Which expression is equivalent to 4(6x + 11) - 5x?

Mathematics

1 answer:

Rudiy273 years ago

3 0

Answer:D

Step-by-step explanation:

4x TIMES 6 IS 24x MINUS 5 IS 19x

4 times 11=44

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If 3a + 2b = 7 and 2a + 2b = 9 , what is the value of

Simora [160]

Hey there :)

We have two equations:
3a + 2b = 7
2a + 2b = 9

We need to solve simultaneously to find the values of a and b

eq.1 3a + 2b = 7
eq.2 ( 2a + 2b = 9 ) x -1 ) multiply by -1 to cancel 2b

3a + 2b = 7
- 2a - 2b = -9 ( Add both together )
-------------------
a = - 2

Substitute the value you found for a in a in order to find b

3( - 2 ) + 2b = 7 2( - 2 ) + 2b = 9
- 6 + 2b = 7 OR - 4 + 2b = 9
2b = 13 2b = 13
b = $\frac{13}{2}$ b = $\frac{13}{2}$

3 0

3 years ago

Please help me with this question I will give brainliest.

Ainat [17]

Answer:

All you need to remember is the rules

Step-by-step explanation:

Let us remember

a to the m power x a to the nth power is = a to the m+n power. (add the exponents)

And

a to the m power ÷ a to the nth power is = a to the m-n power. (subtract the exponents) So

14 to the -4 power x 14 to the 7 power= 14 to the -4+7 which is equal to 14 to the 3rd power

6 0

3 years ago

Will mark as brainliest if correct

Nataly_w [17]

Answer:

X = 2?

Step-by-step explanation:

Have a great day

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3 years ago

Write a value-returning recursive function that computes the sum of the digits in a given positive int argument. for example, if

mars1129 [50]

244556
2+4+4+5+5+6=26

5 0

3 years ago

How is the answer 35? How do I get it?

vlabodo [156]

I think it's -35. The steps to get that number is subtracting the 3 to the right side. Then you have -2 - 3 which equals to -5. Then you still have x/7= -5. Get rid of 7 from the x and do the same thing to the other side but you multiply 7 and -5. Last you your would be x= -35.

7 0

3 years ago