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3 years ago

Jen is sewing together fabric rectangles to make a bookmark

Mathematics

1 answer:

Sophie [7]3 years ago

5 0

What is the hight? Bc ill help but i need to know the hight

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G=b-ca, for a pls help!

slava [35]

Answer:

a = - g/c + b/c

Step-by-step explanation:

use math-way :)

7 0

3 years ago

1+1= here are some easy points

dlinn [17]

Answer:

and tysmm

have a nice day

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

7x^2-2x+1-(9x^2+2x-1)

likoan [24]

Answer:

$-2x^2-4x+2$

Step-by-step explanation:

$(7x^2-2x+1)-(9x^2+2x-1)=\\(7x^2-9x^2)+(-2x-2x)+(1+1)=\\-2x^2-4x+2$

Hope this helps!

6 0

3 years ago

Read 2 more answers

The relationship between women’s whole-number shoe sizes and foot lengths is an arithmetic sequence, where an is the foot length

ad-work [718]

Answer:

The explicit formula for Arithmetic Sequence is $a_n=7.02+0.33n$

Step-by-step explanation:

Given: Foot length & shoe size in AP.

$a_n$ is foot length and n is shoe size.i.e., $a_{12}=11\:and\:a_7=9.33$

To find: Formula for Arithmetic sequence .i.e., $a_n$

From question,

$a_{12}-a_7=11-9.33=1.67$

Also, we know that

$a_{12}=a_7+5d\\5d=a_{12}-a_7\\5d=1.67\\d=\frac{1.67}{5}\\\\d=0.33$

Now, consider

$a_7=a_1+6d\\a_7=a+6d\\a=a_7-6d\\a=9.33-6\times0.33\\a=9.33-1.98\\a=7.35$

Thus using formula of $a_n$ we get,

$a_n=a+(n-1)d\\a_n=7.35+(n-1)\times0.33\\a_n=7.35+0.33n-0.33\\a_n=7.02+0.33n$

Therefore, The explicit formula for Arithmetic Sequence is $a_n=7.02+0.33n$

4 0

3 years ago

Read 2 more answers

Alexandra is two years older than brad. cecilia is three years younger than alexandra. all three ages added together gives a tot

MatroZZZ [7]

Let us say that:

x = age of brad

x + 2 = age of Alexandra

(x + 2) – 3 = age of Cecilia = x – 1

We are also given that:

x + x + 2 + x – 1 = 37

solving for x:

3x + 1 = 37

3x = 36

x = 12 = age of brad

x + 2 = 14 = age of Alexandra

x – 1 = 11 = age of cecilia

4 0

3 years ago