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LekaFEV [45]
3 years ago
15

Which equation can be used to find one of the missing side lengths in the triangle?

Mathematics
1 answer:
goblinko [34]3 years ago
7 0
Cos60 = BC / AB 
Cos60 = a/12

answer is D. last one
Cos60 = a/12
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Miss penny inherits £650. She decides to save some of the money and spend the rest. The ratio of saving to spending money is 9:4
blsea [12.9K]

Answer:

Saving=£450

Spent=£200

Step-by-step explanation:

Ratio of saving to spending is 9:4

She inherits £650

So to determine her saving

It will be

9+4=13

Since her saving is 9

So, 9/13 × 650

5850/13

=450

So her saving is£450

To determine what she spent

4/13 × 650

2600/13

200

Saving=£450

Spent=£200

3 0
3 years ago
Read 2 more answers
Please help.<br> Is algebra.
lara [203]

Answer:

1) 0

2) -6

Step-by-step explanation:

Any number to the ⁰th power is 1.

A negative exponent flips the fraction.

4 0
3 years ago
a stadium with 80 rows has 20 seats in the first rows,30 in the second,and so on.how many total seats are in the stadium​
joja [24]
Answer: there are 2,000 seats in total
5 0
3 years ago
200 + 10x = 120 + 15x now solve the equation to find x, the number of hours that both companies will charge the same ammount
torisob [31]

Answer:

16

Step-by-step explanation:

Given the equation, 200 + 10x = 120 + 15x, let's solve for x as follows,

Subtract 200 from both sides

200 + 10x - 200 = 120 + 15x - 200

10x = - 80 + 15x

Subtract 15x from both sides

10x - 15x = - 80 + 15x - 15x

-5x = - 80

Divide both sides by -5

\frac{-5x}{-5} = \frac{-80}{5}

x = 16

8 0
3 years ago
Finish writing the equation of the line y= -3/2x+?, given the points (6, -5) and (-2, 7).
anastassius [24]

Answer:

y=-3/2x+4

Step-by-step explanation:

In order to solve this you need to graph the points and then draw a line threw them. The place where the line crosses through the y-intercept is the value for b in y=mx+b.

6 0
3 years ago
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