GUARANTEED ACCURATE ANSWERS |
UPDATED 2025
which of the following expressions 237.45 written in expanded form in
terms of powers of tens? - ACCURATE ANSWERS✔✔ 2*10² +
3*10¹+7*10⁰+4*10⁰+4*10¹+5*10⁻²
In base ten standard form, the position of each digit indicates the power
of 10 by which it was multiplied, the the products are added.
What is the least common denominator of the following fractions?
2/9, 1/2, 2/3 - ACCURATE ANSWERS✔✔ 18
find multiples of all 3 denominator
3x-{2x-[x-(5x+6)]}= x-2
Solve the equation above. What is the value of x? - ACCURATE
ANSWERS✔✔ 3x-{2x-[x-(5x+6)]}=x-2
3x-{2x-[x-5x-6]}=x-2 change x signs in parentheses
3x-{2x-[4x-6]}=x-2
3x- {2x+4x+6}=x-2
,3x-{6x-6}=x-2
3x-6x-6=x-2
-3x-6=x-2
-3x-6-x+6=x-2+x+6
-4x=4
x=-1
While watching a movie, the year the movie was made appears at the
bottom of the screen: MCMLXVII - ACCURATE ANSWERS✔✔ M is
1000, C is 100. Placing the C before the M indicates that the 1000
should be subtracted from the 1000. Therefore, MCM is 1900. The other
Roman numerals should be added to discover the year. L is 50, X is 10,
V is 5, and II is 2, which equals 67. The year is 1967.
A school bake sale sells 4% of its cookies to the first customer. There are
24 cookies left. How many cookies did the bake sale have to start? -
ACCURATE ANSWERS✔✔ 25
If x is the total # of cookies then:
x-0.004x=24
(1-0.04)x=24
0.96x=24
x=24/0.96
x=25
, A rancher increased her herd of cattle to 360 head from 288 head. What
was the percent increase in cattle? - ACCURATE ANSWERS✔✔ 25%
To find the percent increase the previous number of cattle, 288 must be
subtracted from the new , higher number, 360. The result should then be
divided by the original number.
(360-288)/288 = x
72/288 =x
0.25=x
25%
Two trees in Abby's backyards. One tree is 20 feet tall and casts a
shadow 8 feet long. If the second tree shadow at the same time of the
day is 32 feet long, how tall is the 2nd tree? - ACCURATE
ANSWERS✔✔ 80 ft
Let x be the height of the tree then:
x/32 = 20/8 cross multiply
8x/8=640/8 x=80
If sound travels 6,160 feet in. 5.5 feet, how far does in travel in 16.5
seconds? - ACCURATE ANSWERS✔✔ 18,480
If x is the distance sound travels then:
x/16.5 = 6,160/5.5 cross multiply
5.5x/5.5 101,640/5.5