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Aleks04 [339]
3 years ago
15

When surveyed,the student who preferred science class to English class was 5:4 if 90 students were surveyed how many students ch

ose science
Mathematics
1 answer:
svp [43]3 years ago
7 0
50. i’m sure you’re learning the proper mathematical way to do that, but my brain went ‘4+5 is 9. that’s 10 times less than 90’
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1. What is the solution to this equation?<br> 2 x + 10 = 28
Colt1911 [192]

Answer:

9

Step-by-step explanation:

2x=28-10

2x=18

x=18÷2

x=9

3 0
3 years ago
Read 2 more answers
I need health drink is 130% of the recommended daily allowance RDA for a certain vitamin the RDA for this vitamin is 45 MG. How
Tanzania [10]

From this question I take it that you need to know what is 130% of 45 mg. 130% of 45 is equal to 1.3x45, which is 58.3. So, your answer is 58.3 mg of the vitamin.

5 0
3 years ago
Read 2 more answers
Which expression is equivalent to 4x2 + 9x – (x – 3)2 + 11?
Zanzabum
4x^2+9x-(x^2-6x+9)+11
4x^2+9x-x^2+6x-9+11
3x^2+15x+2
4 0
3 years ago
Gym membership costs $100 per year in a $2 fee per visit another gem charges $12 fee per visit with no yearly membership find th
Nimfa-mama [501]

Answer:

<em>For 10 visits, both gyms charge the same</em>

Step-by-step explanation:

<u>Equations</u>

Gym memberships' costs are:

G1 = 100 + 2x

G2 = 12x

Where x is the number of visits to the gym.

We need to find the number of visits for which the charges for both gyms are the same. Thus equating the costs:

12x = 100 + 2x

Subtracting 2x:

10x = 100

Dividing by 10:

x =10

For 10 visits, both gyms charge the same

3 0
3 years ago
+<br> Find the are of the triangle
Yuliya22 [10]
Where’s the picture. Please show it
4 0
3 years ago
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