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Phantasy [73]
3 years ago
6

Write the follow ratio is lowest terms, 49:21

Mathematics
2 answers:
Alik [6]3 years ago
5 0
Looking at 49 and 21, you immediately know that 7 can be divided out of both.

49:21
=49/7:21/7
=7:3

7:3 is the answer.

Hope this helps!

hoa [83]3 years ago
3 0
7:3

49:21 (DIVIDE 49 BY 7 WHICH GIVES YOU 7, DIVIDE 21 BY 7 WHICH GIVES YOU 3)
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1, Is this triangle a right triangle? Explain.
liberstina [14]

Answer:

Yes

Step-by-step explanation:

It has the square in the corner meaning it is a right triangle, it only needs one right angle to be a right triangle. So you can say that is a shortcut.

7 0
3 years ago
27. (A-SSE.1.1a) A clothing store is having a sale in which all
tino4ka555 [31]
The answer to this question is 150
8 0
3 years ago
What is the solution of -8/2y-8=5/y+4-7y+8/y^2-16
Mnenie [13.5K]
<h2>Answer:</h2>

The solution of the given equation is:

                         y=6

<h2>Step-by-step explanation:</h2>

The expression is given by:

\dfrac{-8}{2y-8}=\dfrac{5}{y+4}-\dfrac{7y+8}{y^2-16}

Now on solving for the given equation

\dfrac{-8}{2(y-4)}=\dfrac{5}{y+4}-\dfrac{7y+8}{(y-4)(y+4)}

since,

a^2-b^2=(a-b)(a+b)\\\\so,\\\\y^2-16=y^2-4^2\\\\i.e.\\\\y^2-16=(y-4)(y+4)

Hence, we get:

\dfrac{-4}{y-4}=\dfrac{5\times (y-4)-(7y+8)}{(y+4)(y-4)}\\\\i.e.\\\\\dfrac{-4}{y-4}=\dfrac{5y-20-7y-8}{(y-4)(y+4)}

-4\times (y-4)(y+4)=(-2y-28)(y-4)\\\\i.e.\\\\(y-4)(-4\times (y+4))=(-2y-28)(y-4)\\\\i.e.\\\\(y-4)(-4y+16)=(-2y-28)(y-4)\\\\i.e.

(y-4)(-4y+16)-(-2y-28)(y-4)=0\\\\i.e.\\\\(y-4)(-4y-16+2y+28)=0\\\\i.e.\\\\(y-4)(-2y+12)=0\\\\i.e.

y-4=0\ or\ -2y+12=0\\\\i.e.\\\\y=4\ or\ 2y=12\\\\i.e.\\\\y=4\ or\ y=6

but y≠ 4

since, the denominator of the term in the left side of the given equality and the second term in the right side of the given equality will be zero and hence, the expression will be not defined.

Hence, the value of y is: 6

7 0
4 years ago
Read 2 more answers
Evaluate:<br> 2 - (-9) + (-18) / 3 x 2 -10
Tatiana [17]
2+9-18/6-10
11-18/-4
-7/–4=7/4
7 0
4 years ago
How to get midpoint in a graph with 2 endpoints
Flura [38]

Answer:

You can find the midpoint of a line segment given 2 endpoints, (x1, y1) and (x2, y2). Add each x-coordinate and divide by 2 to find x of the midpoint. Add each y-coordinate and divide by 2 to find y of the midpoint. It's important to note that a midpoint is the middle point on a line segment.

In order to see the midpoint formula in use, let's look at an example.

Question:

Determine the midpoint of the line segment with the given endpoints.

A(3, 7), B(9, 1)A(3,7),B(9,1)

Solution:

We can use the formula for midpoint to determine the midpoint: M= (x1 + x2/2 , y1+y2/2)

First, plug the x and y value into the formula:

M=(3+9/2 , 7+1/2)

,

Then, we can calculate the midpoint:

(6, 4)

3 0
3 years ago
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