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irina1246 [14]
3 years ago
11

The solution of a +b > 12 is a > -3. What is the value of b?

Mathematics
1 answer:
kirza4 [7]3 years ago
6 0

Step-by-step explanation:

a + b > 12 \\

but

\\ a >  - 3 \\

if

a =  - 3 \\ then \: \\  a + b > 12 \\  - 3 + b > 12 \\ b  > 12  + 3 \\ b  > 15

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Vinil7 [7]

5. yes

6. yes

7. no

8. no

4 0
3 years ago
A glass plummet weighs 14.35 g in air 5 points 11.40 g when immersed in water, and 8.95 g when immersed in sulfuric acid. Calcul
elena-s [515]

Answer:

0.865

Step-by-step explanation:

Specific gravity is a ratio of the weight of a substance to the weight of an equal volume of a substance chosen as a standard. The standard for liquid and solids is water while for gas is hydrogen.

Amount of displaced oil = 12.64 g — 9.12 g = 3.52 g

Amount of displaced water = 12.64 g — 8.57 g = 4.07 g

Specific gravity of oil = 3.52 g / 4.07 g = 0.865

6 0
3 years ago
The sum of three consecutive integers is 141. What is the smallest integer?
Sonja [21]

Answer:

The Consecutive number are 46 , 47 and 48 having sum as 141

The smallest number is 46

Step-by-step explanation:

• A consecutive numbers means number are in a sequence and are one after the another !

e.g. n , (n+1). Or 1 , 2 are consecutive numbers

• A consecutive even numbers differ by 2 because all even numbers are divisible by 2 !

• If the number is divisible by x we must had taken number as n , ( n + x ) ,

( n + 2x )

• Let the numbers be ( n - 1 ) , n and

( n + 1 )

Given ,the sum of numbers is 141

n - 1 + n + n + 1 = 141

3n = 141

n = 141/3

n = 47

So, the numbers are

n- 1 = 47 - 1 = 46

n = 47

n + 1 = 48

And , the smallest number is 46

• Verification :-

46 + 48 + 47 = 141

Which satisfies the given condition !!

Hence , verified !!

8 0
3 years ago
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kozerog [31]

Answer:

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Step-by-step explanation:

Let's say x is the cups of cashews and y is the cups of almonds.

We can write two equations:

x / y = (1/3) / (1/4) = 4/3

x + y = 28

Solve the system of equations using substitution.

x = 4/3 y

4/3 y + y = 28

7/3 y = 28

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7 0
3 years ago
A parabolic listening device is shaped such that the depth of the bowl depends on its radius and can be represented by the curve
Rus_ich [418]

Answer:

7.428 inches

Step-by-step explanation:

4 0
3 years ago
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