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tamaranim1 [39]
4 years ago
7

write as an expression: a number that is equal to five less than b please show the working out if you can, thanks! >3

Mathematics
1 answer:
Minchanka [31]4 years ago
3 0
"<span>a number that is equal to five less than b"

</span>n-a number

n = b - 5

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In the equation 9h=81-9, what is the next step in the equation solving sequence
stich3 [128]

Answer:

<h2>h=8</h2>

Step-by-step explanation:

we know

9h=81-9

let's do 81-9 first

81-9= 72

so we know

9h=72

to get h on its own, divide everything by 9

h=8

3 0
3 years ago
The difference between two numbers is 31. Four times the smaller is equal to eight more than the larger. What are the numbers?
hjlf

Answer:

13 and 44

Step-by-step explanation:

let x and y be the 2 numbers with y < x , then

x - y = 31 ( add y to both sides )

x = y + 31 ( subtract 31 from both sides )

x - 31 = y → (1)

4y = x + 8 → (2)

substitute y = x - 31 into (2)

4(x - 31) = x + 8

4x - 124 = x + 8 ( subtract x from both sides )

3x - 124 = 8 ( add 124 to both sides )

3x = 132 ( divide both sides by 3 )

x = 44

substitute x = 44 into (1)

44 - 31  = y , then

y = 13

the 2 numbers are 13 and 44

3 0
2 years ago
I need help with this question​
qaws [65]
18 ft each cube is 6ft and 6x3=18 (3 because there is three cubes)
6 0
3 years ago
A=12 B=5 C=2. help the one who answers get the brainest
Umnica [9.8K]
6(12)
-------  - 2
c(2)

72
-----  = 36 - 2 = 34(answer)
  2

6 0
3 years ago
Read 2 more answers
Plot the x- and y-intercepts to graph the equation.<br> y=-1/2x-3
Yakvenalex [24]

Answer:

Step-by-step explanation:

Given y=-1/2x-3, rewrite this as y = (-1/2)x - 3 for greater clarity.

x-intercept:  Let y = 0 and find x:  0 = (-1/2)x - 3, or

(1/2)x = 3, or x = 6.  Thus, (6, 0) is the x-intercept.

y-intercept:  Let x = 0 and find y.  Then (-1/2)(0) - 3 = y.  Thus, y = -3, and the y-intercept is (0, -3).

Plot these two intercepts and then draw a line connecting them.

Example:  To graph the y-intercept, start with your pencil point at the origin.  Move your pencil point 3 units down and plot a dark dot there.

6 0
3 years ago
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