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3 years ago

What direction will this object accelerate? Please give me an explanation as well I will be marking brainiest (NO LINKS)

Mathematics

1 answer:

gavmur [86]3 years ago

6 0

Answer:

It will be stationary because there is an equal amount of force from each direction.

Step-by-step explanation:

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Is 21.8 x 10 to the power of 8 a scientific notation

Oksanka [162]

Answer:

$\large\boxed{2.128\times10^9}$

Step-by-step explanation:

The scientific notation:

$a\cdot10^k\\\\1\leq a$

We have:

$21.8\times10^8$

21.8 >10

21.8 = 2.18 × 10

Thereofre:

$21.8\times10^8=2.18\times10\times10^8$

Use

$a^n\cdot a^m=a^{n+m}$

$21.8\times10^8=2.18\times10^1\times10^8=2.18\times10^{1+8}=2.18\times10^9$

8 0

3 years ago

Work out the height of the triangle with base, b = 2.4mm and area, A = 34.68mm squared

nikdorinn [45]

2.4*x/2=34.68
2.4*x=69.36
x=28.9
(x is the height)

7 0

3 years ago

The cost of a television was $500. The cost was increased by 10% and then decreased by 10%. What was the final price of the tele

postnew [5]

Answer:495

Step-by-step explanation:

500 x .1 = 50

550 x .9 = 495

8 0

3 years ago

Read 2 more answers

The cost (c) of renting a truck for $30 and then paying $2 per mile (m). Write the function rule

r-ruslan [8.4K]

Answer:

f(x) = 2m + 30

Step-by-step explanation:

Since the truck costs 30 dollars to rent plus the 2 dollars per mile to find the function rule you use an equation that makes the 2 dollars per mile the dependent variable.

7 0

3 years ago

Jimmy's backyard is rectangle that is 18 5/6 yards long and 10 2/5 yards wide Jim buy sod in pieces that are 1 1/3 yard long and

g100num [7]

Answer:

111 pieces of soda

Step-by-step explanation:

step 1

Find the area of the rectangular backyard

The area of the rectangular backyard is equal to

$A=LW$

where

$L=18\frac{5}{6}\ yd=\frac{18*6+5}{6}=\frac{113}{6}\ yd$

$W=10\frac{2}{5}\ yd=\frac{10*5+2}{5}=\frac{52}{5}\ yd$

substitute

$A=(\frac{113}{6})(\frac{52}{5})$

$A=\frac{5,876}{30}\ yd^2$

step 2

Find the area of one piece of sod

The area of the rectangular piece of sod is

$A=LW$

where

$L=1\frac{1}{3}\ yd=\frac{1*3+1}{3}=\frac{4}{3}\ yd$

$W=1\frac{1}{3}\ yd=\frac{1*3+1}{3}=\frac{4}{3}\ yd$

substitute

$A=(\frac{4}{3})^2\\\\A=\frac{16}{9}\ yd^2$

step 3

Find the pieces of sod needed

To find out how many whole pieces of sod will Jim need to buy to cover his backyard, divide the area of the backyard by the area of one piece of soda

$\frac{5,876}{30} : \frac{16}{9}=\frac{52,884}{480}=110.175$

Round up

111 pieces of soda

8 0

3 years ago