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Lyrx [107]
3 years ago
14

Why are you allowed to move the decimal points before

Mathematics
1 answer:
Anna [14]3 years ago
6 0

Answer:

If you move the decimal point the same number of places in the dividend and the divisor, you are multiplying them both by the same power of 10. That does not change the quotient

Step-by-step explanation:

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igor_vitrenko [27]

Answer:120

DCA=25+35=60

X=DCA+60=60+60=120

Step-by-step explanation:

5 0
2 years ago
Help me find the area of the question c please
Marysya12 [62]

Answer:

16

Step-by-step explanation:

Shape C is A trapezoid

Area of trapezoid = \frac{a+b}{2} h

where a and b =  base lengths and h = height

The trapezoid has the following dimensions

base 1 = 3 units

base 2 = 5 units

height = 4 units

Using these dimensions we plug in the values into the formula stated above.

A=\frac{3+5}{2} 4\\3+5=8\\\frac{8}{2} =4\\4*4=16

Hence the area of shape C = 16 square units

3 0
3 years ago
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How do graphs help you understand the data?
Juli2301 [7.4K]

Answer:

Sometimes, data can be better understood when presented by a graph than by a table because the graph can reveal a trend or comparison.

8 0
2 years ago
C and ​ ∠D ​ are vertical angles with m∠C=−x+26 and m∠D=2x−10 . What is m∠D ? Enter your answer in the box. ​ °
ANEK [815]
Angle c and angle d are congruent. Congruent means they have the same the measure, or they have EQUAL measures. You set the two values equal to each other and solve for x.
X+26=2x-10 subtract x from both sides
26=x-10 add 10 to both sides
36=x

Now substitute x back in for angle d.
2(36)-10 = 62
4 0
3 years ago
A researcher plans to conduct an experiment to test whether a cup of hot milk at night helps people fall asleep faster than usua
Kitty [74]

Answer:

A cup of hot milk

Step-by-step explanation:

to be able to identify what is an independent or a dependent variable, one must understand the meaning. an independent variable is referred to as something/factors that the researcher can change or what changes on its own. while, dependent variable is what changes as a result of changes in the independent variable. in this situation, the dependent variable is the time it takes for fall asleep.

6 0
3 years ago
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