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alisha [4.7K]
3 years ago
15

Evaluate the expression -2+49 ÷ (-7)​

Mathematics
1 answer:
Viktor [21]3 years ago
5 0

Answer: It should equal this ,-2+49÷(-7)=-9 !

Step-by-step explanation:

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Write an equation in standard form passing through the points (-2, 0) and (-3, -1). I know the answer to the question, but I do
g100num [7]

Answer:

y - x = 2

Step-by-step explanation:

Given

Points (-2,0) and (-3,-1)

Required

Equation of Line

The first step is to determine the slope of the line; using the following formula

m = \frac{y_2 - y_1}{x_2 - x_1}

Where\ (x_1,y_1) = (-2,0)\ and\ (x_2,y_2) = (-3,-1)

m = \frac{y_2 - y_1}{x_2 - x_1} becomes

m = \frac{-1 -0}{-3 - (-2)}

m = \frac{-1}{-3 +2}

m = \frac{-1}{-1}

m = 1

The next is to determine the equation of the line using any of the points

The formula is as thus;

m = \frac{y - y_1}{x - x_1}\ or\  m = \frac{y - y_2}{x - x_2}

Using m = \frac{y - y_1}{x - x_1}

Where\ (x_1,y_1) = (-2,0)\ and\ m =1

1  = \frac{y-0}{x - (-2)}

1  = \frac{y-0}{x +2}

1  = \frac{y}{x +2}

Multiply both sides by x + 2

(x+2)*1  = \frac{y}{x +2} * (x+2)

(x+2)*1  = y

x+2  = y

y = x + 2

Subtract x from both sides

y - x = x - x +2

y - x = 2

Hence, the equation of the line in standard form is y - x = 2

4 0
3 years ago
Mr.Richard has an orchard of length and breadth 280m and 200m respectively. He wants to fence it with 4 rounds of barbed wire. F
sesenic [268]

Answer:

$109.71

Step-by-step explanation:

first we find the perimeter

=2(280+200)

=2×480

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now we multiply it by 4 as he wants it 4 times around

960×4

3840

now we find the fencing cost

since 35 per meter we divide it by 35

3840/35

=$<u>109.71</u>

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3 years ago
Which graph shows the solution to the inequality –0.5x ≤ 7.5?
Gekata [30.6K]

Answer:

The first option

Step-by-step explanation:

Finished assignment

4 0
3 years ago
Read 2 more answers
If Mike loses $5 per week, how much does he lose in 4 weeks?
MrMuchimi

Answer:

<h3>$ 20 </h3>

Step-by-step explanation:

1week \:  = 5 \\ 4 \: weeks = x \\  \\ x = 20

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3 years ago
Assume a standard deck of 52 cards is being used. Find the possible way 2 black cards can be chose
GREYUIT [131]

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3 years ago
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