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galben [10]
3 years ago
13

The parallelogram shown below has an area of 21 units. Find the missing height.

Mathematics
2 answers:
sleet_krkn [62]3 years ago
8 0
I believe is 3 also
Naddika [18.5K]3 years ago
7 0
The answer is 3




Brainiest please
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Help please, im unsure ​
Helen [10]

Answer:

The value of AM = 43

Step-by-step explanation:

As point M is the midpoint of AB, so

  • AB = AM + BM
  • AM = BM

Given

AB = 8x - 50

AM = 2x + 9

so substituting AB = 8x - 50 and AM = 2x + 9 in the equation AB = AM + BM

AB = AM + BM

8x - 50 = 2x + 9 + BM

8x - 2x - 50 - 9 = BM

6x - 50 = BM

Thus,

BM = 6x - 59

As

AM = BM

so substituting AM = 2x + 9 and BM = 6x - 59 in the equation AM = BM

2x + 9 = 6x - 59

switch sides

6x - 59 = 2x + 9

subtract 2x from both sides

6x - 2x - 59 = 2x + 9 - 2x

4x - 59 = 9

add 59 to both sides

4x - 59 + 59 = 9 + 59

4x = 68

divide both sides by 4

4x/4 = 68/4

x = 17

Thus, the value of x = 17

Therefore, the value of AM will be:

AM = 2x + 9 = 2(17) + 9 = 34 + 9 = 43

Hence, the value of AM = 43

<u>Verification:</u>

AM = BM

2x + 9 = 6x - 59

2(17) + 9 = 6(17) - 59

34 + 9 = 102 - 59

43 = 43

and

AB = 8x - 50 = 8(17) - 50 = 86

8 0
3 years ago
Is 5/74 rational or irrational?
Bingel [31]

Answer:

Rational

Step-by-step explanation:

5.74 is the same as 5.74 over 1. In other words, 5.74 can be written with a numerator and denominator, like this:

 5.74  =  5.74/1

   

5.74 x 100/ 1 x 100

You can multiply the numerator and denominator of any fraction by the same number and keep the value of the fraction the same. Here we will multiply the numerator and denominator by 100 to get rid of the decimal point.

   

5.74 × 100/ 1 × 100

When we calculate the numerator and the denominator above, we get this fraction:

   

574/100

The fraction above is the same as 5.74. Furthermore, the numerator and the denominator of the fraction above are integers. Therefore, we can conclude that the answer to "Is 5.74 a rational number?" is yes.

4 0
2 years ago
Read 2 more answers
Straight-Line Depreciation A small delivery truck was purchased on January 1 at a cost of $21,920. It has an estimated useful li
lesantik [10]

Answer:

Rate of depreciation per year  is 4310 $/ year and the depreciation schedule is given below.

Step-by-step explanation:

According to the question,

since, it is straight-line depreciation,

rate of depreciation per year = \frac{21920 - 4680}{4}   $/year

                                                = 4310 $/ year

So we can prepare the following table.  (year = 0 for the base period)

Year    Depreciation   Accumulated      Book value

              expense        depreciation  

                 ( in $)               (in $)                    (in $)

 0              0                         0                      21920

 1            4310                    4310                    17610

 2           4310                     8620                  13300

 3           4310                      12930                  8990

 4           4310                      17240                  4680

6 0
3 years ago
I need help plzill give brainliest
sladkih [1.3K]

Answer:

its 1/7

Step-by-step explanation:

give braialiest pls

3 0
2 years ago
Diego scores 9 point less than Andre in the basketball game. Noah scores twice as many points as Diego. if Noah
ser-zykov [4K]

Answer:

Andre scored 14 points in the game.

Step-by-step explanation:

Question :

Diego scored 9 points less than Andre in the basketball game. Noah scored twice as many points as Diego. If

Noah scored 10 points, how many points did Andre score?

Given:

Diego scored 9 points less than Andre in the basketball game.

Noah scored twice as many points as Diego.

Noah scored 10 points

To find Andre's points.

Solution:

Let Andre's score be = x points

Then, Diego's points will be = (x-9) points

Noah's points will be = 2(x-9) points

Noah's points given = 10 points.

Thus, the equation can be given as:

2(x-9)=10

Solving for x.

Dividing both sides by 2.

\frac{2(x-9)}{2}=\frac{10}{2}

x-9=5

Adding 9 both sides.

x-9+9=5+9

∴ x=14

Thus, Andre scored 14 points in the game.

5 0
3 years ago
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