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Novosadov [1.4K]
3 years ago
9

Evaluate the expression 9 + (7 - 4)2 ÷ 3. 3 6 12 18

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0

Answer:

the answer is 11

almond37 [142]3 years ago
3 0

Step-by-step explanation:

9 + (7 - 4)2 / 3

= 9 + (3)2 / 3

= 9 + 6 / 3

= 9 + 2

= 11.

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*Hana purchased 2 pairs of pants for $26.59 each and a coat for $49. She used a coupon that saved her $10. The sales tax for the
Verizon [17]

Answer:

$100.02

Step-by-step explanation:

*Sales tax is always applied after the discount/coupon

1. Find how much Hana had spent on pants. Since she had bought 2 pairs of pants, and they are $26.59 <u>each,</u> we would have to multiply 26.59 by 2. So,

26.59 times 2 is 53.18.

Hana spent $53.18 on pants

2. Find how much Hana had spent on a coat. Since she had bought 1 coat, and they are $49.00 <u>each,</u> we would have to multiply 49.00 by 1. So,

49.00 times 1 is 49.

Hanna spent $49 on coats

3. Find how much Hana spent on clothes. Since she spent $53.18 on pants and $49 on coats, we would have to add 53.18 and 49. So,

53.18+49=102.18

Hanna spent $102.18 on clothes

4. Find how much Hana "spent" after using the coupon. Since the problem says the coupon helps Hana <u>save</u> $10, we need to subtract 10 from 102.18(the total amount of money Hana spent on clothes before using the coupon). So,

102.18-10=92.18

Hanna "spent" $92.18 on clothes after using the coupon

5. Find how much was the total purchase. Sales Tax is the amount of money that needs to be <u>added</u> to the price. Since the price is $92.18 and the sales tax is $7.84, we need to add 7.84 to 92.18. So,

7.84+92.18=100.02

The total purchase is $100.02

5 0
3 years ago
A roller coaster’s height is given by the equation h = –.025t2 + 4t + 50, where t represents the time in seconds. How long will
Semenov [28]

It will take the roller coaster 171.652 seconds to pass over the hill and reach ground level

<h3>How to determine the time to hit the ground?</h3>

The function is given as:

h = –.025t^2 + 4t + 50

Set h = 0.

So, we have:

–.025t^2 + 4t + 50 = 0

Using a graphing calculator, we have:

t = -11.652 and t = 171.652

Time cannot be negative.

So, we have:

t = 171.652

Hence, it will take the roller coaster 171.652 seconds to pass over the hill and reach ground level

Read more about quadratic functions at:

brainly.com/question/27958964

#SPJ1

5 0
2 years ago
Which of the following expressions are equivalent to 2(x + 5) + 6(x + 5) ?
Nookie1986 [14]

Answer:

A) 8x+40

Step-by-step explanation:

2(x + 5) + 6(x + 5) =

2x + 10 + 6x + 30 =

8x + 40

3 0
2 years ago
Read 2 more answers
Angle 1 and 2 are complimentary.
frutty [35]

Answer:

x = 15

Step-by-step explanation:

<u>If angles are complimentary, they add up to 90 degrees</u>

<u />

<u>Step 1:  Make an equation</u>

<em>x + (3x + 30) = 90</em>

<em />

<u>Step 2:  Solve for x</u>

x + (3x + 30) = 90

x + 3x + 30 = 90

4x + 30 - 30 = 90 - 30

4x / 4 = 60 / 4

<em>x = 15</em>

<em />

Answer:  x = 15

4 0
3 years ago
Read 2 more answers
Match each concept with its key characteristic.
Crank

1. It is the subset of a group  - Group sample.

2. It equally favors all members of a group sample   - Random sample.

3. It collects data on members of a group  -  Survey.

4. It does not equally favor all members of a group - Biased sample.

5. It includes all members of a group   -  Population.

6. It analyzes data collected from a group - Mean.


I have matched all concepts in accordance with statistical use, hope it helps.


6 0
4 years ago
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