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snow_lady [41]
3 years ago
10

Thirteen less than the sum of a number and 7 is -30. Find the number

Mathematics
1 answer:
Verizon [17]3 years ago
3 0

Answer:

do the opposite of the equation so adding is subtracting and multiplying is dividing

-30-7=-37

-37+13=-24

-24 is the answer

-24+7=-17-13=-30

Hope this helps

Step-by-step explanation:

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Jonathan buys two baseball bats for $43 each they are on sale for 45% off he also bought a glove that was originally priced at 2
vladimir2022 [97]

Hi There!

-----------------------------------------------------

Baseball Bats:

43 x 0.45 = $19.35 as the amount off.

43 - 19.35 = $23.65 with the discount.

23.65 x 2 = $47.3 for two bats.

-----------------------------------------------------

Glove:

28 x 0.25 = $7 as the amount off.

28 - 7 = $21 with the discount.

-----------------------------------------------------

Together:

21 + 47.3 = $68.3 as the total before taxes.

-----------------------------------------------------

With Taxes:

68.3 x 0.055 = $3.7565 as the tax amount.

68.3 - 3.7565 = $64.5435

-----------------------------------------------------

Answer:

Not Rounded: $64.5435

Rounded: $64.54

-----------------------------------------------------

Hope This Helps :)

3 0
3 years ago
Determine the intercepts of the line. <br> x-intercept ( , ) <br> y-intercept ( , )
aliya0001 [1]

Answer:

y-100

x-250

Step-by-step explanation:

because the lines are insecting the other lines on that line

3 0
3 years ago
A jar of peanut butter contains 454 g with a standard deviation of 10.2 g. Find the probability that a jar contains more than 46
Fofino [41]

Answer:

The probability that a jar contains more than 466 g is 0.119.

Step-by-step explanation:

We are given that a jar of peanut butter contains a mean of 454 g with a standard deviation of 10.2 g.

Let X = <u><em>Amount of peanut butter in a jar</em></u>

The z-score probability distribution for the normal distribution is given by;

                                Z  =  \frac{X-\mu}{\sigma}  ~ N(0,1)

where, \mu = population mean = 454 g

           \sigma = standard deviation = 10.2 g

So, X ~ Normal(\mu=454 , \sigma^{2} = 10.2^{2})

Now, the probability that a jar contains more than 466 g is given by = P(X > 466 g)

            P(X > 466 g) = P( \frac{X-\mu}{\sigma} > \frac{466-454}{10.2} ) = P(Z > 1.18) = 1 - P(Z \leq 1.18)

                                                                  = 1 - 0.881 = <u>0.119</u>

The above probability is calculated by looking at the value of x = 1.18 in the z table which has an area of 0.881.

4 0
3 years ago
Which is greatest to least 1.001, 1.1,1.403, 1.078
Viktor [21]
1)    1.403

2)    1.1

3)    1.078

4)    1.001

HOPE THIS HELPED :)
4 0
3 years ago
Read 2 more answers
The perimeter of a rectangular field is 328 yards. If the length of the field is 89 yards, what is its width?
miv72 [106K]

<u>Set up an equation based on the information given</u>

89 + 89 + x + x = 328

<u>Combine like terms</u>

89 + 89 = 178

x + x = 2x

2x + 178 = 328

<u>Solve</u>

2x + 178 = 328

328 - 178 = 150

2x = 150

x = 75

Answer

The width of the rectangular field is 75 yards.

7 0
3 years ago
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