3 years ago

Is the decimal for 4/3 repeating decimal

Mathematics

2 answers:

vesna_86 [32]3 years ago

6 0

Answer:

yes

Step-by-step explanation:

inna [77]3 years ago

5 0

Answer:

yes

Step-by-step explanation:

4/3 is equal too 1.3333333333333333333333333333333333333333333333333333 (repeating)

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In a trapezoid with bases of lengths a and b, a line parallel to the bases is drawn through the intersection point of the diagon

Helga [31]

Answer:

$\dfrac{2ab}{a+b}.$

Step-by-step explanation:

Consider the trapezoid ABCD. In this trapezoid BC=a and AD=b.

Since triangles BOC and AOD are somilar, then

$\dfrac{AO}{OC}=\dfrac{DO}{OB}=\dfrac{AD}{BC}=\dfrac{b}{a}.$

Triangles OAE and CAB are similar, then

$\dfrac{EO}{BC}=\dfar{AO}{AC}=\dfrac{b}{a+b}.$

This means that

$EO=\dfrac{ba}{b+a}.$

Similarly, from similar triangles FDO and CDB:

$OF=\dfrac{ba}{b+a}.$

Thus,

$EF=\dfrac{2ab}{a+b}.$

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4 years ago

X^4 + x=0<br> Sole polynomial equation

Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

X^4+x=0

X(X^3+1)=0

X(X+1)(x^2-x+1)=0

X=0, x=-1, x=(1+3^1/2i)x=(1-3^1/2i）

8 0

3 years ago

Are these ratios proportional (which means equal)?

Anni [7]

Answer:

yes

9/17 *4 is 36/68.

so for proportional you need to simplify the other term and if they both result in same then they both are proportional

Step-by-step explanation:

7 0

3 years ago

In 10 mins a heart can beat up to 700 times. At this rate, in how many mins will a heart beat 140 times? At what rate can a hear

Virty [35]

At 2 minutes, the heart would beat 140 times.
700/10=70
140/70=2

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3 years ago

Which of these is the best estimate for 265% of 60?

Yuki888 [10]

The third option.
200% is equal to 2 times the amount, and 65% is just over half. So combined that should be between 2 to 3 times 60.

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3 years ago