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ss7ja [257]
3 years ago
11

What is the answers for question 5 and 7?????? Having a bit of trouble and I’m in need of help! Please and thank you!

Mathematics
1 answer:
xenn [34]3 years ago
6 0

5. 2,0,7,7,7

6. 2.1

I do not know about number seven. Sorry.

Hope this helps!

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Divide to find equivalent fractions 18/10=
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9/5

Step-by-step explanation

18 divided by 10 equals 1.8 and 1.8 is 9/5 in fraction form.

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Two bicycles are driving on the circle in the same direction with speeds of 9 mph and 5 mph respectively. How many points are th
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Step-by-step explanation:

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3 years ago
In the diagram, point X is the centroid. If<br> EX=8, what is the length of XC ?
Phoenix [80]

Answer:

16

Step-by-step explanation:

If X is the centroid that means that EC is a median along with the other lines that intersect inside the triangle. Medians drawn from a triangle have a special rule; this rule is that all medians have a 2:1 ratio between the different sections of one median. For example, EC is one median with the two sections XC and EX. Therefore XC and EX have a 2:1, with the 2 representing the longer section closest to the vertex. This means that XC is double EX, so to find XC simply double EX measurement, which is 8. So XC must equal 16.

7 0
2 years ago
I need help with #10!
DiKsa [7]

Answer: 6 years old.

Step-by-step explanation:

For this exercise let "x" represents your present age.

According to the information provided in the exercise, you know that  In three years, Chad will be three times your present age.

Then, your age in three years can be represented with the following expression:

x+3

Knowing at that time Chad's age will be three times yours and you will be half as old as old as Chad, you can write the following equation to represent this situation:

x+3=\frac{3x}{2}

Therefore, the final step is to solve for "x" in order to find its value.

You get that this is:

2(x+3)=3x\\\\2x+6=3x\\\\6=3x-2x\\\\x=6

7 0
3 years ago
What are the solution(s) for the quadratic equation?
MariettaO [177]

Let's see

\\ \rm\rightarrowtail x^2+12x+36=0

\\ \rm\rightarrowtail x^2+6x+6x+36=0

\\ \rm\rightarrowtail x(x+6)+6(x+6)=0

\\ \rm\rightarrowtail (x+6)(x+6)=0

\\ \rm\rightarrowtail x=-6

3 0
2 years ago
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