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alexandr402 [8]
2 years ago
9

T 3.7.4 Quiz: Working With the Di

Mathematics
1 answer:
koban [17]2 years ago
3 0

Answer:

A

Step-by-step explanation:

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Are the ratios 2:1 and 18:9 equivalent
MrRa [10]

Answer:

Step-by-step explanation:

hello :

the ratios 2:1 and 18:9 are  equivalent because :

2/1 = (2×9)/(1×9)= 18/9

6 0
3 years ago
Can someone please help as soon as possible!!
sergiy2304 [10]

Answer:

  1) triangles are similar

Step-by-step explanation:

The height from vertex X of isosceles ∆WXY is 4 units. The width WY is also 4 units. In isosceles ∆UVW, the height from vertex V is 6 units, and the width UW is also 6 units.

The height ratios are ...

  ∆WXY/∆UVW = 4/6

The width ratios are ...

  ∆WXY/∆UVW = 4/6

The measures of ∆WXY are proportional to those of ∆UVW, so the triangles are similar.

_____

Strictly speaking, you cannot go by triangle height and width alone. That is why we made not of the fact that the triangles are <em>isosceles</em>. When base and height of an isosceles triangle are proportional, the Pythagorean theorem guarantees that side lengths are proportional. Trigonometry can also be invoked to support the claim that angles are congruent.

4 0
2 years ago
Find the value of x.
omeli [17]

Answer:

x=45.5

Step-by-step explanation:

sum of angles of a quadrilateral is 360°

so 3x - 11+x+8+x-8+2x+7+x=360°

or 8x-4=360

or, x=364÷8

hence

x=45.5

8 0
2 years ago
The difference of 100 and x is 57.
zimovet [89]
X= 43

That’s the answer
7 0
2 years ago
Read 2 more answers
The value of a car decreases by 15% for each year the car is leased. If the original price of
Alenkasestr [34]

Answer:

Around 7830 dollars

Step-by-step explanation

Times 15,000 by 0.85, you'll get 12,750. Times each product by 0.85 and you'll get around 7830 dollars

6 0
2 years ago
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