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zhuklara [117]
3 years ago
6

Five students wrote a test and the scores were as follows:5,3,7,9 and x. If their total score was 30 find the value of x

Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0

Answer:

The value of X<em> </em>is 6.

Step-by-step explanation:

5 + 3 + 7 + 9 = 24

30 - 24 = 6

X = 6

The difference is 6.  

Maurinko [17]3 years ago
6 0

Answer:

i think X = 6

 sorry if im wrong

Step-by-step explanation:

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I need help please show work.
mart [117]

Answer:

The midpoint of the segment is (6,5)

Step-by-step explanation:

To find the midpoint of a segment we use the formula

midpoint = (x1+x2)/2, (y1+y2)/2

              = (10+2)/2 , (7+3)/2

              = 12/2, 10/2

                =6,5

The midpoint of the segment is (6,5)

7 0
3 years ago
4. Castles and Coasters charges $12 to get
Vlad1618 [11]

20+x = 12+2x is the answer and x=8

5 0
2 years ago
Please help!!! I need this done today!!
Kryger [21]

Answer:

1) distance travelled = 75mi

time taken = 3 hrs.

speed = distance/time

= 75/3 = 25 mi/hr.

now, if time = 1.6 hrs.

Distance = speed x time

= 25 x 1.6 = 40.0 mi

---------------------------------------------------------------------------------------------

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therefore, rate of earning per hr. = 120/8 = $15/hr.

so, earning in 11 hrs. = 15 x 11 = $165


8 0
3 years ago
Malik wanted to make a cube frame out of a long wire 150 cm. If the volume of the cube is 2 197 cm³, is the length of the wire s
Rama09 [41]

Answer:

The wire is sufficient for making a cube of volume 2197 cm³

Step-by-step explanation:

Volume of cube = L³

Volume of the cube = 2197 cm³

Length of the wire = 150 cm

Let's see if the wire is sufficient for making a cube.

Volume of the cube that could be made from the wire is:

V = (L)³

V = (150)³

V = 3,375,000 cm³

So,

The volume of the cube using a 150 cm length wire is much more grater than 2197 cm³.

That is why, the wire is sufficient for making a cube of volume 2197 cm³.

4 0
2 years ago
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 5 hours. Together they
Vesna [10]

Answer:

g

Step-by-step explanation:

7 0
3 years ago
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