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Lubov Fominskaja [6]
3 years ago
13

I need help getting started

Mathematics
2 answers:
swat323 years ago
6 0
The answer the to the question would be 18.00
zmey [24]3 years ago
4 0
The answer is

   15.39
-  12.78
------------
           2.61

  15.39
+  2.61
----------
         18.00

The answer is 18.00. That is what I think. I am pretty sure it is correct.
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Examine the system of equations.
stiks02 [169]

By substitution,

1.5x - 6 = -4.5x + 21

6x = 27

x = 4.5

Hence, y = 1.5(4.5) - 6 = 0.75

8 0
3 years ago
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a recent survey determained that 7 out of 9 students eat school lunch at least once a week. if 54 students were surveyed how man
Setler [38]

Answer:

12 students

Step-by-step explanation:

Given

Students = 54

Required

Determine the number of students that eat lunch once a week

In Sets;

If out of 9, at least 7 eats one a week then

9 - 7 eats lunch once a week

9 - 7 = 2

<em>In other words;</em>

2 out of 9 students eat lunch once a week

Number of students in this category is then calculated as thus;

Number = \frac{2}{9} * 54

Number = \frac{2 * 54}{9}

Number = \frac{108}{9}

Number = 12

3 0
3 years ago
-4(4x + 4) + 7(1 + 9x)
SVEN [57.7K]

Answer:

47x - 9

Step-by-step explanation:

-4(4x + 4) + 7(1 + 9x)

-16x -16 + 7 + 63x

47x -9

You can find what x = because there is no = sign. This is in simplest form.

4 0
2 years ago
Read 2 more answers
What is 0.005 in percent and fraction
Sati [7]
For percent, you just move the decimal over two spaces to the right, and add the percent sign. In which that would be:
<em> .5%</em>
And for the fraction: Since the 5 is in the thousandths place, the fraction would equal to:
\frac{5}{1000}     when simplafied:    \frac{1}{200}

~Hope this helped :)

4 0
3 years ago
If both pairs of opposite angles of a quadrilateral are supplemental then the quadrilateral is a parallelogram
Nutka1998 [239]

Answer:

THEOREM: If a quadrilateral has consecutive angles which are supplementary, then it is a parallelogram. BRAINLIEST LOL :)

Step-by-step explanation:

8 0
3 years ago
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