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olya-2409 [2.1K]
3 years ago
5

please, someone, help me with math I really need help if ur willing to help me with full calculations please please reply!!

Mathematics
1 answer:
konstantin123 [22]3 years ago
8 0

Answer:

sure!

Step-by-step explanation:

what is the problem you need an answer for?

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3 sides of the triangle are distinct prime numbers. What is the smallest possible perimeter of the triangle ?
Sladkaya [172]

Answer:

15

Step-by-step explanation:

1 is neither prime nor composite

2 is the smallest prime

3 is the next smallest prime

5 is the next smallest

but 2,3,5 do not make a triangle

The third side must be smaller than the sum of the other two

2+3 <5 not equal to

7 is the next prime

3,5,7 are the three sides of the triangle

P = 3+5+7

P = 15

7 0
4 years ago
What is 0.684 divided by 18
almond37 [142]
.038 would be the correct answer!
3 0
3 years ago
Read 2 more answers
Explain why the equation 5|x|-7=7 has only one solution.
son4ous [18]

According to the condition, this equation has <u>two</u> solutions: -14/5 and 14/5.

Short explanation:

5|x|=14; ⇔ |x|=14/5; ⇒

\left[\begin{array}{ccc}x= -\frac{14}{5} \\x= \frac{14}{5} \\\end{array}

PS. it's correct, if to substitute the values of 'x' into the condition/equation.

3 0
3 years ago
A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18. a. What is th
shutvik [7]

Answer:

The  height of the density function is \frac{1}{22}

Step-by-step explanation:

Given : A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18.

To find : What is the height of the density function f(x)?

Solution :

According to question,

The height of the density function is given by,

f(X)=\frac{1}{b-a}

Where, a is the lower bound a=-4

b is the upper bound b=18

Substitute the value in the formula,

f(X)=\frac{1}{18-(-4)}

f(X)=\frac{1}{18+4}

f(X)=\frac{1}{22}

Therefore, The  height of the density function is \frac{1}{22}

5 0
3 years ago
Read 2 more answers
Rachel is collecting donations for the local animal shelter. So far she has collected $245, which is 70% of what she hopes to co
Nata [24]

Answer:

The money Rachael plan to collect for the shelter is <u>$350</u>.

Step-by-step explanation:

Given:

Rachel is collecting donations for the local animal shelter.

So far she has collected $245, which is 70% of what she hopes to collect.

Now, to find the money Rachael plan to collect for the shelter.

Let the total amount Rachael plan to collect be x.

Amount she collected = $245.

Percentage of amount she collected = 70%.

Now, to get the amount Rachael plan to collect we put an equation:

70\%\ of\ x=\$245.

⇒ \frac{70}{100} \times x=245

⇒ 0.70\times x=245

⇒ 0.70x=245

<em>Dividing both sides by 0.70 we get:</em>

⇒ x=\$350.

Therefore, the money Rachael plan to collect for the shelter is $350.

4 0
4 years ago
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