Find the digit that makes 3,71__ divisible by 9.
A)3
B)7
C)1
D)5
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OpenStudy (anonymous):
just add it at the end
OpenStudy (anonymous):
yeah what digit
OpenStudy (anonymous):
7
OpenStudy (anonymous):
use a calculator to divide it by 9
OpenStudy (anonymous):
ok i have another question
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OpenStudy (anonymous):
it goes into it evenly
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
Find the prime factorization of the number 168
OpenStudy (anonymous):
is that the 1 with the factor tree
OpenStudy (anonymous):
2*2*2*3*7
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OpenStudy (anonymous):
2^3*7*3
OpenStudy (anonymous):
whichever 1 they both work
OpenStudy (anonymous):
here are the answers:
a. 2 to the 4th power x 3x7
b.2 to the 3rd power x 3 x 7
c.2 to the 4th power x 3 to the 3 power x 13
d.2 to the 3rd power x 3 to the 3rd power x 7
OpenStudy (anonymous):
b
OpenStudy (anonymous):
so what awnser is it
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OpenStudy (anonymous):
thats the same thing as 2^3*7*3
OpenStudy (anonymous):
so b
OpenStudy (anonymous):
3717/9 = 413
3+7+1+7=18=9*2
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
ok got another
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
find the GCF of the numbers 140 and 180
a.20
b.90
c.30
d.10
OpenStudy (anonymous):
20 is the biggest number that can go into them both
OpenStudy (anonymous):
anything else
OpenStudy (anonymous):
identify the fraction that is equivalent to the given fraction. 4/7
a. 16/28
b.20/28
c.16/21
d.12/28
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OpenStudy (anonymous):
4*4=16 7*4=28
OpenStudy (anonymous):
16/28
OpenStudy (anonymous):
anymore?
OpenStudy (anonymous):
ernest can walk a distance of 5 miles in 75 minutes. which is the simplest form of 5/75?
a.75/5
b.2/25
c.1/15
d.1/70
OpenStudy (anonymous):
why did you leave me
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OpenStudy (anonymous):
sorry
OpenStudy (anonymous):
it's ok theres the question
OpenStudy (anonymous):
5/5=1 75/5=15
OpenStudy (anonymous):
1/15
OpenStudy (anonymous):
thanks
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OpenStudy (anonymous):
that it
OpenStudy (anonymous):
no but some of the questions are really long to type
OpenStudy (anonymous):
copy and paste
OpenStudy (anonymous):
i cant im on a different computer than what the questions are on
OpenStudy (anonymous):
oh ok
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OpenStudy (anonymous):
wait heres one
OpenStudy (anonymous):
write five and three eighths as an improper fraction and as a mixed number
a. 43/8 and 5 3/8
b.48/8 and 3 5/8
c.37/8 and 5 3/8
d. 29/8 and 3 5/8
OpenStudy (anonymous):
43/8 5*8+3=43/8
OpenStudy (anonymous):
pasty needs 3 1/3 cups of flour for a recipe. write the number of cups needed as an improper fraction.
a.11/3
b.9/3
c.10/3
d.7/3
OpenStudy (anonymous):
3*3=9+1=10 10/3
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OpenStudy (anonymous):
list multiples to find the LCM of 27 and 45
a. 45
b.675
c.1,215
d.135
OpenStudy (anonymous):
the smallest number they both reach is 675
OpenStudy (anonymous):
write the decimal as a fraction or a mixed number in simplest form. 4.28
a.4 3/10
b.4 4/25
c.4 7/20
d.4 7/25
OpenStudy (anonymous):
im not good at transferring it back i cant do this one
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
write an equivalent fraction for 6x + 5y + 7x
a.18xy
b.30xy
c.11xy + 7x
d.13x +5y
OpenStudy (anonymous):
d
OpenStudy (anonymous):
combine same letters
OpenStudy (anonymous):
write an equivalent expression for 8x + 6 using the distributive property.
a.2(2x + 3)
b.2(4x+3)
c.8(x+6)
d.x(8+6)
OpenStudy (anonymous):
b and how many questions u got left
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