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Mkey [24]
3 years ago
11

Which rule explains why these triangles are congruent? (A) ASA (B) AAS (C) SAS (D) These triangles cab not be proven congruent

Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0

Answer:

These triangles cannot be proven congruent.

They are similar but NOT congruent.

Step-by-step explanation:

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If y varies directly as x and y-21 when x<br> is 7, find x when y = -5.
klasskru [66]

Step-by-step explanation:

Since, y varies directly as x:

\therefore \: y = kx..(1) \\ (k = constant \: of \: proportionality) \\ at \: y = 21 \: and \: x = 7 \\ 21 = k \times 7 \\ k =  \frac{21}{7}  = 3 \\ plugging \: k = 3 \: in \: equation \: (1) \\ y = 3x..(2) \\ plugging \:  \: y =  - 5  \: in \: (2)\\  - 5 = 3x \\ x =  \frac{ - 5}{3}  \\   \:  \:  \:  \:  \:  \: \huge \red{ \boxed{x =  -  \frac{5}{3} }}

6 0
2 years ago
Read 2 more answers
£440 is divided between David, Mark &amp; Henry so that David gets twice as much as Mark, and Mark gets three times as much as H
Lesechka [4]

Mark received £ 132

<em><u>Solution:</u></em>

Given that £440 is divided between David, Mark & Henry

Let "d" be the share of david

Let "m" be the share of mark

Let "h" be the share of henry

Total amount is 440

Therefore,

share of david + share of mark + share of henry = 440

d + m + h = 440 ------- eqn 1

<em><u>David gets twice as much as Mark</u></em>

d = 2m ----- eqn 2

<em><u>Mark gets three times as much as Henry</u></em>

m = 3h

h = \frac{m}{3}  ------ eqn 3

<em><u>Substitute eqn 2 and eqn 3 in eqn 1</u></em>

2m + m + \frac{m}{3} = 440\\\\\frac{6m + 3m + m}{3} = 440\\\\10m = 1320\\\\m = 132

Thus Mark received £ 132

8 0
3 years ago
Theresa and her brother, Ruben, are getting phones that each have 32 gigabytes of storage. How many bits of storage come with ea
Delicious77 [7]

Answer:

32000000000 bytes are in 32 gigabytes.

Step-by-step explanation:

1e+9 * 32 = 32000000000

7 0
2 years ago
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Which is larger than 8.15: 55/9 or 57/7 or 41/5 or 65/8​
grin007 [14]
55/9 = 6.11
57/7 = 8.14
41/5 = 8.2
65/8 = 8.125

The answer is 41/5 is larger than 8.15
3 0
1 year ago
Read 2 more answers
The temperature on June 23rd increased from<br> 67 degrees at 7:00 AM to 87 degrees at 2:00<br> PM.
Svetlanka [38]

Answer:

154

Step-by-step explanation:

7 0
3 years ago
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