MATHEMATICS MIDDLE SCHOOL

Write 3/7 as a decimal.
2.3
.42
.37
.43
HELP PLEASE FAST

Answers

Answer 1
Answer: First you divide one by seven then multiply it by three which gives you .428 but you are rounding so the answer is .43

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10 points!! A.S.A.P! HELP :)
Write the sum as a product of the gcf of the two numbers 75+90

−7−4p−(−5)
Combine the like terms to create an equivalent expression:

Answers

Answer:

-2 -4p

Step-by-step explanation:

−7−4p−(−5)

Put like terms together

-7--5 -4p

-7 +5 -4p

-2 -4p

Answer:

-2 - 4p

Step-by-step explanation:

correct on khan

Alex built a snowman using three snowballs,one small, one medium and one large, with diameters in the ratio 2:3:5.      Although highly unlikely due to the physical properties of snow, suppose the three snowballs were perfectly spherical and stacked vertically, one on top of the other, as shown, with adjacent snowballs sharing a single point of tangency.      If the diameter of the medium snowball was 18 inches, what was the maximum height, in feet, of the snowman Alex built using the three snowballs?

Answers

(3)/(5)=(18)/(x)

\boxed{\boxed{x=30~in}}

and

(3)/(2)=(18)/(y)

y=12~in

Maximum~~height~~=~~12+18+30~~=~~60~in

them

1~in=(1)/(12)~ft

60~in=5~ft

\boxed{\boxed{\boxed{\therefore~Maximum~~height~~=~~60~in~~=~~5~ft}}}
ratio\ snowballs:\ \ 2:3:5\n medium\ snowball - 18\ in\n \n x-large\ snowball\n \frac35=\frac{18}x\n 3x=90\n x=30\ in\n\n \n y-small\ snowballs\n \frac23=\frac y{18}\n 3y=36\n y=12\ in\n \n 12+30+18=60\ in\n \n 1\ in - \frac1{12}\ ft\n 60\ in - z\ ft\n \n z=\frac1{12} \cdot 60= 5\ ft\n Answer: Maximum\ height\ is\ 5\ ft

Emma is training for a 10 kilometer race. She wants to beat her last 10 kilometer time, which was 1 hour 10 minutes Emmahas already run for 55 minutes. Which inequality can be used to find how much longer she can run and still beat her previous
time? (1 hr = 60 min)
70> -55
70 <-55
70 St+55
70 > I+55

Answers

Answer:

70 > I+55

Step-by-step explanation:

The last inequality expresses better this situations.

Emma wants to beat her last record, which was 70 minutes. So, she needs to run in less than 70 minutes.

However, she already ran 55 minutes, the remaining time would be the variable I, so, the sum of them must be less than 70 minutes. So, there are two options to represent this:

I + 55 < 70 or 70 > I + 55.

Answer:

the answer is 70 greater-than t + 55

9=2y-y^-6x-x^
“^”: squared
Need help finding the equation if a circle expanded form

Answers

The formula would be -(y-1)^2-(x+3)^2=-1

Please help on the odd numbers but don't do 7 or so if you want but there is no point

Answers

#3. Answer = 20

#5. Answer = 126.5



These answers are my best final answers

They still might be wrong but I Believe they are correct

Find the product of 5+i and 4-i​

Answers

Answer:

21 - i

Step-by-step explanation:

( 5+i ) * ( 4-i )   = 5 * ( 4-i )  + i *( 4-i )

                      =   5*4 - 5*i + i*4 - i*i

                      = 20 - 5i + 4i - i²

                       = 20 - 5i +4i - (-1)                {  i² = -1 }

                       = 20 - 5i +4i + 1

                         = 21 - i
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