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ankoles [38]
3 years ago
8

Need math help please!!

Mathematics
2 answers:
dem82 [27]3 years ago
5 0

Answer:

my best guess is A

Step-by-step explanation:

Triss [41]3 years ago
5 0
The triangles are similar and we already know that but how are they similar?

We need to look at the diagram and figure out what test is applicable to prov that triangles are similar

We see an included angle and two matching sides in the same ratio

So, the triangle is similar through the test of sas

So, in similar triangles the angles are also equal of each other

So your answer is 30 degrees
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Solve 14(0.89)x+4.5 =162
dedylja [7]
So the first thing to do is to simplify both sides of this equation:
<span>12.46x+4.5</span>=162
Next we shall subtract 4.5 from both sides so:
<span>12.46x+4.5−4.5</span>=<span>162−4.5</span>12.46x=<span>157.5
</span>Now that we are done with all those steps now here is the final steps so now we shall divide both sides by 12.46:
<span><span><span>12.46x/</span>12.46 </span>= <span>157.5/<span><span>12.46
</span>Ok so your final answer shall be:
</span></span></span>x=<span>12.640449
</span>I hope this helps you greatly!
6 0
3 years ago
Read 2 more answers
What amount of heat is required to raise the temperature of 5 kg of water through 20° c?<br>​
allochka39001 [22]

Answer:

420,000 J/Kg

Step-by-step explanation:

energy= temperature change* mass* specific heat capacity

energy= 20*5*4200

energy= 420,000

7 0
2 years ago
Given that 2^x=7 then what is 4^x-1
Sergeu [11.5K]
4^x=2×2^x=2×7=14
4^x-1=14-1=13
4 0
3 years ago
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Solve the following equation: 12 x three eighths PLS HELPPP THIS IS THE 2ND TIME ASAP
mr_godi [17]

Answer:

12*3/8 we just turn the 12 into a improper fraction and multiply the top and the bottom with 3/8 top and bottom so

12/1*3/8

12*3=36

1*8=8

so 36/8 the answer is

D

Hope This Helps!!!

8 0
3 years ago
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Use the counting principle to determine the number of elements in the sample space. The possible ways to complete a multiple-cho
nadezda [96]

Answer:

The correct answer is 4294967296 possible ways to complete such a test.

Step-by-step explanation:

Step 1

The first step is to define the fundamental principle of counting. The fundamental principle of counting states that if a process can be carried out in n steps, where there are n_1  ways to complete the first step, n_2 ways to complete the second step, n_3, and n_k ways to complete the k^{th} step, this process can be carried out in  n_1\times n_2\times n_3\times ...\times n_k ways.

Step 2

We use the fundamental principle of counting with n=4 for a total of k=16 steps.  This test can be carried out in 4^{16}=4294967296 ways. This comes from multiplying 4 by itself 16 times.

3 0
3 years ago
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