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nikklg [1K]
2 years ago
11

In a group of 36 students, 6 study both Art and Biology.

Mathematics
2 answers:
Liula [17]2 years ago
8 0

Answer:

21

Step-by-step explanation:

this is really easy so what you do is

you know 13 study bio and NOT art

we also know 2 student study neither subject

so lets just do 36-15

which is 21, this 21 does include the 6 that study both and the rest we can safely assume study art

nadya68 [22]2 years ago
5 0

Answer:

17

Step-by-step explanation:

because 19 students for the other in total (you add the ones who study biology and the ones who study both, then you minus the group of students by 19)

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bixtya [17]

Answer:

Just do -6 - 6×3 and you'll get -24

4 0
3 years ago
The three steps are shown below were used to find an expression equivalent to 2/5( 15x- 30y)+10x
Tresset [83]

B

step 1 is to distribute the bracket by \frac{2}{5}

= \frac{2}{5} × 15x - \frac{2}{5} × 30y + 10x

= 6x - 12y + 10x ← step 1


8 0
3 years ago
Cora has some ice cream that she is serving for her friend , if Cora gives1/6 of a quart of ice cream to earth of her 8 friends,
zalisa [80]

Answer:

\frac{4}{3} quarts of ice cream

Step-by-step explanation:

Given

Number of friends = 8

Size of ice cream = 1/6 quarts

Required

Total ice cream served

Let n represent the number of friends, s represent the size of ice cream and t represents total ice cream served;

t is calculated as thus;

t = n * s

t = 8 * \frac{1}{6} quarts

t = \frac{8}{6} quarts

Divide numerator and denominator by 2

t = \frac{4}{3} quarts

Hence, she serves \frac{4}{3} quarts in total

8 0
3 years ago
List the key words in the equation twice the sum of a number and three is seven and than write the equation
egoroff_w [7]
Twice, sum. and is are the important words.
8 0
3 years ago
Read 2 more answers
Which percent is equivalent to 2.5?
Elan Coil [88]
To convert a decimal to a percentage, you move the decimal place two spaces to the right. 

2.5 would become 250%. 

I hope this helps!
8 0
3 years ago
Read 2 more answers
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