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vlabodo [156]
3 years ago
15

Please help will mark brainliest

Mathematics
1 answer:
NeX [460]3 years ago
7 0

Answer: 145.8

Step-by-step explanation:   you have to divide 45 and 25 to get 1.8, then you get 81 and you multiply 81 x 1.8 to get your answer.

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7. A triangle has sides with lengths of 10 metres,
Kay [80]

Answer:

It is not a right triangle.

Step-by-step explanation:

We can prove this by Pythagorean theorem because it represents to a right triangle.

Pythagorean theorem:

a² + b² = c²

Now substitute the values.

Note: the longest side will represent c

So,

a = 10 m

b = 16 m

c = 20 m

10² + 16² = 20²

The objective here is to make them equal.

100 + 256 = 400

356 ≠ 400

They are not equal so it is not considered a right triangle.

7 0
3 years ago
If y = –0.96 when x = 2.4, what is y when x = 2.9?
Ksivusya [100]

Answer:

<u>It should be -1.16</u>

Step-by-step explanation:

Hope this helps :)

6 0
2 years ago
Solve the equation.
Ad libitum [116K]

Answer:

D. 13 1/2


Step-by-step explanation:

2/3 x -2 = 7

2/3 x -2 + 2 = 7 + 2

2/3 x = 9

x = 9 (3/2)

x = 27/2

x = 13 1/2

6 0
3 years ago
What is the tenth term of the sequence 1/2, 3/4, 5/6, 7/8, 9/10,?
Verdich [7]
11/12 i believe that is the answer

3 0
3 years ago
A furniture store owner buys a sofa for $400 and marks it up 90% to sell it. During the store's anniversary sale, she sells the
nydimaria [60]

Answer:

$570

Step-by-step explanation:

If she marks up the sofa for 90%, she will change the price to 760$

Now, 25% of 760$ is 190$. So, we subtract 190 from 760 and get 570$

Hope this helped, and have a good one!

7 0
2 years ago
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