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3 years ago

What is equivalent to 2/5

2 answers:

6 0

Equivalent Fraction is obtained by multiplying both numerator and denominator of the given fraction by the same number. the Equivalent Fraction of 2/5 could be = 4/10, 6/15, 8/40.

aksik [14]3 years ago

4 0

2/5 4/10 6/15 8/20 10/25 12/30 are all equivalent to 2/5

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Solve using the substitution method 3x+5 =y. 3= 2y +x The x coordinate is ?

slamgirl [31]

3x+5 =y

3= 2(3x+5) +x
3=6x+10+x
3=7x+10

-7=7x

x=-1 :))

7 0

3 years ago

Read 2 more answers

Josie has $47 left on her checking account. If she writes a check for $55,

kozerog [31]

Answer:

-8

Step-by-step explanation:

47-55=-8

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2 years ago

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SPENDING ALL MY POINTS FOR THIS PLEASE LOOK AT PHOTO AND HELP! Please

Iteru [2.4K]

Answer:

1a - reduction

2a- enlargement

3a- reduction

4a- enlargement

Step-by-step explanation:

when the scale factor is greater than 100% it is making it larger, when less than 100% size it is making it smaller. for every answer do the original number (ex #1 would be 48 inches) and multiply it by the scale factor in decimal form, by moving the decimal over two places (ex #1 the 25% would become .25 or 1/4). therefore #1 would be an equation like 48 x 0.25= 12

5 0

3 years ago

A librarian choose seven holiday books from a selection of ten to be displayed in the window of the library. in how many differe

Sergeu [11.5K]

Answer:

$_{10}C_7=\frac{10!}{7!(10-7)!}\\\\=\frac{10!}{7!3!}=\frac{10\times 9\times 8\times ...}{(7\times 6\times 5\times...)(3\times 2\times 1)}\\\\=\frac{10\times 9\times 8}{3\times 2\times 1}=\frac{720}{6}=120$

Step-by-step explanation:

A librarian choose seven holiday books from a selection of ten to be displayed in the window of the library. in how many different ways can she chose seven books?

This is a combination of 10 objects chosen 7 at a time:

3 0

3 years ago

Solve each equation.Show your work. Can someone help me please??

Inga [223]

Answer:

1/2a = -5

a = (-5 x 2) : 1

a = -10

8 - b = 9,5

b = 8 - 9,5

b = -1,25

0,1 = -10c

c = 0,1 : -10

c = -0,01

I hope it's helpful.

3 0

3 years ago