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GarryVolchara [31]
2 years ago
8

What is the value of the expression below when x=3 and y=10? 8x - y

Mathematics
1 answer:
madam [21]2 years ago
7 0

Answer:

8(3) - 10 \\ = 24 - 10 \\  = 14

Step-by-step explanation:

this goes with BODMAS .so it means bracket of divison,multiplication ,addition and subtraction

this means that you would have to solve the one in the bracket first before you'll continue with the rest,that is the subtraction.

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Please help Im so confused!
mars1129 [50]

His mistake was adding 12+2 when he was supposed to subtract.

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2 years ago
Write the equation if the line that passes through (4,5) and has a slope of m=3
andrew11 [14]

Answer:

y = 3x - 7

Step-by-step explanation:

The <em>point-slope formula</em> for a straight line is

y – y₁ = m(x – x₁)

x₁ = 4; y₁ = 5; m = 3     Substitute the values

y – 5 = 3(x - 4)             Remove parentheses

y – 5 = 3x - 12             Add 5 to each side

     y = 3x - 7

The graph is a straight line with a y-intercept at y = -7 and a slope = 12/4 = 3.

6 0
3 years ago
GIVING BRAINLIEST FOR BEST ANSWER!
Lerok [7]

Answer:

SO what it is is

Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
At a hardware store, each wooden plank costs $3.57. How much do 12 planks cost? $
BigorU [14]

Answer:

42.84

Step-by-step explanation:

3.57*12=42.84

3 0
3 years ago
This is homework. please help with the answer for both 11a and 11b :))
RideAnS [48]
11a:
3x+5=5x-57
3x-5x=-57-5
-2x=-62
x=31
11b:
2x+2x+4x+150+4x+150=360
12x+300=360
12x=360-300
12x=60
x=5

hope this helped !!
3 0
3 years ago
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