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emmasim
8 days ago
12

What values of b satisfy 4(3b + 2)2 = 64?

Mathematics
1 answer:
lawyer [4K]8 days ago
8 0
Starting with the equation 4(3b + 2)² = 64, if we divide both sides by 4 we obtain (3b + 2)² = 16. By taking the square root of both sides, we derive two cases: (3b + 2) = 4 and (3b + 2) = -4. Solving each equation for b yields: 3b = 2 or 3b = -6, leading to b values of 2/3 and -2. Ultimately, the results specify that b = 2/3 and b = -2.
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Otto used 6 cups of whole wheat flour and x cups of white flour in the recipe. What is the equation that can be used to find the
tester [3938]
The recipe uses x cups of white flower together with 6 cups of wheat flower.

Therefore, the combined quantity of flower equals x+6

If y represents that combined amount, the equation to write is:
y=x+6

Constraints are as follows:
y can only be \geq 6

Note that if y = 0 then x would have to be -6, which is not possible. 
3 0
15 days ago
Read 2 more answers
A waterbed filled with water has the dimensions 8ft by 7 ft by .75 ft taking the density of water to be 1.00/gm cubed how many k
Svet_ta [4341]

Density can be defined as:

D = \frac{m}{V}

Where:

m is mass

V stands for volume

To isolate the mass, we derive:

m = DV

Volume can be expressed as:

V = (8) * (7) * (0.75)

V = 42ft ^ 3

We then use the following conversion:

1foot = 0.3048m

After applying the conversion, we arrive at:

V = 42 * (0.3048) ^ 3

V = 1.19m ^ 3

Additionally, we have these conversions:

1m = 100cm

1Kg = 1000g

When we apply these conversions for density, we conclude:

D = (1\frac{g}{cm^3})((\frac{100}{1})^3\frac{cm^3}{1m^3})(\frac{1}{1000}\frac{Kg}{g})=1000\frac{Kg}{m^3}

Finally, the mass of the water required is:

m = (1000) * (1.19)

m = 1190

Answer:

A total of 1190 kilograms of water is needed to fill the waterbed.

7 0
6 days ago
Which is an x-intercept of the continuous function in the table?
tester [3938]

Answer:

B. (3, 0)

Step-by-step explanation:

The x-intercept signifies the location on the graph where it intersects the x-axis.

At the x-intercept, y=0 or f(x)=0.

Therefore, you need to examine the table for the instance where f(x)=0.

The value f(x)=0 is found at x=3 in the table.

We express this as an ordered pair.

Hence, the x-intercept is (3,0).

The right option is B.

7 0
9 days ago
Read 2 more answers
For a data set of weights​ (pounds) and highway fuel consumption amounts​ (mpg) of seven types of​ automobile, the linear correl
zzz [4035]

Answer:

The P-value signifies that the likelihood of obtaining a linear correlation coefficient that is as extreme or more extreme is 3.5%, which is considered significant at α=0.05. Thus, we have sufficient evidence to assert that there exists a linear correlation between the weight of automobiles and their highway fuel consumption.

Step-by-step explanation:

The correlation coefficient demonstrates the relationship between the weights​ and highway fuel consumption values across seven distinct types of automobiles.

The P-value expresses the significance of this connection. If the p-value is beneath a significance level (e.g., 0.05), it indicates that the relationship is indeed significant.

5 0
15 hours ago
Suppose the coordinate of a is 0, ar = 5, and at =7. What are the possible coordinates of the midpoint of rt ?
Zina [3917]

Here, 'a' relates to 0.

There are two scenarios for 'r' and 't'.

Scenario 1.

Both are positioned on the same side to the right of 'a'.

In this case, 'r' would equal 5, and 't' would equal 7.

The midpoint between 'r' and 't' is \frac{5+7}{2} =6.

Scenario 2.

If both are found to the left of 'a'.

Then 'r' would equal -5, while 't' would equal -7.

The midpoint is \frac{-7-5}{2} =-6.

Scenario 3.

If 'r' is right of 'a' and 't' is left of 'a'.

Thus 'r' equals 5 and 't' equals -7.

The midpoint is \frac{-7+5}{2}=-1.

Scenario 4.

If 'r' is left of 'a' while 't' is right of 'a'.

In this case, 'r' corresponds to -5 and 't' corresponds to 7.

The midpoint is \frac{-5+7}{2}=1.

The potential midpoint coordinates for 'rt' are 6, -6, 1, and -1.

4 0
1 day ago
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