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tankabanditka [31]
3 years ago
5

Please help! Very easy!

Mathematics
2 answers:
Bezzdna [24]3 years ago
7 0
12 is what 30% of what number answer:40
16 is what 58% of what number answer: 27.58
40 is what 120% of what number answer: 33.33
30 is what 20% of which number answer: 150
15 is what 45% of which number answer: 33.33
allochka39001 [22]3 years ago
3 0
What he/she said exactly
You might be interested in
An angle measures 47°. What is the measure of its supplement?
MaRussiya [10]
<h3>supplementary angles add up to 180⁰</h3>

so,

  • 180 - 47 = 133⁰

hope that helps :)

6 0
3 years ago
The students in your class are going on a field trip. The ratio of teachers to students must be 1 to 7.
andrew-mc [135]

Answer:

4 teachers for 28 students

Step-by-step explanation:

28/7 = 4

8 0
3 years ago
If (x-2) is a factor of x^3 + bx^2 - 4 , what is the value of b?
REY [17]

Answer:

b= -1

Step-by-step explanation:

Step 1: Find out value of x

x-2 = 0

x= 2

Step 2: Substitute value of x in the equation

x^3 + bx^2-  4 = 0

(2)^3 + b (2)^2 - 4 = 0

8 + 4b - 4=0

4 - 4b = 0

4b = -4

b = -1

4 0
3 years ago
these polygons are similar. find the similar ratio. any help ? please? ( also how do I ask a question ok here without typing 20
NNADVOKAT [17]
Answer: Choice B) 3/5

==================================================

Explanation:

The smaller horizontal side is JM = 15
The larger horizontal side is NQ = 25

The ratio of these corresponding sides is: 
small/large = 15/25 = (5*3)/(5*5) = 3/5

----------------

Alternatively,

The smaller vertical side is ML = 18
The larger vertical side is QP = 30

The ratio of these corresponding sides is: 
small/large = 18/30 = (6*3)/(6*5) = 3/5

----------------

Either way, the answer is 3/5
4 0
3 years ago
You are planning a skating party at a rink that charges a basic fee of
qwelly [4]

Answer:

y = 6.50x + 6 or 71 = 6.50x + 6

10 people are the max you can invite

Step-by-step explanation:

We have the simple equation

y = 6.50x + 6

6.50x because it it per person

6 because it is a flat one time charge

We want the max to be 71 so that will be our y

71 = 6.50x + 6

We are now going to solve for x

65 = 6.5x

x = 10

Hope it helps! (:

3 0
3 years ago
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