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Sav [38]
3 years ago
7

Someone please help me?!?!

Mathematics
1 answer:
statuscvo [17]3 years ago
7 0
Holy guacamole....oml
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Mary is twice as old as jean and seven years older than hazel. The sum of their ages is 53. How old is each person?
weeeeeb [17]

Answer:

Step-by-step explanation:

M = 2J

M = H + 7

M + J + H = 53

Then combine first two equations and solve in terms of J:

2J = H + 7 --> H = 2J - 7

Substitute for H & M in last equation:

2J + J + 2J - 7 = 53

5J - 7 = 53

5J = 60

J = 12

Then plug J into other equations:

M = 24

J =12

H = 17

4 0
3 years ago
Need help please (: Show how to apply the order of operation rules as you simplify the following expression
Gwar [14]

Apply in this order Ι-15Ι - 33÷11= 15-3=12


Good luck!!!


7 0
3 years ago
If it requires 6 pounds of wild caught animals to create 1 pound of salmon, what percent of the wild caught animals are wasted?
Oduvanchick [21]

The percentage of animal wasted is the number of animal wasted over 100

85.7%  of the wild caught animals are wasted

<h3>How to calculate the animal wasted</h3>

From the question, we have:

Animals caught = 6 pounds

Salmon = 1 pound

The total weight in the system is:

Total = 6 pounds + 1 pound

So, we have:

Total = 7 pounds

The percent of wild caught animals wasted is then calculated as:

\%Wasted = \frac{6}{7} * 100\%

Simplify

\%Wasted = 85.7\%

Hence, 85.7%  of the wild caught animals are wasted

Read more about percentage at:

brainly.com/question/843074

4 0
2 years ago
Which graph represents an exponential function
luda_lava [24]
Y=ab with a x overtop
3 0
3 years ago
What is the probability of spinning a D or a E, if The Spinner is spun how 100 times
lisov135 [29]

Answer:

About 50, 50

Step-by-step explanation:

is there a picture or something there isnt much context

6 0
2 years ago
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