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Vaselesa [24]
3 years ago
12

itzel noticed that the distance from her house to the library, which is 40 miles, was one fifth the distance from her house to h

er school.
Mathematics
1 answer:
Maksim231197 [3]3 years ago
5 0

Answer:

200 miles

Step-by-step explanation:

40 x 5 = 200

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ms. James has a 6 square foot bulletin board and a 12 square food bulletin board. She wants to cover both boards with index card
Anon25 [30]

Answer:

<em>She need </em><em>72 </em><em>index cards.</em>

Step-by-step explanation:

Ms. James has a 6 square foot bulletin board and a 12 square food bulletin board and she wants to cover both boards with index cards without gaps or overlaps.

Each index card has an area of \dfrac{1}{4} square foot.

Dividing the area of each board with the area of the index card will yield the the number of cards she needs to cover up completely.

Let us assume T₁ and T₂ are the number of cards she needs to cover 6 square feet food bulletin board and 12 square feet food bulletin board respectively. So

T_1=\dfrac{6}{\frac{1}{4}}=24,\\\\T_2=\dfrac{12}{\frac{1}{4}}=48

Therefore, in total she need 24+48=72 index cards.

7 0
3 years ago
Linda is one of 8 teachers in the Mathematics department. In how many different ways can three of the teachers be chosen so that
Alexxx [7]

Answer:

21 ways

Step-by-step explanation:

a, b, c, d, e, f, g, linda

1    2   linda  

a__ b__ __

a__c __ __

a__d __ __

a__ e__ __

a__ f__ __

a__ g__ __

b__c __ __

b__d __ __

b__ e__ __

b__ f__ __

b__ g__ __

c__d __ __

c__ e__ __

c__ f__ __

c__ g__ __

d__ e__ __

d__ f__ __

d__ g__ __

e__ f__ __

e__ g__ __

f__ g__ __

count them

in total

there are

21 triples

4 0
3 years ago
Record the data on a line plot 20,17,20,17,18,17,20,18,16
jek_recluse [69]

Answer:

ex or x times y

Step-by-step explanation:

vdjxrjs bc sgshxrhx

5 0
3 years ago
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Sergeu [11.5K]

Answer:

5x-1=10x+3x

5x-3x=10+1

2x=11

x=11/2

8 0
2 years ago
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I need help pls pls pls pls
svetoff [14.1K]

Answer:

1. -18x+6

multiply everything inside with the number outside the bracket

2. -18x-6

same as number one

3. 18x-12

same as number one

4. -18x-6

same as number one

for 5 I can't see it well but it should be similar

you just need to substitute what's outside the bracket to what Is inside the bracket

6 0
3 years ago
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