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3 years ago

for every 2 cars you wash, your friend washes 3 cars. You wash a total of 8 cars. How many does your friend wash?

Mathematics

2 answers:

Svetllana [295]3 years ago

8 0

Ur friend gets 12 cars

Mice21 [21]3 years ago

6 0

Your friend washes 12 cars

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1 in/2.54 cm = 90 in/? cm

nirvana33 [79]

1/2.54 = 90/x

Cross multiply
(1)x = (2.54)(90)

x would equal 228.6

The answer would be 90 in/ 228.6 cm.

7 0

3 years ago

What is the sum of the first five terms of a geometric series with a1 = 6 and r = 1/3? Express your answer as an improper fracti

Likurg_2 [28]

Answer:

242/27

Step-by-step explanation:

Using the formula for the sum, you can fill in the given values and do the arithmetic.

Sn = a1·(r^n -1)/(r -1)

S5 = 6·((1/3)^5 -1)/(1/3 -1) = 6(-242/243)/(-2/3) = 6·(121/81)

S5 = 242/27

_____

Or, you can write the terms and add them up. The sum is ...

6 + 2 + 2/3 + 2/9 + 2/27 = (162 +54 +18 +6 +2)/27 = 242/27

5 0

4 years ago

lutik1710 [3]

Answer:

$\huge \boxed{\mathrm{804}}$

Step-by-step explanation:

$\sf The \ initial \ population \ of \ the \ town \ was \ 568.$

$\sf 236 \ migrated \ to \ the \ town.$

$568+236$

$=804$

$\sf The \ present \ population \ of \ the \ town \ is \ 804.$

5 0

3 years ago

Read 2 more answers

Evaluate.

Temka [501]

9514 1404 393

Answer:

-7/48

Step-by-step explanation:

Put the numbers in place of the corresponding variables and do the arithmetic.

$\dfrac{-\left|1\dfrac{7}{8}+(-1)\right|}{2-(-4)}=\dfrac{-\dfrac{7}{8}}{6}=-\dfrac{7}{8\cdot6}=\boxed{-\dfrac{7}{48}}$

8 0

3 years ago

A jewelry designer is making a pendant. The pendant will be a circular dis (center O) with a circular hold cut out of it, as sho

antoniya [11.8K]

Answer:

2884.8 millimeters squared

Step-by-step explanation:

Given:

The radius of the disc is 35 millimeters, so the area of it is:

π $r^{2}$ = 3.14* $35^{2}$ = 3846.5

Then, we find out the area of the circular hold cut out of the bigger one, its radius is a haft of the radius of the bigger circle = 35/2 = 17.5

π $r^{2}$ = 3.14* $17.5^{2}$ =961.6

=> the area of the pendant = 3846.5 - 961.6 =2884.8 millimeters squared

6 0

3 years ago