3 years ago

A toy store’s percentage of markup is 25%. A modeltrain costs the store $120. Find themarkup.

Mathematics

1 answer:

Alex Ar [27]3 years ago

5 0

The correct answer is letter B

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Use each picture or description of a triangle, write and solve an equation in order to find the number of degrees in each angle

TiliK225 [7]

4x + 7x - 2 + 5x - 10 = 180

16x - 12 = 180

16x = 192

x = 12

m<A= 4x = 4(12) = 48

m<B = 7x - 2 = 7(12) - 2 = 84 - 2 = 82

m<C = 5x - 10 = 5(12) - 10 = 60 - 10 = 50

7 0

3 years ago

Find the geometric mean of the pair of numbers

Svetach [21]

Answer: a. 55

Step-by-step explanation:

The formula to find the geometeric mean between two numbers a and b is given by :-

$G.M. =\sqrt{ab}$

The given numbers are : 275 and 11

The geometric mean of 275 and 11 is given by :-

$G.M.=\sqrt{275\times11}\\\\\Rightarrow\ G.M. =\sqrt{3025}\\\\\Rightarrow\ G.M.=\sqrt{55\times55}\\\\\Rightarrow\ G.M.=\sqrt{55^2}\\\\\Rightarrow\ G.M.=55$

Hence, the geometric mean of 275 and 11 is 55.

So , the correct option is a. 55 .

4 0

3 years ago

Sara made 8 necklaces. She used 9 beads on each necklace. The beads came in bags of 6 each. How many bags

motikmotik

Answer:

12 bags

Step-by-step explanation:

9×8=72 beads all together

72/6=12 bags of beads

4 0

2 years ago

How to solve z+2/z-3=5/-3

OLEGan [10]

(z+2)= (z-3)(5/-3)
z+2 = 5z/-3 +5
-3= 2z/-3
9= 2z
9/2 = z

5 0

3 years ago

If the graph of the linear equation ax-8y=15 has an x-intercept at (3,0), then what is the value of a?

mart [117]

Ax-8y=15
a(3)-8(0)=15
3a=15
a=5

4 0

3 years ago