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suter [353]
2 years ago
14

Look at the following sum. 1 + 1⁄2 + 1⁄4 + 1⁄8 + 1⁄16 + 1⁄32 + 1⁄64. . . Notice that the denominator of each fraction in the sum

is twice the denominator that comes before it. If you continue adding on fractions according to this pattern, when will you reach a sum of 2?
Mathematics
1 answer:
Alex17521 [72]2 years ago
7 0
Use the butterfly methods
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Find the value of x<br> .<br><br> 12.5,−10,−7.5,x<br> ; The mean is 11.5<br> .
fomenos
There are four values, including the unknown value x. The sum of the four values is the given value of the mean, 11.5, multiplied by four. Let S be the sum of the four values. Then we can write:
S=11.5\times4=46

46=12.5 + (-10)+(-7.5)+x
x = 46 + 5 = 51
The answer is: The value of x is 51.

4 0
2 years ago
Si un conductor llena su tanque con $600 y recorre 250 kilómetros, ¿Cuántos kilómetros podrá recorrer con $350 de combustible? (
LekaFEV [45]

Answer:

145.83 kilómetros.

Step-by-step explanation:

Si un conductor llena su tanque con $600 y recorre 250 kilómetros, para determinar cuántos kilómetros podrá recorrer con $350 de combustible se debe realizar el siguiente cálculo:

600 = 250

350 = X

350 x 250 / 600 = X

87,500 / 600 = X

145.83 = X

Así, con $350 de combustible se podrán recorrer 145.83 kilómetros.

4 0
2 years ago
Solve for z a(t+z)=45z+67
ladessa [460]
Solve for z a(t+z)=45z+67
1. Expand
at+az=45z+67

2. Subtract at from both sides
az=45z+67-at

3. Subtract 45z from both sides
az-45z=67-at

4. Factor out the common term z
z(a-45)=67-at

5. Divide both sides by a - 45
z= \frac{67-at}{ya-45}

Answer: 
z= \frac{67-at}{a-45}
6 0
2 years ago
Read 2 more answers
An experiment was done to look at the positive arousing effects of imagery on different people. A sample of statistics lecturers
statuscvo [17]

Answer:

The Three way mixed ANOVA

Step-by-step explanation:

The Three factor repeated measures ANOVA analysis otherwise referred to as the Three way mixed ANOVA should be used for the analysis.

This is because we are comparing three independent variables in the context.

• People type (statistic lectures and students)

• Imagery type (positive, neutral and negative imagery)

• Repeated measure: Before and After images shown

• Measuring the dependent variable positive arousal as shown in the table attached to the answer.

After going through the table attached you will see that there should be performed a three factor repeated measures ANOVA analysis.

5 0
2 years ago
Match with the sum of the monomial and binomial
Margarita [4]

Answer:

The answer to your question is below

Step-by-step explanation:

Just cancel the parentheses and simplify

                   Result                            Addition

                5xy² + 2x²y     ⇒                (5xy² - x²y) + 3x²y = 5xy² + 2x²y        

               -3x²y - 2xy²      ⇒                 x²y + (-2xy² - 4x²y) = -3x²y - 2xy²

                3x²y - 2xy²      ⇒               2x²y + (x²y - 2xy²) = 3x²y - 2xy²

                5x²y + xy²        ⇒                4x²y + (x²y + xy²) = 5x²y + xy²

5 0
2 years ago
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