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den301095 [7]
3 years ago
13

The angle of a triangle is 30 degrees 60 degrees and 90 degrees Is this a unique triangle

Mathematics
1 answer:
Paha777 [63]3 years ago
7 0

Yes it is called a right angled triangle

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If the list price of bicycle is Rs 1000 and it is sold for Rs 900,cfind the list price of the article.
fgiga [73]

Answer:

Accroding to the question my guess for the answer would be 10

Step-by-step explanation:

I solved it like this

1000-900

= 100

=1000/100

=10

6 0
2 years ago
Kate buys 2 lollies and 5 chocices for £6.50
kirill [66]

Answer:

50p

Step-by-step explanation:

pls mark brainliest! have a lovely day

7 0
2 years ago
Which of the following shows of the slope of the line and one point on the line?
uysha [10]
Answer is choice D

This is the only answer choice with a negative slope, so we don't even need to look at the point really. Though if you wanted, you can confirm that the point (1,-3) is on the diagonal line. This point is shown in red in the attached image.

To find that the slope is -6/5, you pick two points on the diagonal line and use the slope formula. Two points you can use are (1,-3) and (-4,3).
The slope formula is m = (y2-y1)/(x2-x1)

Note: The negative slope is because we move downhill as we move from left to right along the diagonal line.

3 0
3 years ago
What is the solution to the equation 1.6m − 4.8 = −1.6m?
Alla [95]
<span>1.6m − 4.8 = −1.6m
<u>- 1.6m           -1.6m
</u>        -4.8  =  -3.2m
<u>
</u>divide both sides by -3.2

m = 1.5</span>
7 0
3 years ago
David bought 3 dvds and 4 books for $40 at a yard sale. Anna bought 1 dvd and 6 books for $18. How much did each dvd and book co
Ber [7]

Answer:

A book is worth $1 and a DVD is worth $12.

Step-by-step explanation:

The equations (2 unknowns and two equations, d is for a DVD and b is for a book):

For David: 3d+4b=40

For Anna: d+6b=18

Now multiply the second equation with -3 and add to the first equation:

3d+4b=40

−3d−18b=−54

Combined equation: −14b=−14 and b=1 (means that each book is worth $1).

 

Now for DVD price, use the second equation:

d=18−6 or d=12 (means that each DVD  is worth $12).

A book is worth $1 and a DVD is worth $12.

8 0
3 years ago
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