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GaryK [48]
3 years ago
14

Solve the following 1/2a + b If a=10 b = 7 *

Mathematics
2 answers:
Westkost [7]3 years ago
4 0

Answer:

12

Step-by-step explanation:

1/2a+b=

1/2*10 + 7 =

5+7= 12

olga_2 [115]3 years ago
3 0

Answer:

1/2 × 10 + 7

=5+7

=12

..................

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Anyone know the answer?
Alborosie

Step-by-step explanation:

{9}^{ \frac{ - 1}{2} }  \\  {3}^{2 \times  -  \frac{1}{2} }  \\  {3}^{ - 1}  \\  \frac{1}{3}

Now for another

{27}^{ \frac{ - 2}{3} }  \\  {3}^{3 \times  \frac{ - 2}{3} }  \\  {3}^{ - 2} \\   \frac{1}{9}

Hope it will help :)❤

7 0
3 years ago
Erica babysits for 4.5 hours and is paid $27. If the people she babysits for have $34 to pay her, how long can they stay out?
Zigmanuir [339]

Answer:

5 2/3 hours  

Step-by-step explanation:

We can use a ratio to solve this problem

hours over money


4.5 hours         x hours

-------------    =  ------------

27 dollars        34 dollars


Using cross products

4.5 * 34 = 27 * x

153 =27x

Divide each side by 27

153/27 = 27x/27

5.666666 hours




3 0
4 years ago
Mr jumbo borrowed 4000 Naira from a bank he agrees to pay the money back after two years with an interest of 9% per annum how mu
Zarrin [17]

Answer:

180.oo

Step-by-step explanation:

4000x2x9

20x9

180

8 0
3 years ago
Pieter wrote and solved an equation that models the number of hours it takes to dig a well to a level of 72 feet below sea level
lord [1]

Answer:

It must be a positive number since it represents a number of hours.

Step-by-step explanation:

Given Pieter's equation :

7h – 5(3h – 8) = –72

Opening up the bracket

7h - 15h + 40 = - 72

7h - 15h = - 72 - 40

-8h = - 112

Divide both sides by -8

-8h / -8 = - 112 / - 8

h = 14

Since, h represents the number of hours, and the value of h equals 14 (h cannot be negative), hence, option 2 is correct.

5 0
3 years ago
Aaron is 63 inches tall. In order to ride a roller coaster at an amusement park, a person must be 5 feet tall. Is Aaron tall eno
ankoles [38]

Answer: Tina is correct

Step-by-step explanation:

this is because in one foot there are 12 inches and there are 5 feet so 5 X 12= 60 and aaron is 63inches so he is tall enough and 63-60=3 inches so he is 3 inches taller than 5 feet.

Pls give me brainliest!!!

8 0
3 years ago
Read 2 more answers
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