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3 years ago

What is 4.875 expanded into fractions

1 answer:

7 0

to convert any decimal to a fraction, we simply use "as many zeros on the denominator as there are decimals, and lose the dot above", so 4.875 has three decimals, so let's put three zeros below it then.

$\bf 4.\underline{875}\implies \cfrac{4875}{1\underline{000}}\implies \stackrel{simplified}{\cfrac{39}{8}}\implies 4\frac{7}{8}$

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Simplify the expression: -18/2+ 9 x 6 A.)63 B.)63 C.)45 D.)45

Liula [17]

Answer: =9x^6−9

Step-by-step explanation:

Let's simplify step-by-step.

−18/2+9x^6

=−9+9x^6

6 0

3 years ago

suppose an architect draws a segment on a scale drawing with the end points (0,0) and (3/4,9/10). the same segment on the actual

dlinn [17]

Let the segment be represented by AB where A(0,0) = $A(x_{1}, y_{1})$ and B(3/4,9/10) = $B(x_{2}, y_{2})$ .

The length of the segment drawn by architect can be calculated using distance formula:

AB = $\sqrt{}( x_{2}- x_{1})^ {2} + (y_{2}- y_{1})^ {2}$

$AB=\sqrt{(3/4-0)^{2}+(9/10-0)^{2}$

$AB=\sqrt{9/16+81/100} \\$

$AB = (6\sqrt{61})/40$

Similarly, Let the actual end points of segment be AC where A(0,0) = $A(x_{1}, y_{1})$ and C(30,36) = $C(x_{2}, y_{2})$ .

The length of the original segment can be calculated using distance formula:

AC = $\sqrt{}( x_{2}- x_{1})^ {2} + (y_{2}- y_{1})^ {2}$

$AC=\sqrt{(30-0)^{2}+(36-0)^{2}$

$AC=\sqrt{900+1296} \\$

$AC = (6\sqrt{61})$ .

Thus, the actual length is 40 times the length of the segment drawn by the architect.

Thus, the proportion of the model is 1:40

4 0

3 years ago

Read 2 more answers

You take out a bagel and place it in the toaster for 5 minutes the toaster uses 1050 watts/hour

Veronika [31]

If the power consumption is linear, then the toaster consumed 1050*(5/60)=87.5 watts.

3 0

3 years ago

Anna got 45 answers correctly out of an unknown number of questions

gizmo_the_mogwai [7]

Answer:

The answer for this problem would be 50.

Step-by-step explanation:

If you calculate 90% of 50, you should get 45 so, the answer is 50.

8 0

3 years ago

Function f is a continuous linear function. over which interval of the domain is function f positive?

frez [133]

Answer: -infinity, 3

Step-by-step explanation:

8 0

3 years ago