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Zigmanuir [339]
3 years ago
5

If Hector is 8 years old and Mary is 3 years old how old will Mary be when Hector is 16

Mathematics
1 answer:
IRINA_888 [86]3 years ago
7 0
Okay so 8 (hector) - 3(Mary) = 5 years apart
So, 16 (hector) - 5 (years apart) = 11 (Mary’s age)
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carmen recovered 2 gold bars that were stolen from a safe. the first bar weighed 2 2\5 pounds. the second bar weighed 1 2\3 time
TiliK225 [7]
What you do is 2 2/5 times 1 2/3
Change them to improper fractions will be:
12/5 Times 5/3

You will get:
60/15

That would make you :
4 pounds if you simplify it


She recovered 4 pounds of gold!

3 0
3 years ago
Is -15/2 a rational number or integer or whole number or all of them??
sergejj [24]

Answer: Rational number

It is a rational number because it is a fraction of two integers. Those two integers being -15 and 2.

In general, any rational number is of the form P/Q where P and Q are integers. The Q cannot be zero. Another example of a rational number is 2/3. In this example, P = 2 and Q = 3.

Going back to -15/2, we would have P = -15 and Q = 2.

The fraction -15/2 is not a whole number nor is it an integer. This is because -15/2 = -7.5 and this is sufficient to see we don't have an integer result. We would need to have nothing after the decimal point to get a whole number.

3 0
3 years ago
Read 2 more answers
What is the expected value of X?
Soloha48 [4]

Answer:

5.6

Step-by-step explanation:

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7 0
4 years ago
Read 2 more answers
Graph the system of linear inequalities.
sattari [20]

Answer:

Yes. Plug in your x and y into the first given equation and you'll see why.

(7) ≥ -(2)+1

7 ≥ -1 (7 is greater than or equal to -1)

...As well as the second equation.

(7) < 4(2)+2

7 < 8+2

7 < 10 (7 is less than 10)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please guys please, I need help ASAP, giving brainleist!
sattari [20]

Answer:

Step-by-step explanation:

a 2m+5=13

2m=8

m=4

b 3m/5=-6

3m=-30

m=-10

c 4-5x=19

-5x=15

x=-3

d x/4-10=2

x=48

e -24=8(h+3)

-24=8h+24

-48=8h

h=-6

f -3+d/2=9

-3+d=18

d=21

4 0
3 years ago
Read 2 more answers
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