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expeople1 [14]
3 years ago
6

I need help please! I'm really bad at math!

Mathematics
2 answers:
sineoko [7]3 years ago
5 0

Answer:

Sorry im not good at diameters

Step-by-step explanation:

hopefully  this helps. since its divided by 2 x would be 4 and y would be 2.5

irakobra [83]3 years ago
5 0
Scale factor of 3. x = 8/3 or 2.66667 and y = 5/3 or 1.66667
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Find the y value for point F such that DF and EF form a 1:3 ratio. (5 points) Segment DE is shown. D is at negative 3, negative
SVETLANKA909090 [29]
I drew the segment and used Pythagorean theorem to solve for its measure. The line formed is the hypotenuse of the imaginary right triangle.

Among the choices only -1.33 and -1.25 is a feasible choice. But I am leaning towards -1.25 as the y-value of point F based on my diagram. Please see attachment.

7 0
3 years ago
Read 2 more answers
Simplify 9^{2} / 9^{7}
monitta
It is 2/18 I hope I can help
8 0
3 years ago
2. If AB = 4x + 9. BC = 5x + 2, and AC = 56, then find the value for . AB, BC.<br> A<br> B
inysia [295]

Answer:

AB=29; BC=27

Step-by-step explanation:

So they told us AB=4x+9 and that BC=5x+2, and AC=56 , now to help with the question you can draw this information on a number line. Now on a number you can see that basically AC=AB+BC.

So you would write it as such,,

4x+9+5x+2=56

Combine like terms

9x+11=56

Now you have to isolate the x by itself but first get rid of the 11.

9x+11-11=56-11

You would get

9x=45

Here you can divide 9 by both sides to isolate x.

9x/9=45/9

{x=5}

Now to find the value for both substitue x in the equations for both

1. AB=4x+9 where x is 5

4(5)+9 =AB

20+9 =AB

29=AB

You would do the same with BC

2. BC= 5x+2 where x is 5

5(5)+2= BC

25+2= BC

27=BC

If you want to check your answers you can just substitute x for 5 in the first equation we did where AC=AB+BC

6 0
3 years ago
Graph system of inequalities <br> Y&gt;|2/3x-3<br> Y&gt;|-4/3x+3
quester [9]

The Graphs are in attachment !

1st graph is for equation :

  • y  >   \dfrac{2}{ 3}x  - 3

2nd graph is for equation :

  • y  > -  \dfrac{4}{3} x + 3

7 0
3 years ago
Read 2 more answers
Greatest to least<br> 2/7, 1/4, 2/9
Stella [2.4K]

<u>1/3; 2/7; 2/9</u>

Lets find least common multiple

The least common multiple is 63

1/3 --> 21/63

2/7 --> 18/63

2/9 --> 14/63

As you can see I am correct, but I found the LCM by multiplying 1/3 by 21 to get to 63 and the numerator as well

7 0
3 years ago
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