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Alja [10]
4 years ago
6

How to do it ? plz answer it..​

Mathematics
1 answer:
Vera_Pavlovna [14]4 years ago
6 0

I hope you understand....

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There were 700 people in the auditorium. 60% of them were adults and the rest were children. how many adults were in the auditor
ollegr [7]

.60 \times 700 = 420 \\ 700 - 420 = 280
First I found the number of adults by multiplying .60 by 700. It was 420. From there all I had to do was subtract it from 700. Revealing the number of children to be 280.
5 0
3 years ago
The angle measurements in the diagram are represented by the following expressions.
Free_Kalibri [48]

Answer:

x = 12

m(∠B) = 45°

Step-by-step explanation:

Given question is incomplete; find the complete question in the attachment.

In the figure attached two lines 'l' and 'm' are the parallel lines and line 'n' is a transverse.

Angles A and B are the "Alternate exterior angles" which will equal in measure.

m(∠A) = m(∠B)

(5x - 15) = (2x + 21)

5x - 2x = 15 + 21

3x = 36

x = 12

Since, m(∠B) = (2x + 21)

                     = (2×12) + 21

                     = 24 + 21

                     = 45°

Therefore, x = 12 and measure of angle B will be 45°.

6 0
3 years ago
Eureka math 7th grade module 1: Complex fractions. Can someone explain complex fractions to me???
Softa [21]
It is where the numerator and the denominator (or both) contain a fraction. 
7 0
3 years ago
Nyree divided 495 by 24 using partial quotients.find the quotient and remainder.explain your answer using numbers and words
seraphim [82]
20.695 is your answer
5 0
4 years ago
Read 2 more answers
I need help on some geometry questions
kupik [55]

Answer: x = 40

<u>Step-by-step explanation:</u>

3x + x + 20 = 180    <em>same side (consecutive) interior angles</em>

    4x  + 20 = 180

    4x           = 160

      x           = 40

****************************************************************************

Answer: x = 24

<u>Step-by-step explanation:</u>

6x - 24 + 2x + 12 = 180       <em>linear pair (supplementary angles)</em>

               8x - 12  = 180

               8x         = 192

                 x          = 24

****************************************************************************

Answer: x = 16

<u>Step-by-step explanation:</u>

base angles of an isosceles triangle are congruent

2(2x + 15) + 6x - 10 = 180       <em>triangle sum theorem</em>

4x + 30 + 6x - 10 = 180

             10x + 20 = 180

              10x         = 160

                 x          = 16

****************************************************************************

Let ∠1 and ∠2 represent the exterior angles in the diagram and "x" represent the same side (consecutive) interior angle with ∠1.

Then m∠1 + x = 180     <em>same side interior angle theorem</em>

and m∠2 + x = 180      <em>linear pairs are supplementary </em>

m∠1 + x = m∠2 + x     <em>transitive property</em>

m∠1  = m∠2               <em>subtraction property of equality</em>

   ∠1 ≈ ∠2                   <em>definition of congruency</em>



8 0
3 years ago
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