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3 years ago

A special blend of wild birds because 16.99 for 20 pounds to the nearest penny how much will 50 pounds cost

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

6 0

Answer:

42.475; approximately (42.48)

Step-by-step explanation:

So, first you would need to divide 16.99 by the 20 pounds and then multiply that by the 50 pounds which should give you your total answer. it should look like this:

16.99 divided by 20= 0.8495

0.8495 times 50= 42.475; approximately (42.48)

Hope this helps you out!!! :)

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Simplify the expression. 3 - 4 +7 - 4

Tresset [83]

2
3+7=10
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3 years ago

Solve 4^x-5 = 6 for x using the change of base formula log base b of y equals log y over log b

Ronch [10]

Answer:

$4^x-5=6$ gives the solution $x=\frac{\log(11)}{\log(4)}$ .

$4^{x-5}=6$ gives the solution $x=\frac{\log(6)}{\log(4)}+5$ .

Step-by-step explanation:

I will solve both interpretations.

If we assume the equation is $4^{x}-5=6$ , then the following is the process:

$4^x-5=6$

Add 5 on both sides:

$4^x=6+5$

Simplify:

$4^x=11$

Now write an equivalent logarithm form:

$\log_4(11)=x$

$x=\log_4(11)$

Now using the change of base:

$x=\frac{\log(11)}{\log(4)}$ .

If we assume the equation is $4^{x-5}=6$ , then we use the following process:

$4^{x-5}=6$

Write an equivalent logarithm form:

$\log_4(6)=x-5$

$x-5=\log_4(6)$

Add 5 on both sides:

$x=\log_4(6)+5$

Use change of base formula:

$x=\frac{\log(6)}{\log(4)}+5$

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3 years ago

Create an equation with a solution closest to 0 using digits 1 to 9

steposvetlana [31]

Complete Questions:

Create an equation with a solution closest to 0 using digits 1 to 9

_x + _ = _x + _

Answer:

See Explanation

Step-by-step explanation:

Given

_x + _ = _x + _

Required

Fill in the gap using 1 to 9 to give a result close to 0

First, you have to determine what kind of numbers that are close to 0;

In this case, I'll work with -0.4 to 0.4 because the number in this range approximate to 0;

Next, is to fill in the gaps using trial by error method

5x + 2 = 2x + 3

Checking the above expression

Collect Like Terms

$5x - 2x = 3 - 2$

$3x = 1$

Divide equation by 2

$x = 0.33$ (Approximated)

Another trial is

6x + 8 = 2x + 7

Checking the above expression

Collect Like Terms

$6x - 2x = 7 - 8$

$4x = -1$

Divide equation by 4

$x = -0.25$ (Approximated)

I'll stop here but note that, there are more expressions that can fill in the gaps

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3 years ago

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igomit [66]

MrBillDoesMath!

Discussion:

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3 years ago

A pitcher can throw at a speed of 30 miles per hour. If the pitcher is 60.5 feet from home plate, how many full seconds would it

liubo4ka [24]

Answer:

1.375 seconds

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