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2 years ago

12

Sophie made 40 treats(original) for her birthday. She gave 8 away(change) to her family before taking the rest to school. What p

ercent did Sophie take to school?

1 answer:

Debora [2.8K]2 years ago

7 0

Answer:

80%

Step-by-step explanation:

First you subtract the 8 from 40 which leaves you with 32

Then you set up your proportion 32/40 = x/100

Cross multiply and divide which leaves you with 80

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In a sequence of ten terms, each term (starting with the third term) is equal to the sum of the two previous terms. The seventh

poizon [28]

Answer:

$\boxed{a_1+a_2+a_3+a_4+a_5+a_6+a_7+a_8+a_9+a_{10}=66}$

Step-by-step explanation:

We know that in a sequence of ten terms, each term (starting with the third term) is equal to the sum of the two previous terms. The seventh term is equal to 6. Therefore, we have

$a_1+a_2=x\\a_3=x\\a_4=2x\\a_5=3x\\a_6=5x\\a_7=8x\\$

We know that:

$a_7=6\\\implies 8x=6\\x=\frac{3}{4}$

We get:

$a_1+a_2=x=\frac{3}{4}\\\\a_3=x=\frac{3}{4}\\\\a_4=2x=\frac{3}{2}\\\\a_5=3x=\frac{9}{4}\\\\a_6=5x=\frac{15}{4}\\\\a_7=8x=6\\\\a_8=13x=\frac{39}{4}\\\\a_9=21x=\frac{63}{4}\\\\a_{10}=34x=\frac{102}{4}\\$

Therefore, we calculate

$\boxed{a_1+a_2+a_3+a_4+a_5+a_6+a_7+a_8+a_9+a_{10}=66}$

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2 years ago

X= 0 , 1 , or 7<br> Y= -10, 5, or 10<br> Please helppppp will mark Brainliest

vlabodo [156]

Step-by-step explanation:

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3 years ago

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Digiron [165]

Answer:

3/14

Step-by-step explanation:

6/7 ÷ 4

Copy dot flip

6/7 * 1/4

Rewriting

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Take any 2 points the answer will be the same.

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2 years ago

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Arturiano [62]

Answer:

40

Step-by-step explanation:

2+2 = 4

4+4 = 8

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3 years ago

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