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MrMuchimi
3 years ago
7

Pls help My teacher rlly tried to make it fun like girl nah it’s still hella boring

Mathematics
1 answer:
Ne4ueva [31]3 years ago
5 0
Your saying you want all 5 of these questions answered?
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Triangle KML and triangle PRQ are shown in the figure belowK404008 cms4 cms10 cmsOL3 cms6 cmsRM17) Are these triangles similar?1
s2008m [1.1K]

Two triangles are similar if the only difference between them is the size, this means that their internal angles must be the same. If we look at the picture the first triangle has one angle equal to 40 degrees, one equal to 80 degrees and the third one is unkown (x). The second triangle has one angle equal to 40 degrees, one equal to 60 degrees and the third one is unkown (y). The sum of the internal angles of a triangle must be equal to 180 degrees, with this information we can find the values of the missing angles. We have:

\begin{gathered} 40+80+x=180 \\ 120+x\text{ = 180} \\ x\text{ = 180-120=60} \end{gathered}\begin{gathered} 40+60+y=180 \\ 100+y=180 \\ y=180-100=80 \end{gathered}

Therefore the internal angles of the first triangle are (40,80,60) and the angles of the second triangle are (40,80,60) as well, therefore they are similar.

Two triangles are congruent if they have sides with the same length. Which is not the case, because the sides of one triangle is (8, 10, 6) while the other is (4,3 and unkown). Therefore they are not congruent.

8 0
1 year ago
If f(x)=3|x-2|, what is f(5.9)? a: 9 b: 10 c: 11 d: 12
Mice21 [21]
|a|=  \left\{\begin{array}{ccc}a&if&a\geq0\\-a&if&a \ \textless \  0\end{array}\right\\\\f(x)=3|x-2|\\\\f(5.9)=3|5.9-2|=3|3.9|=3\cdot3.9=11.7
7 0
3 years ago
Read 2 more answers
How many students in the survey said that math was their<br> favorite subject?
vaieri [72.5K]

Answer:20

Step-by-step explanation:

6 0
3 years ago
Please help fast for 10 points and brainlist!! And it’s multiple choice!!! ANSWER ONLY IF YOU KNOW!! PLEASE EXPLAIN PREFER AND E
kari74 [83]

Answer:

C. 4yd * 3ft/yd * 12in/1ft * 2.54cm/1.in = 365.76cm

Step-by-step explanation:

First you change 4 yards into feet (By multiplying the 4 yard by 3 ft/1yd)

then you convert 12 feet into inches (By multiplying the 12 feet by 12in/1ft)

after you convert 144 inches to cm (By multiplying the 144 in by 2.54 cm/1in)

you’ll have the value in cm. Which is 365.76.

4 0
2 years ago
white paint costs £2.10 per litre. blue paint costs £1.50 per litre. white paint and blue paint are mixed in the ratio 2:1. work
emmainna [20.7K]

White paint = 2/3 * 17 = 11.33 liters , 11.33*2.10 = $23.8

blue paint = 1/3 * 17 = 5.66 liters, 5.66*1.50 = $8.5

Total cost = 23.8+8.5 = 32.30 euros

8 0
3 years ago
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