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Masteriza [31]
3 years ago
14

What is b −2.9+ b/0.1 = − 39.9

Mathematics
2 answers:
sineoko [7]3 years ago
5 0

Answer:

Exact form

b=-37/10

Decimal form

b=-3.7

Mixed Number form

b+-3 7/10

Step-by-step explanation:

-2.9+b/1/10+-39.9

-2.9+10b+-39.9

10b=-39.9+2.9

10b=-37

b=-37/10

Aneli [31]3 years ago
4 0

Answer:

b = - 1.09

Step-by-step explanation:

- 2.9 + b ÷ 0.1 = - 39.9

- 2.9 + b ÷ 0.1 × 0.1 = - 39.9 × 0.1

- 2.9 + b = - 3.99

- 2.9 + 2.9 + b = - 3.99 + 2.9

b = - 1.09

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-2.7f + 0.8f -14 -5 please help
Scrat [10]

Answer:

3.5f − 19

Explanation:

2.7f + 0.8f − 14 − 5

= 2.7f + 0.8f + −14 + −5

[ Combine Like Terms ]

= 2.7f + 0.8f + −14 + −5

= (2.7f + 0.8f) + (−14 + −5)

= 3.5f + −19

-PNW

8 0
3 years ago
The graph shows the number of words Denise types in a given number of minutes. If Denise continues to type at the same pace, how
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Question:

The diagram below shows the graph of a proportional relationship. The plotted point is (6,9) .

What is the unit rate of this graph? Be sure to simplify your answer.

Answer:

The unit rate of this graph is 1.5

Explanation:

The graph shows a proportional relationship and the plotted point is (6,9).

The unit rate of the graph can be determined by the formula,

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=m

Thus, from the graph, the coordinates are (0,0) and (6,9)

Substituting the coordinates in the formula, we have,

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Subtracting, we get,

m=\frac{6}{9} =1.5

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Step-by-step explanation:

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Answer:

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