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masha68 [24]
3 years ago
15

Solve for d.-7d+1=15

Mathematics
2 answers:
omeli [17]3 years ago
7 0

Answer:

d = 2

The drawings will help

nata0808 [166]3 years ago
6 0

Answer:

d=-2

Step-by-step explanation:

-7d+1=15

-7d=15-1

-7d=14

d=14/-7

d=-2

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6 0
2 years ago
The work of a student to solve the equation 3(2x – 4) = 8 + 2x + 6 is shown below:
Blababa [14]
If you would like to know in which step did the student first make an error and what is the correct step, you can calculate this using the following steps:

3(2x - 4) = 8 + 2x + 6
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6x - 12 = 14 + 2x ... Step 2
6x - 2x = 14 + 12
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x = 26/4 = 13/2

The correct result would be Step 2; <span>6x - 12 = 14 + 2x.</span>
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3 years ago
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4 0
3 years ago
Hey! pls help me with this question on angles. would really be appreciated. have a nice day.
Neko [114]

Using supplementary angles, it is found that the measures of the angles are given as follows:

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<h3>What are supplementary angles?</h3>

Supplementary angles are two angles whose sum is of 180º.

An interior angle is supplementary with it's exterior angle, hence:

m<a + 150º = 180º -> m<a = 30º.

The sum of the three interior angles of a triangle is of 180º, hence:

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More can be learned about supplementary angles at brainly.com/question/12919120

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