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3 years ago

Simplify the expression (-5-c)(-1) 5+c 5-c -5+c -5-c

Mathematics

2 answers:

chubhunter [2.5K]3 years ago

8 0

Answer:

5+c is the sum

suter [353]3 years ago

4 0

The answer is A 5+c
1. You have to remove the parentheses. =-(-5-c)*1
2. Multiply. -(-c-5)
3. Distribute the parentheses. -(-5)-(-c)
4. Apply the minus and plus rule. 5+2

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Solving Exponential and Logarithmic Equations In Exercise, solve for x.<br> 500(1.075)120x = 100.000

Volgvan

Answer:

The solution is:

$x = 0.61$

Step-by-step explanation:

The first step to solve this equation is placing everything with the exponential to one side of the equality, and everything without the exponential to the other side. So

$500(1.075)^{120x} = 100000$

$(1.075)^{120x} = \frac{100000}{500}$

$(1.075)^{120x} = 200$

To find x, we have to apply log to both sides of the equality.

We also have that:

$\log{a^{x}} = x\log{a}$

$\log{(1.075)^{120x}} = \log{200}$

$120x\log{1.075} = 2.30$

$120x*0.03 = 2.30$

$3.77x = 2.30$

$x = \frac{2.30}{3.77}$

$x = 0.61$

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3 years ago

If the circumference of a circle is approximately 50 cm then what is the approximate length of the diameter

madam [21]

What you would need to do is divide by pi

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5 0

3 years ago

jessie estimates the weight of her cat to be 8 pounds the actual weight was 10 pounds. find the percent error

seraphim [82]

Answer: She was off by 25%

Step-by-step explanation: I used proportions to solve this. 100% and 8 are the same because 100% was what she thought the weight of the cat was. So this is one side of the proportion. The other side, we need a variable which is X. X is the unknown percentage. X is equal to 10. I then did 100% x 10 which is 1000 then divided it by 8 which is equal to 125%. 125% - 100% = 25%.

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A cookie factory used 26.1 kilograms of chocolate chips to make 4 batches of cookies. How many kilograms of chocolate chips did

Juliette [100K]

Answer:

There are 6.525 kilograms per batch

Step-by-step explanation:

We can use proportions to solve this problem

26.1 kilograms x kilograms

----------------------- = ---------------------

4 batches 1 batch

Using cross products

26.1 * 1 = 4 * x

Divide each side by 4

26.1 /4 = 4x/4

6.525 kilograms = x

There are 6.525 kilograms per batch

7 0

3 years ago