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3 years ago

Help pls. I don’t understand.

Mathematics

2 answers:

koban [17]3 years ago

7 0

Answer:

Triangle 1 :)

Step-by-step explanation:

Vsevolod [243]3 years ago

3 0

Answer:

If I'm correct, the answer should be triangle one. Hope I could help, and someone please correct me if I'm wrong. <3

Step-by-step explanation:

I did 6+7 which gave me 13. That should make it a right angle

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Emily's bill for dinner at a restaurant was $61. She left an 18% tip. What was the amount of the tip?

UkoKoshka [18]

You cross multiply. So 61 over 18 = x over 100. You multiply 61 and get the answer of 1600. Now with what you have left, you divide that with 18 and you should get your answer of <span>338.888889. Make sure to round it to whatever it tells you to round to!</span>

7 0

4 years ago

Equivalent expressions for 50+225

faust18 [17]

50 + (15 × 15), 50 + 15 × 50 + 15, (10 × 5) + 225, 10 × 225 + 5 × 225

Solution:

Given expression is 50 + 225.

To find the equivalent expressions for 50 + 225.

(1) 225 can be written as 15 × 15.

⇒ 50 + 225 = 50 + (15 × 15)

(2) Using distributive law, we find the another equivalent expression

a + (b × c) = a + b × b + c

⇒ 50 + (15 × 15) = 50 + 15 × 50 + 15

(3) Now, 50 can be written as 10 × 5.

⇒ 50 + 225 = (10 × 5) + 225

(4 Using distributive law, we find the another equivalent expression

a + (b × c) = a + b × b + c

⇒ (10 × 5) + 225 = 10 × 225 + 5 × 225

Hence the equivalent expressions for 50 + 225 are:

50 + (15 × 15)

50 + 15 × 50 + 15

(10 × 5) + 225

10 × 225 + 5 × 225

7 0

3 years ago

Crystal wants to add the fractions 1/16 and 3/18 what is the lowest common denominator of the two fractions?

zhenek [66]

Answer:

288

Step-by-step explanation:

First, simplify the fraction 3/18 to 1/6, this will help a lot. Then, you just, find the LCM, and you can list out the mutliples to help you

6, 12, 18, 24, 39, 36, 42, 48, 54, 60

16, 32, 48, 64, 80

It would be easiest to do 48

But that's not exactly what the question is asking

It's asking the LCM of 1/16 and 3/18

I wanted to show you the other way so you would be able to think of it in a different way which would be easier

You would just list out the multiples again.

18, 36, 54, 72, 90, 108, 126, 135, 153, 171, 189

16, 32, 48, 64, 80, 96, 112, 130, 146, 162, 178, 194

Ok, I give up on that

Let's just do 16*18 which is 288.

288 is your LCM

Sometimes multiplying is easier and other times listing it out is easier.

I hope this helped

Let me know if you have any questions

4 0

3 years ago

Help me i will give brainlest 20 pointsssss

riadik2000 [5.3K]

Answer:

area base x height, perimeter add all sides, because a parallelogram can be divided into two triangles

Step-by-step explanation:

5 0

3 years ago

this afternoon polly left school, rode the bus 3 4/5 miles, and then walked 1 1/5 miles to get home. How much farther did polly

bekas [8.4K]

3 4/5=19/5
1 1/5=6/5
19/5-6/5=13/5
13/5=2 3/5

Answer:2 3/5 farther

4 0

3 years ago