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jok3333 [9.3K]
2 years ago
9

Need help asap, thanks!

Mathematics
1 answer:
il63 [147K]2 years ago
6 0

Answer:

b option

Step-by-step explanation:

Refer to the attachment.

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>:</em><em>)</em>

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(3b + 12 ) divided by 2 =30 Whats is b ?
denpristay [2]

b=16 , First you multiply 30 by 2 to see what sum you need for the numerator. Then you subtract the 60 that you get by the 12 and get 48. So 3 multiplied by b should give you 48. So you just divide 48 by 3 and get 16.

6 0
3 years ago
Consider the equation 4x + 1 = 2x + 5
Darya [45]

(a) Without solving the equation we can't determine whether its true or false.

(b) If x = 3

4x + 1 = 2x + 5

4(3) + 1 = 2(3) + 5

12 + 1 = 15 + 5

13 = 20

No, if x = 3, the equation will not be true.

(c) 4x + 1 = 2x + 5

4x - 2x = 5 - 1

2x = 4

x = 4/2

x = 2

This shows that x = 2 makes the equation true.

8 0
3 years ago
Which is the dependent variable when 3x = y?
Andrej [43]

Answer:

A dependent variable is a variable (often denoted by y ) whose value depends on that of another.  so it is the variable that changes depending on the numbers beside it.

I hope this helps if not check out Khan academy

https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-dependent-independent/v/dependent-and-independent-variables-exercise-example-3  

7 0
2 years ago
Javier drove 50 miles. This represents 25% of his entire trip. What is the TOTAL number of miles in Javiers trip?
nata0808 [166]

Answer: 200

Step-by-step explanation:      all you have to is multiply 50 by 4 because 25 is a forth of 100% and 50 x 4 = 200.

4 0
3 years ago
For what value of k will k+9,2k-1 and 2k+7 are the consecutive terms of an A.P
Stolb23 [73]

k = 18

the common difference d of an arithmetic sequence is

d = a₂ - a₁ = a₃ - a₂ = ....

a₂ - a₁ = 2k - 1 - k - 9 = k - 10 and

a₃ - a₂ = 2k + 7 - (2k - 1) = 2k + 7 - 2k + 1 = 8, hence

k - 10 = 8 ⇒ k = 8 + 10 = 18

the 3 consecutive terms are

27, 35, 43


8 0
3 years ago
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