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Ivenika [448]
3 years ago
9

Find the value of the expression a--b* for a = 2 and b= 1

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
7 0

Answer:

3

Step-by-step explanation:

Given the expression a --b

Given that

a = 2

b = 1

Substitute into the expression

a--b

= 2 --1

= 2 - (-1)

= 2 + 1

= 3

Hence the required value is 3

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A circuit of voltage V volts and resistance R
enot [183]

Answer:a) 3 amp

b) 3 volts

Step-by-step explanation:

As the relationship is given by

V= I*R

a)

I=240/80=3amp

b)

V= 0.6*5 = 3 volts

8 0
4 years ago
2. Bart and Jimmy's Ice Cream Shop are designing a new logo for their company. The logo is shown
Marta_Voda [28]

Answer:

Marie Skłodowska-Curie

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4 0
3 years ago
In a basketball game tamara made 16 out of 20 shots from the free throw line what percent did her shots make
den301095 [7]

Answer:80% of shots

Step-by-step explanation:

Divide 16 and 20 by 2

8 and 10

10 is total and 8 is how much she made therefore 80% of shots were made by Tamara.

7 0
3 years ago
The product of two numbers is 144, but their sum is -24. What are these two numbers?
stepladder [879]

Answer:

The two numbers are - 12 and - 12 .

Step-by-step explanation:

Let the two numbers be x and y then

By the question

x * y = 144

or x = 144 / y ....... I)

Again

x + y = - 24

Or 144/y + y = - 24

or, ( 144 + y²) / y = - 24

or, 144 + y² = - 24y

y² + 24y + 144 = 0

y² + ( 12 + 12 ) y + 144 =0

y² + 12y + 12y + 144 = 0

y(y + 12 ) + 12 ( y + 14) = 0

( y + 12 ) ( y + 12 ) = 0

Either

y + 12 =0

y = - 12

Now

x = 144 / - 12 = - 12

Therefore the two numbers are - 12 and - 12 .

Hope it will help :)❤

4 0
3 years ago
Question 12 onlyyyyyyyy
netineya [11]
For number 12 you need to make an expression using the information given. a) 25g + 18r + 15b could be the expression.
b) The variables would be 25g for the 25 gold seats, 18r for the 18 red seats and 15b for the 15 blue seats. 
c) Plug in the number given according to the variables.
       25(100) + 18(250) + 15(200)
             2500 + 4500 + 3000
                   7000 + 3000
                        $10,000
5 0
3 years ago
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