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umka21 [38]
2 years ago
10

The expression 6(x − 5) means

Mathematics
1 answer:
nordsb [41]2 years ago
4 0

Answer:

6x - 30

Step-by-step explanation:

you do x-5 6 times

it could also be a word explanation

the value of x minus 5 and the result multiplied by 6

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Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth.
Readme [11.4K]
To determine the solution of the quadratic equation, use the quadratic formula which states that,
                                x = ((-b  +/- sqrt (b² - 4ac)) / 2a
From the equation, a = 1, b = 14, and c = 112. Substituting these to the quadratic formula,
                               x = <span>((-14  +/- sqrt (14² - 4(1)(12)) / 2(1) = indeterminate
Thus, the equation does not a real number solution. </span>
6 0
3 years ago
Read 2 more answers
The Royal Fruit Company produces two types of fruit drinks. The first type is 70% pure fruit juice, and the second type is 85% p
djyliett [7]

Let x = amount of 70% juice we use.

Then 60-x = amount of 85% juice we'll use.

We'll set up an equation that is based on how much pure juice comes from each component and how much we need in the final mixture.

So 70% of x plus 85% of (60-x) must equal 80% of 60, or...

    0.7x + 0.85(60-x) = 0.8(60)

    0.7x + 51 - 0.85x = 48

    -0.15x + 51 = 48

    -0.15x = -3

     x = 20

Then 60 - x = 60 - 20 = 40

Check: 70% of 20 pints = 14 pints of pure juice.

            85% of 40 pints = 34 pints of pure juice

            That's 48 pints of pure juice in the mix, which matche 80% 0f 60 pints.

You'd need 20 pints of the 70% juice and 40 pints of the 85% juice.

4 0
2 years ago
A shopper paid ​$11.35 sales tax on an HD video recorder with a purchase price of ​$283.75. Find the sales tax rate.
soldi70 [24.7K]

Answer:

4% tax rate

Step-by-step explanation:

this is bc 11.35/283.75= 0.04. However, we need to convert that into a percent so u get 4%

7 0
3 years ago
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What is 8 - 7x = 1<br>find x​
Natali5045456 [20]

Answer:

x=1

Step-by-step explanation:

5 0
2 years ago
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Cans of frozen orange juice are weighed to ensure they are not underfilled. Cans are independent, and the probability that a can
olga2289 [7]

Answer: 0.999986176

Step-by-step explanation:

To solve this, the probability distribution formula for selection will be used

Where P(x=r) = nCr * p^r * q^n-r

To get the probability that all 3cans are not overfilled, since the probability of success given in the question is that of a can being overfilled, then we will first derive the probability of having exactly 3cans being overfilled and subtract this gotten answer from 1

n= 3, r=3, p=0.024, q=1-0.024=0.976

When, 3 cans are overfilled, P(x=3) becomes:

P(x=3) = 3C3 * 0.024^3 * 0.976^0

P(x=3) = 1 * 0.000013824 * 1

P(x=3) = 0.000013824.

Then, probability that all three cans are not overfilled becomes :

1 - 0.000013824. = 0.999986176,

7 0
3 years ago
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