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Anon25 [30]
2 years ago
15

Hello, I really wants some steps that are simple to solve this problem. I need to find

Mathematics
2 answers:
seraphim [82]2 years ago
7 0
So 13/8 + 13/4
multiply 13/4 times 2
13/8 + 26/8
39/8
this is the simplest form
Oksana_A [137]2 years ago
3 0

Answer:

\frac{13}{8}  +  \frac{13}{4}

\frac{13}{8}  +  \frac{13 \times 2}{4 \times 2}

\frac{13}{8}  +  \frac{26}{8}

\frac{13 + 26}{8}

\frac{39}{8}

hope it helps you :)

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A circle has the center of (1,-5) and a radius of 5 determine the location of the point (4,-1)
Sliva [168]

"determine the location" or namely, is it inside the circle, outside the circle, or right ON the circle?

well, we know the center is at (1,-5) and it has a radius of 5, so the distance from the center to any point on the circle will just be 5, now if (4,-1) is less than that away, is inside, if more than that is outiside and if it's exactly 5 is right ON the circle.

well, we can check by simply getting the distance from the center to the point (4,-1).

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ \stackrel{center}{(\stackrel{x_1}{1}~,~\stackrel{y_1}{-5})}\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{-1})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d = \sqrt{[4-1]^2+[-1-(-5)]^2}\implies d=\sqrt{(4-1)^2+(-1+5)^2} \\\\\\ d = \sqrt{3^2+4^2}\implies d =\sqrt{9+16}\implies d=\sqrt{25}\implies \stackrel{\textit{right on the circle}}{d = 5}

5 0
3 years ago
8.25 × 10–4 in standard form.
Elanso [62]

The 10^-4 means that the decimal point is 4 places to the left of where it is in 8.25 (if the exponent was positive the decimal point would be to the right). If you move the decimal point 4 places to the left you get an answer of 0.000825 which is 8.25 * 10^-4 in standard form.

7 0
3 years ago
What is the answer to 1/4+1/2
Bas_tet [7]

Answer:

0.75

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Carlos spent 1 1/4 hours doing his math homework. He spent 1/4 of his time practicing his multiplication facts.How many hours di
tamaranim1 [39]
Idk think its 10/4 and simplfy it to 1 and 2/4 1 2/4
3 0
3 years ago
Read 2 more answers
Sara is a drummer in her school is marching band she wants to make a geometrically similar model of a snare drum for her stuffed
strojnjashka [21]

Answer:

Option B.

Step-by-step explanation:

Let the radius of the snare drum = r

and radius of the model = R

Ratio of the dimensions of the snare drum and the model = 1 : 4

So, \frac{r}{R}=\frac{1}{4}

Now as per question, dimensions of the snare drum is multiplied by a scale factor of \frac{1}{2}

Radius of the snare drum = \frac{r}{2}

Ratio of the radius of the snare drum and cylindrical model ,

\frac{\frac{r}{2}}{R} =\frac{1}{4}

\frac{r}{2R}=\frac{1}{4}

\frac{r}{R}=\frac{1}{2}

Therefore, the cylinder with Sara's dimensions will be geometrically similar but the scale factor will be 1 : 2

Option B is the answer.

6 0
3 years ago
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