4 years ago

Who knows how to do this

Mathematics

1 answer:

My name is Ann [436]4 years ago

6 0

I think B? hope that's right!!

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Solve for f.<br><br> –7f − 9 = 9 − 4f<br><br> f =

Alchen [17]

F= 6.
-7f -9=9-4f
3f-9=9
3f=18
F=6

7 0

3 years ago

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Chord AC intersects chord BD at point P in circle Z.

Alik [6]

In this question, we have to use the intersecting chord theorem, and the formula which is

$AP * CP = BP * DP$

In the given circle, values of AP, CP and DP are 12m, 6m and 5m respectively .

Substituting the values in the formula, we will get

$12*6 = 5BP$

Dividing both sides by 5

$BP = \frac{72}{5} = 14.4 m$

4 0

3 years ago

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A soccer field has a perimeter of 326 metres. Its area is 6370 square metres. What are the dimensions of the field?

Burka [1]

Answer:

Step-by-step explanation:

chiều dài:x,x>0

chiều rộ:y

$\left \{ {({x+y)*2=326} \atop {xy=6370}} \right.$

$\left \{ {{x+y=163} \atop {xy=6370}} \right.$

$\left \{ {{y=163-x} \atop {xy=6370}} \right.$

$\left \{ {{y=163-x} \atop {x*(163-x)=6370}} \right.$

$\left \{ {{y=163-x} \atop {163x-x^{2} =6370}} \right. \\$

$\left \{ {{y=163-x} \atop {x_{1} =98; x_{2} =65}} \right.$

$\left \{ {{y=65} \atop {x=98}} \right.$

4 0

3 years ago

I need some help on this lol

nasty-shy [4]

I think it’s option A

3 0

3 years ago

1 1/4+1 4/7 i need help like quickkkk

DerKrebs [107]

Answer:

<h2><u><em>THERES UR ANSWER AND I HOPE I AM RIGHT AND PLS GIVE ME BRAINLIEST!</em></u></h2>

Step-by-step explanation:

5 0

4 years ago

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