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Crazy boy [7]
3 years ago
9

Help 12-14 please !!!

Mathematics
1 answer:
In-s [12.5K]3 years ago
8 0
I would suggest asking your teacher for help that seems like a lot... :(
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I NEED SOME HELP BECAUSE THIS PROBLEM IS TEARING MY ORGANS APART!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
snow_tiger [21]
Let antonio's age = a and let sarah's age = s

2a + 3s = 34 (given in question)
s = 5a (given in question)

Because we know that s = 5a, we can replace it with 5a in the first equation to give this:

2a + 3(5a) = 34
∴ 2a + 15a = 34
∴ 17a = 34
∴ a = 2

Therefore we can see that Antonio is 2. Because we have been told that Sarah is 5 times Antonio's age, we can say that Sarah is 10.
5 0
4 years ago
The snack bar at your school has added sushi to its menu. The ingredients for one roll include sushi​ rice, seaweed​ sheets, cuc
amid [387]

Answer:

The answer si:  

- 16 servings - 6 oz of salmon

- 24 servings - 9 oz of salmon

- 80 servings - 30 oz of salmon

- 100 servings - 37.5 oz of salmon

1 roll is 8 servings and it is also made of 3oz of smoked salmon. That means that 3oz of smoked salmon is needed fo 8 servings.

Now, let's made some proportions:

16 servings:

3 oz is for 8 servings, how much oz is for 16 servings:

3 : 8 = x : 16

x = 3 · 16 ÷ 8 = 6 oz

24 servings:

3 oz is for 8 servings, how much oz is for 24 servings:

3 : 8 = x : 24

x = 3 · 24 ÷ 8 = 9 oz

80 servings:

3 oz is for 8 servings, how much oz is for 80 servings:

3 : 8 = x : 80

x = 3 · 80 ÷ 8 = 30 oz

100 servings:

3 oz is for 8 servings, how much oz is for 100 servings:

3 : 8 = x : 100

x = 3 · 100 ÷ 8 = 37.5 oz

5 0
3 years ago
What value of x makes the equation true?
IgorLugansk [536]

Answer:

x= 5 fam trust

Step-by-step explanation:

plug it in brainliest plzzzzzzzzzzzzzzzzz

5 0
3 years ago
Midpoint R(-4,6) and S(2,7)
shusha [124]

To find the midpoint, Add the two X coordinates together then divde by two and then to the same with the Y coordinates:


X = -4 + 2 = -2 / 2 = -1


Y = 6+7 = 13/2


Midpoint = (-1,13/2)



5 0
4 years ago
Read 2 more answers
Select all the proper fractions .
allsm [11]

<em>Answer:</em>

<em>B</em>

<em>C</em>

<em>F</em>

<em>Step-by-step explanation:</em>

<em>6/7</em>

<em>12/17</em>

<em>6/25</em>

<em>Best,</em>

<em>SunflowerJada</em>

6 0
3 years ago
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