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3 years ago

Consider reflection of JKL what line of reflection maps point L to point L at (-2,3)

Mathematics

1 answer:

yawa3891 [41]3 years ago

3 0

It’s y-axis for the first answer and the other one it’s

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In a club of 50 persons the number of men is

Liono4ka [1.6K]

Answer:

if we add 25 more women, we could get 60% women and 40%men

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3 years ago

What is -9+n/4=-7? Please explain in detail, I don’t really understand this at all.

Brrunno [24]

Answer:

n=-19

Step-by-step explanation:

-9+n/4=-7

Multiply 4 on both sides

-9+n=-28

Add 9 on both sides

n=-19

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3 years ago

Can some help me pls find the angle measure for each one

Marianna [84]

Answer:

1 = 140 2 = 70

Step-by-step explanation

1 is 140 because it is the same as 140 and 2 is 70 because it is the same angle as 70.

8 0

3 years ago

Read 2 more answers

Aunty Joan packs a packet of sweets to Alice and Olivia. Alice and Olivia share sweets in the ratio 7:3. Alice gives 3 sweets to

aivan3 [116]

Initially, Alice had 28 sweets and Olivia 12 sweets.

Step-by-step explanation:

First assume that Aunty Joan has x number sweets.

Alice and Olivia shared the x sweets in a ration of 7:3, this means

Alice had 7/10 x sweets and Olivia had 3/10 sweets.

Alice gives 3 sweets to Olivia, Alice will remain with ;

$\frac{7}{10} x-3$

Then the new ratio changes to 5:3 which means Alice will have 5/8 x number of sweets.

Equate the number of sweets for Alice in the two cases, which is

$\frac{5}{8}x=\frac{7}{10} x-3\\ \\\frac{7}{10} x-\frac{5}{8} x=3\\$

$\frac{56x-50x}{80} =3\\\\\\\frac{6}{80} x=3\\\\\\6x=80*3\\\\\\x=240/6\\\\x=40$

So there were 40 sweets at first

Using the ratio of 7:3 then

Alice had 7/10 *40 = 28 sweets

Olivia had 3/10*40= 12 sweets

Alice gave Olivia 3 sweets, so she will remain with 28-3 =25 sweets. Olivia will now have 15 sweets.The new ratio will be 25:15 simplified as 5:3.

Learn More

Ratio : brainly.com/question/11095585

Keywords : Ratio

#LearnwithBrainly

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3 years ago

When a new machine is not functioning properly, 15% of the items produced are defective. Assume that we will randomly select 5 p

cestrela7 [59]

Answer:

P(X<=2) = 0.9736

Step-by-step explanation: Please find the attached file for the solution

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3 years ago