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RUDIKE [14]
3 years ago
10

2/5+3/8= i will give brainliest

Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0
so first we should make the denominators the same so find a multiple that 5 and 8 share: they share a multiple of 40, so whatever you do to the denominator you do to the numerator. So the equation should now look like 16/40+15/40 and the answer is 31/40!!
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Find the length of arc JM
hoa [83]

Answer:

JM ≈ 12.9 miles

Step-by-step explanation:

The length of the arc is calculated as

arc = circumference × fraction of circle

     = πd × \frac{90}{360}

JM = π × 16.4  × \frac{1}{4}

     = \frac{16.4\pi }{4} ≈ 12.9

4 0
3 years ago
An irregular parallelogram rotates 360° about the midpoint of its diagonal. How many times does the image of the parallelogram c
tatuchka [14]

Answer:

2

Step-by-step explanation:

The question, is basically asking for the order of rotational symmetry for the parallelogram. This is 2, which means while spinning the parallelogram around its centre point 360 degrees, it looks exactly the same, or matches with its original at 2 points

4 0
3 years ago
Graph a line that contains the point (4,3) and has a slope 1/2
Roman55 [17]

Answer: The graph is attached.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

We can find "b" substituting the slope and coordinates of the (4,3) into thte equation  y=mx+b, and then solving for "b":

3=\frac{1}{2}(4)+b\\\\3-2=b\\\\b=1

By definition, the line intersects the x-axis when "y" is zero.

Then, we need to substitute the y-intercept and y=0 into  y=mx+b and then solve for "x" in order to find the x-intercept:

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

Knowing the x-intercept and the y-intercept, we can graph the line (The graph is attached)

6 0
3 years ago
Read 2 more answers
I need help i dont understand how to do this!!​
Schach [20]

Answer:

16, see below :)

Step-by-step explanation:

Hello!

We can use the pythagorean theorem because one of the angles is 90 degrees. According to the theorem, a^2 + b^2 = c^2

a is 12, b is unknown, and c is 20

Now we use the theorem

12^2 + b^2 = 20^2

144 + b^2 = 400

b^2 = 256

b = sqrt(256)

b = 16

5 0
2 years ago
Read 2 more answers
Please help, I will give brainliest to best answer
Maru [420]

Answer: corn flour

Step-by-step explanation:

WF: 12.5/5 =2.5 per pound

RF: 24/8 = 3 per pound

CR: 33.75/15 = 2.25 per pound

SF: 55.2/24=2.4 per pound

4 0
2 years ago
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