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rosijanka [135]
4 years ago
11

Can someone help solve these please

Mathematics
1 answer:
REY [17]4 years ago
5 0

Answer:

use this website. It saves lives

https://www.math10.com/en/problem-solver/


Step-by-step explanation:


You might be interested in
Each week as part of her workout, Monica walks 0.5 mile, runs 1.6 miles, and then walks 0.75 mile.
jasenka [17]

Answer: 148.20 miles

Step-by-step explanation:

From the question, we are informed that every week as part of her workout, Monica walks 0.5 mile, runs 1.6 miles, and then walks 0.75 mile.

The total miles will Monica walk and run in a year will be calculated as:

Total miles walked in a week = 0.5 + 0.75 = 1.25 miles

Total miles run in a week = 1.6 miles

The total miles Monica walk and run in a year will then be:

= (1.25 + 1.6) × 52

= 2.85 × 52

= 148.20 miles

4 0
3 years ago
Use the properties of exponents to rewrite y=3e^-0.6t in the form y=a(1+r)^t or y=a(1-r)^t. Round the value or r to the nearest
vesna_86 [32]

Answer:

y=3(1-0.451)^t

The value of r is 0.451

The percentage decrease is about 45.1%

Step-by-step explanation:

The given exponential function is y=3e^{-0.6t}

Using the exponent rule, (x)^{ab}=(x^a)^b

y=3(e^{-0.6})^t

Now the value of e^{-0.6}=0.5488

Thus, we can rewrite the function as

y=3(0.5488)^t

Therefore, the function in form y=a(1-r)^t

y=3(1-0.451)^t

The value of r is 0.451

The percentage decrease is about 0.451 ×100 = 45.1%

8 0
4 years ago
Explain why a + b = d.<br> B<br> A<br> C<br> swer
bixtya [17]

Answer:

<em>Explanation below</em>

Step-by-step explanation:

<u>Angles in a Triangle</u>

There are two basic relations of angles we need to recall:

  • Supplementary angles add up to 180°
  • Internal angles of a triangle add up to 180°

Note a, b, and c are the internal angles of the triangle. The angle c is what is needed to a+b to complete 180°, thus:

c = 180 - ( a + b )

Also, note c and d are supplementary angles. Again, c is what is needed to d to complete 180°, thus

c = 180 - d

From the two relations above, it follows that:

a + b = d

4 0
3 years ago
If you take 5 quizzes and get scores of 95%, 95%, 80%, 85%, and 75%, how would you find your mean quiz score?
avanturin [10]

Answer:

The answer is C.

Step-by-step explanation:

Remember, to find the mean of some scores, you must add all the scores together, then you must divide by the number of scores you added. In this case, you would divide by four, because you had four numbers you added to gether.

4 0
3 years ago
Classify 3x5 – 8x3 – 2x2 + 5 by number of terms.
sukhopar [10]
3x^5 - 8x^3 - 2x^2 + 5

ur terms are : 3x^5 and -8x^3 and -2x^2 and 5

so u have a polynomial with 4 terms
8 0
3 years ago
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