All categories

3 years ago

If m A= m B and m A+mC = D, then

Mathematics

1 answer:

rusak2 [61]3 years ago

3 0

Answer: Substitution

Step-by-step explanation:

Because you know A is equal to B, you can substitute A for B in any mathematical equation. Essentially, you are switching mA $ mB.

You might be interested in

Write each percent as a fraction in simplest form and as a decimal to the nearest hundredth.

Vladimir79 [104]

$p\%=\dfrac{p}{100}=p:100$

$1.\ 30\%=\dfrac{30}{100}=\dfrac{3}{10}\\\\30\%=30:100=0.3\\\\2.\ 42\%=\dfrac{42}{100}=\dfrac{42:2}{100:2}=\dfrac{21}{50}\\\\42\%=42:100=0.42\\\\3.\ 18\%=\dfrac{18}{100}=\dfrac{18:2}{100:2}=\dfrac{9}{50}\\\\18\%=18:100=0.18$

$4.\ 35\%=\dfrac{35}{100}=\dfrac{35:5}{100:5}=\dfrac{7}{20}\\\\35\%=35:100=0.35\\\\5.\ 100\%=\dfrac{100}{100}=\dfrac{1}{1}=1\\\\100\%=100:100=1.0\\\\6.\ 29\%=\dfrac{29}{100}\\\\29\%=29:100=0.29$

$7.\ 56\%=\dfrac{56}{100}=\dfrac{56:4}{100:4}=\dfrac{14}{25}\\\\56\%=56:100=0.56\\\\8.\ 66\dfrac{2}{3}\%=\dfrac{66\cdot3+2}{3}\%=\dfrac{200}{3}\%\\\\\dfrac{200}{3}\%=\dfrac{\frac{200}{3}}{100}=\dfrac{200}{3\cdot100}=\dfrac{2}{3}\\\\\dfrac{200}{3}\%=\dfrac{200}{3}:100=66.666...:100=0.666...\approx0.67\\\\9.\ 25\%=\dfrac{25}{100}=\dfrac{25:25}{100:25}=\dfrac{1}{4}\\\\25\%=25:100=0.25$

4 0

3 years ago

An architect is designing a department store. She wants to add an escalator. She knows that the escalator will make a 30° angle

kifflom [539]

The distance a person would travel on the escalator stairs is 72 ft.The horizontal length needed is approx. 62.35, but in simpliest radical form it's 36√3! Good luck!!!!!!!!!!! <3

7 0

3 years ago

Solve : <br>4² ( 4³ )<br>with work shown

stepan [7]

Answer:

1024

Step-by-step explanation:

4²(4³)

4×4(4×4×4)

16(16×4)

16(64)

16×64

=1024

7 0

3 years ago

_________ integers are natural numbers. 1.) some 2.) all 3.) no

Marina CMI [18]

Answer:

1.) Some

Step-by-step explanation:

Natural numbers do not contain negative numbers, but they do contain whole numbers like 1, 2, 3. So your answer would be some.

6 0

3 years ago

Two number cubes are rolled.

Olegator [25]

Cubes have 6 numbers
3 odd, 3 even

probablity=desiredoutcome/totalpossibleoutcomes
there are 6 total desired outcomes (3 on each cube)
total possible, there are 6*6 or 36 total possible outcomes
so 6/36 or 1/6 chance

3 0

3 years ago

Read 2 more answers