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Artist 52 [7]
3 years ago
11

Show work please I need help asap

Mathematics
1 answer:
rosijanka [135]3 years ago
5 0

Answer:

12. -11

13. 2

Step-by-step explanation:

12. First recall the order of operations (BEDMAS): Brackets, Exponents, Division, Multiplication, Addition, Subtraction

For question 12 there is a division and its priority is before other operations in the equation so you must divide 16/-2 first which gives you -8.

From there because addition and subtraction is on the same level of order, you would do the question straight as it is shown (but replace 16/-2 with -8.

Your new equation is -10-8+7 = -11

13. follow the same as above using BEDMAS. It may help to look at it with additional brackets: ((-68)/(-4)) + ((5 x (-3))

  • keep in mind there’s an addition between the two

Division and multiplication is on the same level in BEDMAS so first divide -68/-4 = 17

Second multiply 5 x -3 = -15

Now you can combine the two answers using addition: 17 + (-15) = 2

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stiv31 [10]
It is 1/2 because Ik it is
5 0
3 years ago
The heights of women aged 20 – 29 in the United States are approximately Normal with mean 64.2 inches and standard deviation 2.8
Bumek [7]

Answer: 0.64

Step-by-step explanation:

Given : The heights of women aged 20 – 29 in the United States are approximately Normal with \mu=64.2 inches and \sigma=2.8 inches.

Let x denotes the height of women.

Since 1 feet = 12 inches

5.5 feet = 5.5\times12=66 inches

Then, the z-score corresponds to x=66 inches will be :-

z=\dfrac{66-64.2}{2.8}=0.642857142857\approx0.64

Hence, the z ‑score for a woman 5.5 feet tall = 0.64

8 0
4 years ago
Miguel earns $490 a week, and he works 5 days a week. What is his daily wage? A. $495 B. $485 C. $70
aev [14]

Answer:

Option (C) Miguel's daily wage=$70

Step-by-step explanation:

This can be expressed as;

Total amount a week=Amount he earns per day×number of days he works in a week

where;

Total amount a week=$490

Amount her earns per day=x

Number of days in a week=7 days, since wages are paid weekly even on days that Miguel does not go to work, like weekends.

replacing;

490=x×7

x=490/7

x=70

Miguel's daily wage=$70

5 0
4 years ago
Read 2 more answers
In parallelogram STUV, find the m∠TUV.
Rina8888 [55]

Answer: Angle TUV = 57 degrees

Explanation:

The diagram shows Angle TSV = 57 degrees.

Opposite angles of any parallelogram are always congruent, so angle TUV is equal to angle TSV. This makes angle TSV to be 57 degrees. The other values are not needed.

6 0
3 years ago
What will be the value of the constant term when the function f(x) = 2x^2 -16x +10 is in vertex form?
777dan777 [17]

Answer:

(4,-22)

Hope this helps!

3 0
3 years ago
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