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3 years ago

This year 0.3 of the x students at Mega Middle School are in 7th grade. There are 294 students in 7th grade.

Mathematics

2 answers:

stich3 [128]3 years ago

4 0

Answer:

is that even a question ?

Step-by-step explanation:

AleksAgata [21]3 years ago

4 0

3/10x=294

x=294*10/3

x=980 students

if you found my answer helpful please mark as brainliest.

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“Two lines which are parallel must have positive slopes”. Explain why you believe this is true or false

shutvik [7]

Answer: This is false.

Step-by-step explanation:

A linear equation is an equation of the shape.

y = ax + b

where a is the slope, and b is the y-axis intercept.

Two different linear equations are parallel if their slopes are the same, in this case b will define the distance between our two parallel lines.

We do not have any implication on the sign of a, but let's prove this:

Two lines f and g are parallel if there does not exist a value x1 such:

f(x1) = g(x

suppose that f(x) = -ax + b

g(x) = -ax + c

where b and c are different numbers (because if b and c are equal, we have that g(x) and f(x) represent the same line)

Now suppose that x1 exists, let's prove that this is absurd.

f(x1) = -ax1 + b = -ax1 + c = g(x1)

b = c

this is absurd, then x1 does not exist and f(x) and g(x) are parallel.

So you can see that the sign of the slope does not matter.

Then the statement is false

5 0

3 years ago

Help me.. please and ty.

makkiz [27]

Answer:

Step-by-step explanation:

$y = \frac{-1}{5}x - 4\\\\Plugin x = 0 , y = 0 - 4\\\\ y = -4\\\\(0 , -4)\\\\Plugin x = 5, y =\frac{-1}{5}*5-4 = -1-4=-5\\\\(5 , -5)\\\\Plugin x = -5, y =\frac{-1}{ 5}*(-5)-4=1 - 4 = -3\\(-5, -3)$

Plot the points(0 ,-4) , (5 , -5) and (-5 , -3 ) in the graph and join the points.

5 0

3 years ago

What is 5/9 written as a decimal? I REALLY NEED HELP plz show work when written

Serhud [2]

your answer is (0.555556)

3 0

3 years ago

Read 2 more answers

Christopher invests $5,000 after 20 years at 2% interest, how much did he earn in interest?

umka2103 [35]

Answer:

At the end of 20 years, your savings will have grown to $16,036. You will have earned in $11,036 in interest.

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

What is the radius of a circle whose equation is (x + 5)2 + (y – 3)2 = 42? 2 units 4 units 8 units 16 units

KiRa [710]

Answer:

Option B.

Step-by-step explanation:

The given equation is

$(x+5)^2+(y-3)^2=4^2$ ...(1)

The standard form of a circle is

$(x-h)^2+(y-k)^2=r^2$ ...(2)

where, (h,k) is center and r is radius of the circle.

On comparing (1) and (2) we get

$h=-5,k=3,r=4$

It means center of the circle is (-5,3) and radius of the circle is 4 units.

Therefore, the correct option is B.

5 0

4 years ago