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Alex787 [66]
3 years ago
5

Can help me with this please

Mathematics
2 answers:
madam [21]3 years ago
8 0
4:32 is the same as 2:16 and 12:96. A ratio is the same as a fraction, so you can reduce them the same way. 4/2 = 2, 32/2 = 16. 2*6 = 12, 16*6 = 96.

Can you do the second one on your own now?
Yakvenalex [24]3 years ago
6 0
  • Answer:

<em>B) 12 : 96 ; 2 : 16</em>

  • Step-by-step explanation:

<em>4 : 32 = 4⁽²/32 = 2/16 = 2 : 16</em>

<em>⁶⁾2/16 = 12/96 = 12 : 96</em>

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Need this in 3 mins, 30 points, will mark as Brainliest!!!! Solve:
Sergeeva-Olga [200]

Answer:

The missing number is 4

Step-by-step explanation:

Given

21 x 39 x _____ x 19 divided by 12 = 5187

Required

Fill in the gap

Let the missing number be represented with y; So, the expression becomes

\frac{21 * 39 * y * 19 }{12} = 5187

Multiply both sides by 12

12 * \frac{21 * 39 * y * 19 }{12} = 5187 * 12

21 * 39 * y * 19 = 62244

Rearrange the expression on the left hand side

21 * 39 * 19 * y = 62244

15561 * y = 62244

Divide both sides by 15561

\frac{15561 * y}{15561} = \frac{62244}{15561}

y = \frac{62244}{15561}

y = 4

Hence, the missing number is 4

6 0
3 years ago
A student takes several measurements. how can the student determine which measurement is the least percise?
alexdok [17]
The student can compare all the measurements and whichever one is the most different out of all the measurements will be the least precise
7 0
2 years ago
The one is for my younger sis Lindsay has to read a 72-page book in 6 days. If she reads an equal number of pages each day, how
lianna [129]

Answer:

D. she will need to read 12 pages a day

5 0
2 years ago
Read 2 more answers
Which of the following best describes an Euler Path
Ann [662]

Answer:

A path that goes through every EDGE once and starts and ends at different vertices.

Explanation:

A "Euler path" is a trail that is being used in a graph consisting of finite number of edges. It is also known as "Eulerian path." This should be contrasted from the "Euler circuit," for both of their meanings are a bit confusing.

A Euler path only uses every edge of the graph once and it starts and ends at<em> different vertice</em>s. A Euler circuit, on the other hand, uses every edge of the graph exactly once but <em>starts and ends at the same vertex</em>.

So, this explains the answer.

7 0
3 years ago
Find the area of the parallelogram determined by the vectors u(3,2,1) and v= (1,2,3)
anzhelika [568]

Answer:

4\sqrt6 square units

Step-by-step explanation:

We are given that two vectors

u=<3,2,1>

v=<1,2,3>

We have to find the area of parallelogram determined by the given vectors

\vec{u}=3\hat{i}+2\hat{j}+\hat{k}

\vec{v}=\hat{i}+2\hat{j}+3\hat{k}

We know that area of parallelogram determined by two vectors a and b

\mid {a\times b}\mid =\begin{vmatrix}1&j&k\\x_1&x_2&x_3\\x_4&x_5&x_6\end{vmatrix}

Using this formula

\mi{u\times v}\mid=\begin{vmatrix}i&j&k\\3&2&1\\1&2&3\end{vmatrix}

\mid{u\times v}\mid=\mid{\hat{i}(6-2)-\hat{j}(9-1)+\hat{k}(6-2)\mid

\mid{u\times v}\mid=\mid{4i-6j+4k}\mid=\sqrt{4^2+(-6)^2+4^2}=4\sqrt6

Area of parallelogram=4\sqrt6 square units

7 0
3 years ago
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