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steposvetlana [31]
3 years ago
15

1/8 plus 3/4: plz tell me I need help

Mathematics
2 answers:
xenn [34]3 years ago
6 0
The answer should be 7/8
Anvisha [2.4K]3 years ago
3 0

Answer:

7/8

Step-by-step explanation:

Find the common denominator:

4 and 8 are both the least common multiple of 8.

So that would be the common denominator.

To get 3/4 to become a fraction of 8, you would multiply both 3 and 4 by 2.

\frac{1}{8} + \frac{3}{4} = \frac{1}{8} + \frac{6}{8} = \frac{7}{8}

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Rafael received 5/6 of 180 volts how many votes did he receive
Kruka [31]

Answer:  The answer would be 6

Here is an example:

If you divided 64 by 5/8, then you would get a number larger than 64.

To get the answer, multiply 64 * 5/8. So find what 64*5 is then divide that number by 8. 64*5=320. 8 goes into 32 4 times, so it goes into 320 40 times. So your answer is 40.

Hope this helps,

Please give me Brainliest

6 0
3 years ago
Is the square root of 37 rational or irrational
Mice21 [21]

An irrational numbers are numbers that cannot be expressed as simple fractions.

The square root of 37 is irrational.

Since it cannot be expressed as a simple fraction because if turned into a decimal

\sqrt{37} = 6.08276253

Answer = irrational.


Good Luck! :)

<3


8 0
3 years ago
g Given the system of equations: 15 c1 – 5 c2 – c3 = 2400 - 5 c1 + 18 c2 – 6 c3 = 3500 - 4 c1 - c2 + 12 c3 = 4000 (a) Calculate
denpristay [2]

Answer

(a)

A^{-1} = \frac{1}{3493}  \begin{pmatrix} 210 && -59 && -12 \\ 84 && 176 && 95 \\ 77 && -5 && 295 \end{pmatrix}

(b)

A^{-1} b = \begin{pmatrix} \frac{500}{7} \\\\ \frac{2400}{7} \\\\ \frac{2700}{7} \end{pmatrix}

Step-by-step explanation:

Remember that when you want to solve a problem like this, you express the equation as following

Ax = b

So, if you know the inverse of   A   then

x = A^{-1} b

For this case

A = \begin{pmatrix} 15 &&  5 && -1 \\ -5 && 18 && -6 \\ -4 && -1 && 12  \end{pmatrix}

Now for this case the inverse of A would be

A^{-1} = \frac{1}{3493}  \begin{pmatrix} 210 && -59 && -12 \\ 84 && 176 && 95 \\ 77 && -5 && 295 \end{pmatrix}

Then when you multiply with the vector solution

A^{-1} b =  \frac{1}{3493}  \begin{pmatrix} 210 && -59 && -12 \\ 84 && 176 && 95 \\ 77 && -5 && 295 \end{pmatrix} * \begin{pmatrix} 2400 \\ 3500 \\ 4000 \end{pmatrix} = \frac{1}{3493}  \begin{pmatrix} 249500 \\ 1197600 \\ 1347300 \end{pmatrix}\\\\\\= \begin{pmatrix} \frac{500}{7} \\\\ \frac{2400}{7} \\\\ \frac{2700}{7} \end{pmatrix}

So from that information you can conclude that  the solution to the system of equations is  x = 500/7   y = 2400/7  and z = 2700/7

7 0
3 years ago
Solving a Word Problem
JulijaS [17]

Answer: A quadrilateral has 4 vertices.

Step-by-step explanation:

It is given that Felix is designing a clock on a coordinate grid. He graphs the shape of the clock with the vertices (–8, 6), (8, 0), and (8, 6).

If a polygon as n vertices then it has n sides.

Form the given information it is clear that the design on a coordinate grid has 3 vertices. It means the shape has three sides.

3 0
2 years ago
Read 2 more answers
Last one for today !
RSB [31]
Easy

4 and 1/3+7 and 1/5=4+1/3+7+1/5=4+7+1/3+1/5=11+5/15+3/15=11+8/15=11 and 8/15

answer is D
4 0
3 years ago
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