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lesantik [10]
3 years ago
15

Solve each equation using the substitution method. 8t=56

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0

Answer: t= 7

Step-by-step explanation:

Take 56 divided by 8 and you get the remainder of 7. So t must equal 7.

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8x=-4(x+3)<br> I would really appreciate some help
olganol [36]

Answer:

x = -1

Step-by-step explanation:

8x = - 4(x + 3)

8x = -4x - 12

+4x  +4x

<u>12x = -12</u>

12       12

x = -1

  • Remember, a negative times a positive equals a negative
  • Remember, a negative divided by a positive equals a negative

Hope this helps you!!! :)

4 0
3 years ago
Read 2 more answers
Which answer choice shows 21.97 written in expanded form? A. 2 + 1 + 9 + 7 B. 20 + 1 + 0.9 + 0.7 C. 20 + 10 + 0.9 + 0.07 D. 20 +
Simora [160]

Answer:

20 + 1 + 0.9 + 0.07

Step-by-step explanation:

Given the number 21.97 ;

To wite in expanded form:

Tens ___ Unit ____ tenth ____ hundredth

2_______ 1 _______ 9_________ 7

2 = 20

1 = 1

9 = 0.9

7 = 0.07

Hence,

20 + 1 + 0.9 + 0.07

6 0
3 years ago
Please help, and i will mark you BRAINLIEST <br><br> QUESTION:<br> Solve: (-8) x (-4) = ________
aleksandr82 [10.1K]

Answer:

32

Step-by-step explanation:

Both are negative so it come out to positive and then 8*4 is 32

5 0
3 years ago
.000000759 scientific notation
lara31 [8.8K]

Answer

7.59 x 10⁻⁷

Step-by-step explanation:

8 0
3 years ago
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Which graph represents the function over the interval [-3, 3]?<br> floor-2
murzikaleks [220]

Answer:

In mathematics, the functions of the whole part are functions that take a real number and return a whole number, either by excess or by default.

 Function floor (or ground), that to each real number assigns the nearest whole number by defect, that is to say, the greater whole number equal or smaller than that real number.

 Let's evaluate the extremes of the interval

 x = -3

 g (-3) = floor (-3) -2 = -5

 x = 3

 g (3) = floor (3) -2 = 1

 Therefore, the graph that best corresponds to the function in the given interval is the attached graph.

Step-by-step explanation:

7 0
4 years ago
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