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Delvig [45]
3 years ago
9

1

Mathematics
1 answer:
Valentin [98]3 years ago
6 0

Answer 20 are left

Step-by-step explanation:

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Answer ASAP 15 points
malfutka [58]
A or 5/7, they’re both odd numbers so it cannot be simplified any further
8 0
2 years ago
Log3 a/3 = ??????????????????????????
Naddik [55]
We have that
<span>Log3 a/3
</span>Rewrite log3(a/3) using the change of base <span>formula

we know that
</span>The change of base rule can be used if a and b are greater than 0 and not equal to 1, and x is greater than 0<span>.
</span>so
loga(x)=<span>logb(x)/<span>logb<span>(a)
</span></span></span>Substitute in values for the variables in the change of base <span>formula
</span>
in this problem
b=10
a=3
x=a/3

log3(a/3)=[log (a/3)]/[log (3)]

the answer is
[log (a/3)]/[log (3)]

8 0
3 years ago
Read 2 more answers
Judy has 15 books in her library. She bought some books at a thrift store on Saturday. She now has 85 books in her library. How
netineya [11]

She bought 70 books at the thrift store.

<u>15+x=85</u>

6 0
2 years ago
Read 2 more answers
Compute the sales tax on the following transactions. An article retails for $37.50. The city sales tax is 6%, and the federal ex
ratelena [41]
First you must find the rate of both taxes. Since its 8% and 6%, you must add them both together, then divide them by 100. 

14/100 = .14

Then for both rates you must add 1 because it is a tax increase.

1 + .14 = 1.14

Finally times 37.50 with 1.14

37.50(1.14) = <span>42.75
</span>
<span>$42.75 is the answer.</span>

 
7 0
3 years ago
Read 2 more answers
Find the area of the polygon.
zalisa [80]

Answer:

A=128\ cm^2

Step-by-step explanation:

we know that

The area of the polygon is equal to the area of a square plus the area of four congruent triangles

so

A=b^2+4[\frac{1}{2}(b)(h)]

where

b=8\ cm\\h=4\ cm

substitute

A=8^2+4[\frac{1}{2}(8)(4)]

A=64+64=128\ cm^2

4 0
3 years ago
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