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Alja [10]
4 years ago
11

Write 3 numbers less than 50 that have exactly 3 factors

Mathematics
1 answer:
tino4ka555 [31]4 years ago
6 0

Answer:

10,20,40

Step-by-step explanation:

They all have a factor of 2,10, and 1

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there were 48 females and 60 males present at the high school per rally. Find the ratio of the males to the total number of peop
Tasya [4]

Answer:

  5/9

Step-by-step explanation:

  total present = males + females = 60 + 48 = 108

The desired ratio is ...

  males/total present = 60/108 = 5/9

7 0
3 years ago
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June and Stella can each create six floral arrangements in one hour. If they take in 372 Valentineâs Day orders, how many hours
sesenic [268]

Answer:

31 hours

Step-by-step explanation:

June and Stella can create 6 floral arrangements in one hour.

They take in 372 Valentine's Day order

No of hours = orders / (June's rate + Stella's rate)

June's rate = 6 arrangements / hour

Stella's rate = 6 arrangements / hour

June's rate + Stella's rate = 2(6 arrangements /hour)

= 12 arrangements / hour

No of hours = 372 arrangements / 12 arrangements / hour

= 31 hours

June and Stella have 31 hours to fulfill the 372 Valentine's Day order

8 0
3 years ago
Triangle ABC was dilated and translated to form similar triangle A'B'C'.
Gelneren [198K]
By the word "dilation" we mean to say that the new measurement of the sides of the triangle A'B'C' is increased by a factor from the original measurement. To determine the scale factor of the dilation, we can divide the measurement of the sides of the new triangle by the measurement of the sides of the old one. 
                           dilation factor = A'/A = B'/B = C'/C

8 0
4 years ago
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What is 3n+1 50th term?
Fofino [41]
1<span>, 4, 7, 10 is a sequence starting with </span>1<span>. You get the next </span>term<span> by adding 3 to the previous </span>term. You are often asked to find a formula for the nth term<span>. As the common difference is 3, try </span>3n<span>. When n = </span>1<span>, </span>3n<span> = 3, and we subtract 2 to make the first </span>term<span> correct.</span>
4 0
3 years ago
Can someone help me with this?<br> Find the roots of -x^2-20=-x^4
Degger [83]

The roots are x=2 i, x=-2 i, x=\sqrt{5}, x=-\sqrt{5}

Step-by-step explanation:

The equation is -x^{2} -20=-x^{4}

Switch sides, we get,

-x^{4}=-x^{2} -20

Adding both sides by 20, we get,

-x^{4}+20=-x^{2}

Adding both sides by x^{2},

-x^{4}+x^{2}+20=0

To solve this equation, let us assume u=x^{2} and u^{2}=x^{4}

Thus, rewriting this equation,

-u^{2} +u+20=0

Using quadratic formula, we get the value of u.

\begin{aligned}&u=\frac{-1 \pm \sqrt{1-4(-1)(20)}}{2(-1)}\\&\begin{aligned}&=\frac{-1 \pm \sqrt{1+80}}{-2} \\&=\frac{-1 \pm \sqrt{81}}{-2} \\u &=\frac{-1 \pm 9}{-2}\end{aligned}\end{aligned}

The variable u has two solutions,

\begin{aligned}u &=\frac{-1+9}{-2} \\&=\frac{8}{-2} \\u &=-4\end{aligned} and \begin{aligned}u &=\frac{-1-9}{-2} \\&=\frac{-10}{-2} \\u &=5\end{aligned}

Since, u=x^{2} and u^{2}=x^{4}

Thus, substituting the u-values, we get,

\begin{aligned}u &=x^{2} \\-4 &=x^{2} \\\sqrt{-4} &=\sqrt{x^{2}} \\\pm 2 i &=x\end{aligned} and \begin{aligned}u &=x^{2} \\5 &=x^{2} \\\sqrt{5} &=\sqrt{x^{2}} \\\pm \sqrt{5} &=x\end{aligned}

Thus, the roots are  x=2 i, x=-2 i, x=\sqrt{5}, x=-\sqrt{5}

5 0
3 years ago
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