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grin007 [14]
3 years ago
6

How many km per hour must you swim if you want to cross a 5-km channel in 4 hours?

Mathematics
2 answers:
ELEN [110]3 years ago
6 0
The amount you mus swim is 1.25 km an hour

hodyreva [135]3 years ago
5 0
The actual answers is that you would have to swim at 1.25 mph to reach your goal. 48 minutes pet km!
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Tell whether you can make a unique triangle or no triangle with these conditions: angles measuring 45° and 90°
just olya [345]

Answer:

  The triangle with those measures will be unique.

Step-by-step explanation:

The triangle described is an isosceles right triangle with side lengths 10 cm. All such triangles are congruent (it is unique).

7 0
3 years ago
A gym membership charges $100 for a start up fee and $40 a month for
slamgirl [31]

The equation that represents the cost of membership is  $100 + $40c

The cost of 1 year membership is $580.

The number of months you have paid for is 9 months.

<h3>What is the equation that represents the cost of the gym membership?</h3>

The cost of gym membership is the sum of the fixed cost and the variable cost. The fixed cost is the start-up fee while the variable cost is the cost per month.

The equation that represents the cost of the gym membership is: c = $100 + $40m

Where m represents the number of months

The cost of 1 year membership =  $100 + $40(12)

$100 + $480 = $580

How many months would $460 cover = ($460 - $100) / 40 = 9 months

To learn more about fixed cost, please check: brainly.com/question/25879561

6 0
2 years ago
Ben needs 1 3/8 feet of fabric to make one banner. How many banners can he make from 4 1/2 yards of fabric?
skelet666 [1.2K]

Answer:

x = 9.818

x≈10

The number of banners that can be made are 10

Step-by-step explanation:

We can use the knowledge of proportion to solve this.

First we need to convert yard to feet.

  1  yard      = 3 foot

4 1/2 yard    = y

cross-multiply

y =  4 1/2  ×  3

    =9/2  ×   3

y = \frac{27}{2} feet

This implies 4 1/2 yards =  \frac{27}{2} feet

Let x be the numbers of banners needed to make from 4 1/2 yards of fabric.

1 3/8 feet  = 1 banner

\frac{27}{2}  feets    =    x

cross multiply

1 3/8 × x =  \frac{27}{2}

\frac{11x}{8}  =  \frac{27}{2}

cross-multiply

22x = 216

Divide both-side of the equation by 22

22x/22 = 216/22

x = 9.818

x≈10

The number of banners that can be made are 10

3 0
3 years ago
4. John wants to cover a box entirely with silver paper. How many square centimetres
Mice21 [21]

Answer: 4=C. 4 164 sq cm

5=A. 5.0 sq dm

6=B. 272.6 sq dm

HOPE THIS HELPS

7 0
2 years ago
Read 2 more answers
What is the surface area of the rectangular prism? Please show how you got it !!
nirvana33 [79]

Answer:

4268 square centimeters

Step-by-step explanation:

The formula for the surface area of right rectangular prisms is 2((width*lenght)(height*length)(height*width)).

The length of this triangle is 44 cm, the height is 30 cm, and the width is 11.

2((11*44)(30*44)(30*11))=4268 square centimeters

3 0
3 years ago
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