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rewona [7]
3 years ago
9

Please help! I will be so thankful!

Mathematics
2 answers:
tatuchka [14]3 years ago
7 0

Answer:


Step-by-step explanation:

Solution is given in attachment

Amanda [17]3 years ago
6 0
Since <A and <B are vertical angles they are congruent or they have the same measure.

What I did is I set m<A = m<B

x=3x-60 and solve (then substitute for x in <A since you need to find the m<A)

Please comment if you need me to solve the problem for you
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Which three lengths could be the lengths of the sides of a triangle? A.21 cm, 7 cm, 7 cm B.9 cm, 14 cm, 22 cm C.15 cm, 5 cm, 20
lapo4ka [179]
B.) 9 cm, 14 cm, 22 cm

It would make an obtuse triangle, and by using the triangle calculator trick or ways you would have to find the area of the triangle, but it would get to confusing...

But also the simplest way or elementary would be

A.) 21 cm, 7 cm 7 cm

I messed up my self I'm am truly sorry but,

I hoped this helped!! <33
5 0
3 years ago
Amanda's car gets 27 miles per gallon. If her tank holds 22 1/2 gallons how many gmiles can she drive on one tank of gas
lianna [129]
27 * 22.5 = 607.5 (or 607 1/2) miles
6 0
3 years ago
What is the missing length
steposvetlana [31]

Answer:

25 km

Step-by-step explanation:

4 0
3 years ago
Scientists found that a certain particle of dust doubles every 30 minutes. If the scientists tests this out with 21 grams of the
monitta

Answer: 1.663\times 10^{30}\ gm

Step-by-step explanation:

Given

Population of dust particle doubles every 30 minutes

If the initial sample is 21 grams

The model to predict the population will be

\Rightarrow P=21\cdot 2^{2t}

Where t=time in hours

A day has 24 hours . So, for 2 days time is 48 hours

Population is given by

\Rightarrow P=21\cdot 2^{2\times 48}\\\\\Rightarrow P=21\times 2^{96}\\\\\Rightarrow P=1.663\times 10^{30}\ gm

7 0
3 years ago
-11 - 5x = 6(5x + 4)
gavmur [86]

Answer:

x=-1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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