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4 years ago

Choose the axiom that allows b(7) to be written 7b.

1 answer:

3 0

I believe it is the commutative property of multiplication. If this helped, please mark me brainliest, thank you and if you need more help, feel free to message me!

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Two mechanics worked on the car the first mechanic work for five hours in a sec mechanic work for 15 hours together the tires a

FrozenT [24]

Answer:

Mechanic 1: $55 per hour

Mechanic 2: $105 per hour

Step-by-step explanation:

Given

Represent the rate of the first mechanic with x and the second with y.

So, we have:

$x + y = 160$

The total earnings is: $1850, so we have:

$5x + 15y = 1850$

Required

Determine the rate of each

The equations are:

$x + y = 160$ --- (1)

$5x + 15y = 1850$ --- (2)

Divide (2) through by 5

$x + 3y = 370$ --- (3)

Subtract (1) from (3)

$x - x + 3y - y = 370 - 160$

$2y = 210$

Divide through by 2

$y = \frac{210}{2}$

$y = 105$

Substitute 105 for y in (1)

$x + y = 160$

Make x the subject

$x = 160 - y$

Substitute 105 for y

$x = 160 - 105$

$x = 55$

Hence:

Mechanic 1: $55 per hour

Mechanic 2: $105 per hour

7 0

3 years ago

F(x) =10x 5 and g(x) =3x 6 then what is ( f-g)

padilas [110]

(10x 5 - 3x 6)
(50x - 18x)
(f-g) = 32x

7 0

3 years ago

80% of what how many games is 32 games?

Talja [164]

40 games would be 100% if 32 games is 80%

6 0

3 years ago

“The sum of 6 consecutive integers is 519” what is the third number in this sequence?

Rashid [163]

Let x be the first integer, then
:
x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) = 519
:
6x + 15 = 519
:
6x = 504
:
x = 84
:
*****************************
Our sequence is
:
84, 85, 86, 87, 88, 89
:
The third integer is 86

7 0

3 years ago

The perimeter of a patio is 16m what is the area

Darina [25.2K]

Answer:

16m

Step-by-step explanation:

The correct answer is 16m for this question.

Formula: L*W

I know this because 4 goes into 16.

Hope this helps.

3 0

3 years ago