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algol13
3 years ago
15

Write the equation for the statement the sum of three times x and 13 is 25 ​

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

Answer:

3x+13=25

Step-by-step explanation:

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Find the other endpoint given the following <br><br> Endpoint: (5,-3) Midpoint: (7,-6)
Lilit [14]

The answer is (3, 0) for The second endpoint.  

Let's start by calling the known endpoint L and the unknown K. We'll call the midpoint M. In order to find this, we must first note that to find a midpoint we need to take the average of the endpoints. To do this we add them together and then divide by 2. So, using that, we can write a formula and solve for each part of the k coordinates. We'll start with just x values.

(Kx + Lx)/2 = Mx

(Kx + 7)/2 = 5

Kx + 7 = 10

Kx = 3

And now we do the same thing for y values

(Ky + Ly)/2 = My

(Ky + -6)/2 = -3

Ky + -6 = -6

Ky = 0

This gives us the final point of (3, 0)

5 0
4 years ago
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Marizza181 [45]
You can prove it by the SAS postulate which should be the first option
4 0
3 years ago
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NEED HELP IM BEGGING YOU PLEASE!!!!!!!! HELP ME !!!!!!!!!!!!!
liberstina [14]

Answer:

1.Yes,No,Yes

2.Identitive

Step-by-step explanation:

I would say Identitive because it is being multiplied by 1 and this property states that anything multiplied by 1 is itself

8 0
3 years ago
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To make ribbon and bow for a hat, Stacey needs 5/6 yard of black ribbon and 2/3 yard of red ribbon. how much total ribbon does s
larisa86 [58]
First make the denominators of the fractions the same by multiplying.

\frac{2}{3} × \frac{2}{2}
=\frac{4}{6}

Now we just need to add the fractions together

\frac{5}{6} +  \frac{4}{6}
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9/6 would be the answer, but it can be simplified further, then converted into decimal form.

\frac{9}{6} ÷ \frac{3}{3}
=\frac{3}{2}
=1.5 yards

Your final answer is 1.5 yards of ribbon are needed.
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Find the point of intersection of each pair of lines using substitution
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Step-by-step explanation:

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