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3 years ago

Adding and subtracting real numbers - find each difference - 1.7 - (-3.8)

Mathematics

1 answer:

shepuryov [24]3 years ago

3 0

Answer:

2.1

Step-by-step explanation:

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What is adjacent??????

alina1380 [7]

Next to or adjoining something else.

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2 years ago

The original price of a mountain bike was reduced by $125.

anyanavicka [17]

Answer:

p-125

Step-by-step explanation:

p represents the original price, which was reduced by 125. therefore, the reduced price is represented by the algebraic expression p-125

8 0

3 years ago

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Which line is parallel to a line that has a slope of 3 and a y-intercept at (0, 0)?

anyanavicka [17]

we know that

If two lines are parallel , then their slopes are the same

we will proceed to calculate the slope of each line to determine the solution.

The formula to calculate the slope m between two points of the line is equal to

$m=\frac{(y2-y1)}{(x2-x1)}$

case N 1) line AB

Let

$A(-4,3)\\B(4,3)$

substitute the values

$m=\frac{(3-3)}{(4+4)}$

$m=\frac{(0)}{(8)}$

$m=0$

$0\neq 3$

therefore

The line AB is not the solution

vase N 2) line FG

Let

$F(-3,-1)\\G(3,-3)$

substitute the values

$m=\frac{(-3+1)}{(3+3)}$

$m=\frac{(-2)}{(6)}$

$m=-1/3$

$-1/3\neq 3$

therefore

The line EG is not the solution

case N 3) line CD

Let

$C(-3,0)\\D(3,2)$

substitute the values

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

$m=\frac{(2)}{(6)}$

$m=1/3$

$1/3\neq 3$

therefore

The line CD is not the solution

case N 4) line HJ

Let

$H(-1,-4)\\J(1,2)$

substitute the values

$m=\frac{(2+4)}{(1+1)}$

$m=\frac{(6)}{(2)}$

$m=3$

$3=3$

therefore

The line HJ is the solution

therefore

the answer is the option

line HJ

7 0

3 years ago

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Write the equation of the circle with radius 2 and center (2,-3)

Luba_88 [7]

Answer:

$(x-2)^{2} + (y+3)^{2} = 4$

Step-by-step explanation:

Formula

$Centre (a,b) \\Radius r(x-a)^{2} + (y-b)^{2} = r^{2}\\\\Centre (2, -3) \\Radius 2(x-(2))^{2} + (y-(-3))^{2} = 2^{2}\\(x-2)^{2} + (y+3)^{2} = 4$

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3 years ago

Katelyn sells cars at a used car dealer on commission. The car lot pays a 18% commission when the profit on a car is under $400,

ANEK [815]

Answer:

She will receive 22% commission

Step-by-step explanation:

18% commission when the profit on a car is under $400

22% when the profit is at least $400 and less than $1,000

24% when the profit is $1,000 or more.

How much will she receive if she sold $800 in profits?

She will receive 22% commission

$800 profits is greater than $400 but less than $1000

6 0

3 years ago