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Daniel [21]
3 years ago
12

Help please I’m begging you

Mathematics
2 answers:
zzz [600]3 years ago
8 0

Answer:

B

Step-by-step explanation:

add to eliminate y

irga5000 [103]3 years ago
6 0

Answer:

subtract to eliminate y

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What does OD=<br> Pls answer
Elodia [21]

Answer:

OD = 9.375"

Step-by-step explanation:

We can draw a line from O to B to create a triangle.

Then, Triangle ODB and Triangle ACB are similar, so their corresponding side's ratio are similar as well.

Triangle ACB, we can use pythagorean theorem to figure out CB:

AC^2 + CB^2 = AB^2

15^2 + CB^2 = 17^2

225 + CB^2 = 289

CB^2 = 64

CB = 8

Now relating the corresponding sides, we can figure out OD:

\frac{OD}{DB}=\frac{AC}{CB}\\\frac{OD}{8-3}=\frac{15}{8}\\\frac{OD}{5}=\frac{15}{8}\\8OD=5*15\\OD=\frac{5*15}{8}\\OD=9.375

8 0
3 years ago
EXTRA POINTS! volume of spheres.
BartSMP [9]

Answer:

V≈33.51

although I don't have an explanation, sorry, if you look up "how to find the volume of a sphere" on google, it will give you the answer

3 0
3 years ago
What is 2times .4 tell me how you solved it sorry I forgot how to do that
Eva8 [605]
2 times 0.4 = 0.8.

0.4
X 2
_____
0.8
7 0
3 years ago
Read 2 more answers
If one dozen of note books note books cost Rs. 252. Find the cost of 10 note books ?
lukranit [14]

Step-by-step explanation:

\underline {\underline{ \text{Given}}} :

  • Cost of one dozen of note books ( 12 note books ) = Rs 252

\underline{ \underline{ \text{To \: find}}} :

  • Cost of 10 note books

\underline{ \underline{ \text{Solution}}} :

Finding the cost of 1 note book :

⟼ \tt{ \frac{252}{12}  = Rs 21}

Finding the cost of 10 note books :

⟼ \tt{21 \times 10 = Rs 210}

\pink{ \boxed{ \boxed{ \tt{Our \: final \: answer :  \boxed{ \underline{ \tt{Rs 210}}}}}}}

Hope I helped ! ツ

Have a wonderful day / night ! ♡

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3 0
3 years ago
Read 2 more answers
4(7+v) help me please i am so confused
DanielleElmas [232]

Answer:

28+4v

Step-by-step explanation:

multiply each term in parenthesis by 4.

multiply the numbers <u>4×7</u>+4v

= the solution 28+4v

3 0
3 years ago
Read 2 more answers
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