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stellarik [79]
3 years ago
14

(4+5)²-(-2)²×(13+7) ayúdenme es para hoy​

Mathematics
2 answers:
ser-zykov [4K]3 years ago
8 0
(9)^2 - (-4) • (20)
81 - (-80)
161
ExtremeBDS [4]3 years ago
7 0
The answer is 1 i think
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PilotLPTM [1.2K]

just realized this is an old question

7 0
3 years ago
Help me plz rlly need it
maria [59]
DE perpindicular to JL

6 0
3 years ago
What is a-5/6= -3 2/3 + 5/6
valentinak56 [21]

Answer:

A=-2

Step-by-step explanation:

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3 0
3 years ago
Choose the inequality that represents the following graph.
zmey [24]

Answer:

(b) x ≤ -4

Step-by-step explanation:

There are a few things to note when reading an inequality on a number line.

The number line would contain the following:

i. <em>circles</em>: These can be closed or open. Closed circles are denoted by a shaded small circle showing that the point or number shown on the number line is included in the inequality. Open circles are denoted by an unshaded small circle showing that the point or number shown on the number line is not included in the range of inequality.

ii. <em>arrows</em>: An arrow can point to the right or left. When it points to the right, that means the values greater than the number specified on the number line are included in the range. When it points to the left, the values less than the number are included.

From the given number line,

The type of circle is a closed circle since it is shaded. This means that the number pointed at on the number line (-4 in this case) is included in the range.

Also, the arrow is pointing leftwards. This means that values less than the number pointed at (-4 in this case) are included in the range.

Therefore, the inequality should read,

x ≤ -4

This shows that all values of x less than or equal to -4 are included in the range.

4 0
3 years ago
Determine if each graph below represents a function. Then state its domain and range.
Bas_tet [7]

Answer: None of those are functions

Step-by-step explanation: They all fail the vertical line test. x values do not repeat. Those intersect more than one pint on the relationship if you were to take a line and move it across the graph.

5 0
3 years ago
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