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3 years ago

A ruler is 12 inches long. What is the length of this ruler in centimeters? Round to the nearest hundredth.

1 answer:

4 0

I do not know but i can give you about 2 - 3 tips.
First get a ruler and figure out how many centimeters are in a inch.
Then you will multiply 12 and how many centimeters are in a inch.
And that is how you will get your answer.

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Explain how to use the midpoint formula to prove or disprove that ABCD is a parallelogram. A) Prove that AC and BD do not have t

ad-work [718]

Prove that AC and BD have the same midpoint. The diagonals of a parallelogram bisect each other; therefore, they have the same midpoint.

5 0

4 years ago

A rental car company chargea a flat daily fee plus a charge for each mile driven. A car rented for 5 days and driven for 300 mil

stellarik [79]

5x + 300y = 178
4x + 500y = 197

Multiply the first equation by 5 and the second equation by -3.

25x + 1500y = 890
-12x - 1500y = -591 Subtract.
------------------------------
13x = 299 Divide.

x = 23.

Solve for y by plugging in 23 for x.

4(23) + 500y = 197

92 + 500y = 197

500y = 105

y = .21

The Daily Fee is $23 and the Charge Fee per mile is $0.21.

3 0

3 years ago

3a+2x-3y=15 Solve for a. Then Solve put the value for a = a+7÷10

erma4kov [3.2K]

$\huge\bf Question:–$

$\sf \longmapsto \: 3a+2x−3y=15$

$\bf \huge \: To \: Find:–$

$\boxed{\bf \: Value\: of \: A}$

$\huge\bf Solution:–$

$\sf \longmapsto \: 3a+2x−3y=15$

$\boxed{ \bf \: Add -2x \: to \: both \: sides}$

$\sf \longmapsto \: 3a+2x−3y+−2x=15+−2x$

$\sf \longmapsto \: 3a−3y=−2x+15$

$\boxed{ \bf \: Add \: 3y \: to \: both \: sides}$

$\sf \longmapsto \: 3a−3y+3y=−2x+15+3y$

$\sf \longmapsto \: 3a=−2x+3y+15$

$\boxed{\bf \: \: Divide \: both \: sides \: by \: 3}$

$\sf \longmapsto \: \dfrac{3a}{3} = \dfrac{−2x+3y+15}{3}$

$\boxed{\bf \: Cross \: Multiply}$

$\boxed{\sf \longmapsto \: a = \dfrac{ - 2}{3} x + y + 5}$

______________________________________

$\bf \: Put\:The\: Value$

$\sf \longmapsto \: \dfrac{−2x+3y+15}{3} +7÷10$

$\boxed{\bf \: Distribute}$

$\sf \longmapsto \: \dfrac{ - 2}{3} x+y+5+ \dfrac{7}{10}$

$\boxed{\bf \: Combine \: Like \: terms}$

$\sf \longmapsto \: \bigg( \dfrac{ - 2}{3} x\bigg) + y +\bigg( 5 + \dfrac{7}{10} \bigg)$

$\sf \longmapsto \: \dfrac{ - 2}{3} x + y + \dfrac{57}{10}$

______________________________________

$\boxed{\bf The Answer\: is:–}$

$\boxed{{\underline{\bf\dfrac{ - 2}{3} x + y + \dfrac{57}{10}} }}$

8 0

3 years ago

Read 2 more answers

C/d+2=f/g solve for c

slavikrds [6]

So if you want to solve for c, the best thing to do is isolate the variable. So I personally don't enjoy dealing with fractions that much until the very end, so I am going to multiple the entire equation by $d*g$ to eliminate the fraction. So now the equation is $cg+2dg=fd$ . In order to isolate the c variable, subtract both sides by $2dg$ , which makes it $cg=fd-2dg$ . Now divide both sides by g, $c=\frac{fd-2dg}{g}$ . So that's what c equals in terms of f, d and g.

3 0

4 years ago

3 3%4×2 4%5 anything with a % in between is a fraction

Andre45 [30]

10 1/2 I am pretty sure its right

8 0

3 years ago