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Lilit [14]
3 years ago
13

The beginning of the week Joshua had $356 in a savings account at the end of the week he had only $123 in his savings account ri

ght and solve an equation to find amount of money that goes with being during the week
Mathematics
1 answer:
zavuch27 [327]3 years ago
5 0

Answer:

$233

Step-by-step explanation:

$ 356 - $ 123=$ 233

it's basically simple subtracting

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Suppose compact fluorescent light bulbs last, on average, 11,500 hours. The distribution is normal and the standard deviation is
juin [17]

Answer:

2.275%

Step-by-step explanation:

The first thing to do here is to calculate the z-score

Mathematically;

z-score = (x-mean)/SD

from the question, x = 12,300 hours , mean = 11,500 hours while Standard deviation(SD) = 400 hours

Plugging the values we have;

z-score = (12,300-11,500)/400 = 800/400 = 2

Now, we want to calculate P(z ≤ 2)

This is so because we are calculating within a particular value

To calculate this, we use the z-score table.

Mathematically;

P(z ≤ 2) = 1 - P(z > 2) = 1 - 0.97725 = 0.02275

To percentage = 2.275%

6 0
3 years ago
An ice cream factory makes 29 quarts of ice cream in 5 hours. How many quarts could be made in 48 hours ? What was that rate per
Vadim26 [7]

We can easily get the quarts per hour rate by dividing the number of quarts by the number of hours:

\text{29 quarts in 5 hours} \implies \dfrac{29}{5} = 5.8 \text{ quarts in 1 hour}

Now that we have the quarts per hour rate, we can easily address the question: the factory could make

5.8\cdot 48 = 278.4

quarts in 48 hours, with a daily rate of

5.8\cdot 24 = 139.2

quarts per day

6 0
3 years ago
Read 2 more answers
What is the solution to this equation?
Vinvika [58]

x+19= 26

x+19-19= 26-19

x= 7

Check answer by using substitution method

x+19= 26

7+19= 26

26= 26

Answer is x= 7 (D.)

8 0
4 years ago
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The graph of f(x)=1/4(4)
kaheart [24]
1/4(4) goes on the y axis 
8 0
3 years ago
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8 Graph the equation y = –20x + 500.
Tomtit [17]

Answer:

Step-by-step explanation:

you have to plot the y-intercept first so since we know that the y-intercept is 500 from the y=mx+b format, you have to plug in (0,500). Then, we use the slope or the m provided in the equation with is -20. This means you have to go down 20, and right 1 since it is -20/1 or 20 down and 1 run. then you just connect the dots to finish your line.

7 0
2 years ago
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