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Blizzard [7]
2 years ago
6

Help me with this two question please

Mathematics
2 answers:
Degger [83]2 years ago
8 0
I think the answer is b
Rashid [163]2 years ago
8 0
1. Is B for sure
2. Is C I think
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PLEASE ANSWER ASAP!! WILL GIVE 50 POINTS! AND BRAINLIST!
levacccp [35]

\frac{3}{5}  -  \frac{1}{4}  =  \frac{7}{20}
then
\frac{7}{20}  \div  \frac{7}{10}  =  \frac{1}{2}
4 0
3 years ago
The width of a rectangle is two cm less than 8 times the length. The perimeter is 88 cm. What is the width and length of the rec
kati45 [8]

Let's the length to be x,

then the width is 8x - 2.

Perimeter of a rectangle = 2*Width + 2*Length

Perimeter of the rectangle = 2(8x-2) + 2x = 16x - 4 + 2x = 18x - 4

Ar the same time, Perimeter of the rectangle = 88.

So, we can write

18x - 4 = 88

18x = 84

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x= 42/9 cm (length) or ≈ 4.67 cm (length)

8x - 2 = 8*42/9 - 2 ≈ 35.33 cm (width)


6 0
3 years ago
What is the answer for 7/10-1/2 in simplest form
Musya8 [376]
Problem: 7/10 - 1/2
1/2 = x/10       Find the common denominator
1/2 = 5/10      
Subtract the numerators
7-5
Answer: 2/10
Simplest form: 1/5
4 0
3 years ago
Read 2 more answers
Diffrenet machines pack boxes which ratio represents each og the machine
mylen [45]

Answer:j

Step-by-step explanation:

8 0
2 years ago
A ship traveling east at 45 mph is 15 mi from a harbor when another ship leaves the harbor traveling east at 60 mph. How long do
Harman [31]

Answer:

  1 hour

Step-by-step explanation:

I find these easiest to work by considering the initial difference in distance and the speed at with that gap is closing.

__

The gap is 15 miles, the distance the first ship is from harbor when the second ship starts.

The rate of closure is the difference in the speeds of the two ships:

  60 mph -45 mph = 15 mph

Then the closure time is ...

  time = distance/speed

  time = (15 mi)/(15 mi/h) = 1 h

It will take the second ship 1 hour to catch up to the first ship.

7 0
2 years ago
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