<br> G
Sergio039 [100]

Answer:

E=x

or 110= x ( opposite angles of parallelogram are congurent)

E+D = 180 ( angles on st line)

110+D =180

D=70

D=F ( opposite angles of parallelogram are congurent)

so F=70

3 0
3 years ago
Complementary angles have measures (4x)° and (5x−27)°. find the measure of the larger angle.
Luda [366]

Answer:

4x=90

X=90÷4

X=22.5

5x-27=90

5x=90+27

5x=117

X=117÷5

X=23.4

So 23.4 is a larger angle

7 0
1 year ago
Answer quick please,
lbvjy [14]

Answer:

132 minutes

Step-by-step explanation:

1 Km = (60)(8)+15=495 seconds

4 mornings = (495)(4) =1980 seconds

4 weeks = (1980)(4) = 7920 sec.

7920/60 = 132 minutes

4 0
2 years ago
Which expression is equivalent to 5(4k+7)?<br><br> A. 5(7+4k)<br> B.7(5k+4)<br> C.35k+20<br> D.4k+35
Nata [24]

Answer:

A. 5(7+4k) = 35+ 20k

This is the same as 5(4k+7)

20k+35 is equal to 35+20k

5 0
3 years ago
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