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solmaris [256]
3 years ago
10

Help plzzz Thx thx thx

Mathematics
2 answers:
Step2247 [10]3 years ago
7 0
Under 10 the number is 21 because 21+9=30 and the other side is 9
Semenov [28]3 years ago
3 0
9m * 10m + 9m * 30 m

= 9m * ( 10m + 30m)

= 9m * 40m

= 9m * 4 * 10m

= 36m * 10m

= 360 m²

--------

Area:

360 metres²
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TiliK225 [7]
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2 years ago
the original price of a collectible model airplane is $115. The discounted price is $99. What is the percent of discount to the
storchak [24]

Answer:

$99/$115 x 100% = 86.086% of the original price  

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8 0
3 years ago
Which transformations can be used to carry ABCD onto itself? The point of
dmitriy555 [2]

Answer:

A and B

Step-by-step explanation:

For A, y=2 is the axis of vertical symmetry, meaning a reflection would map the shape onto itself.

For B, x=3 is the axis of horizontal symmetry, meaning a reflection would map the shape onto itself.

For C, a rotation of 90 degrees would make the shape taller vertically and shorter horizontally, therefore it would be wrong.

For D, a translation two units down would move all points down, even though some would need to go up, therefore it would be wrong.

7 0
3 years ago
If 3(11x-18y)=6(x+y)-3x-10y <br> what is the ratio of x to y?
exis [7]

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33x-54y=6x+6y-3x-10y

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7 0
3 years ago
Find the values of X and Y.
Natasha_Volkova [10]

Answer:

x = 90°

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Step-by-step explanation:

We know that one angle equals 47°.

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180 - 137 = 43.

43° is the answer.

3 0
3 years ago
Read 2 more answers
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