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hodyreva [135]
3 years ago
9

Sara has a bag of coins. The bag contains 8 quarters, 10 dimes, 4 nickels,

Mathematics
1 answer:
elena-s [515]3 years ago
4 0

Answer:

15 if thats wrong pls let me know

Step-by-step explanation:

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the height of a triangle is 7cm longer than its base. The area of the triangle is 60cm^2 What is the base of the triangle.
OlgaM077 [116]
Triangle area = (1/2) base * height
60 = 3.5 * base
base = 60 / 3.5
base = <span> <span> <span> 17.1428571429 </span> </span> </span>


8 0
3 years ago
If C=(a,b,x,y) and D=(m,n,o,p) then c union d is
Ilya [14]

Step-by-step explanation:

here,

C={ a,b,x,y}

D ={ m,n,o,p}

now,

C union D ={a,b,x,y} union {m,n,o,p}

= {a,b,x,y,m,n,o,p}

therefore C union D ={ a,b,x,y,m,n,o,p}

<em>hope</em><em> </em><em>u</em><em> </em><em>get</em><em> </em><em>it</em><em>.</em><em>.</em><em>.</em>

5 0
4 years ago
Solve the system by substitution.<br> y = 3x + 14<br> y = X
lys-0071 [83]

Answer:

\boxed{x = -7~~and~~ y =-7}

Step-by-step explanation:

y = 3x + 14

y = x

.

x = 3x + 14

3x - x = -14

2x = -14

x = \frac{-14}{2}

x = -7

.

y = x

y = -7

4 0
3 years ago
Read 2 more answers
What is the right answer for 9i x 2i?
nevsk [136]
The correct answer is:   -18 .
________________________________________

 9i * 2i = 18 i² .
________________________________________
  " i " is an imaginary number equal to "√(-1) " .
  
  " i² " = [√(-1)] ² = √(-1) * √(-1) = -1 .
________________________________________
   18 * i²  = 18 * -1  =  -18 .
________________________________________

3 0
3 years ago
the functions of f and g are given by f(x)=6x+8and g(x)=x-2 over 3. An expression for gf(x) in its simplest form
dmitriy555 [2]

Answer:

gf(x) = (6x+6)/3

Step-by-step explanation:

replace f(x) in x on g(x)..then you get the answer

4 0
3 years ago
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