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3 years ago

What’s the median of 1,1,7,3,2,2,3,5

Mathematics

2 answers:

Sloan [31]3 years ago

8 0

I think the answer is 3and2

Ratling [72]3 years ago

3 0

3,2

That’s the answer

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Which is a composite number? 2,5,11, or 9

andrew11 [14]

Answer:

Step-by-step explanation:

A composite number is a positive integer. which is not prime. The first few composite numbers (sometimes called "composites" for short) are 4, 6, 8, 9, 10, 12, 14, 15, 16, ...

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3 years ago

The Sum Of Two Numbers Is 18 And Their Difference Is 4

Murljashka [212]

Answer:

The two numbers are 7 and 11.

Step-by-step explanation:

x represent the first number.

y represent the second number.

x + y = 18

x - y = 4

2x = 22

x = 11

x - y = 4

(11) - y = 4

y = 7

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4 years ago

Factor 7a^2 + 26a + 15

sleet_krkn [62]

Answer:

(7a + 5) (a + 3)

Step-by-step explanation:

We can factor by grouping which leaves us with (7a + 5) (a + 3) as the answer.

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2 years ago

1/4 times the sum of a number and −3.2 is 1.8

Bogdan [553]

10 2/5 is the number......

4 0

3 years ago

Read 2 more answers

A bookstore can purchase several calculators for a total cost of $120. If each calculators cost $1 less, the bookstore could pur

Tresset [83]

$x-number\ of\ calculators\ sold\ in\ regular\ price\\\\
y-\ \ first\ price\\\\
(y-1)\ \ -second\ price\\\\x=\frac{120}{y}\\
x+10=\frac{120}{y-1}\\\\Substitude\ x=\frac{120}{y}\ into\ the\ second\\\\\
\frac{120}{y}+10=\frac{120}{y-1}\ \ |-\frac{120}{y-1}-10\\\\
\frac{120}{y}-\frac{120}{y-1}=-10\\\\Make\ a\ common\ denominator\\\\
\frac{120(y-1)}{y(y-1)}-\frac{120y}{(y-1)y}=-10
\frac{120y-120)}{y(y-1)}-\frac{120y}{(y-1)y}=-10\\\\
\frac{120y-120-120y}{y(y-1)}=-10$ <u /> $Assumptions:\\y \neq 0\ \ \ and\ \ y \neq 1\\\\ \frac{-120}{y(y-1)}=-10\ \ \ | *y(y-1) \\\\
-120=-10y(y-1)\\\\
-120=-10y^2+10y\\\\
10y^2-10y-120=0\ \ \ |:10\\\\
y^2-y-12=0\\\\Factor\ equation\\\\ y^2+3y-4y-12=0\\\\
(y-4)(y+3)=0\\\\Solutions:\ \ y=4\ \ and\ \ y=-3$

8 0

4 years ago