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Julli [10]
3 years ago
6

Johannes needs to buy replacement team uniform..

Mathematics
1 answer:
julsineya [31]3 years ago
6 0

Answer:

D.

Step-by-step explanation:

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Which of the following fractions are equivalent to 15/21? Select all that apply.
scoundrel [369]

Answer:

A. 5/7
B. 30/42

Step-by-step explanation:

I just used an equivalent fractions calculator.
Please correct me if I'm wrong :)

3 0
2 years ago
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Write the equation of the hyperbola with foci at (1, 5) and (7, 5) and with vertices at (2, 5) and (6, 5).
mash [69]
If you plot the points given on a coordinate plane you see that this is a hyperbola that is is horizontal in nature, meaning it opens side to side, not up and down.  We can determine the center of it by taking the point equidistant from the vertices, which is (4, 5), the h and k of our center, respectively.  Also, the equation looks like this when it is horizontal: \frac{(x-h) ^{2} }{ a^{2} } - \frac{(y-k) ^{2} }{ b^{2} } =1.  a is the distance between the center and the vertices, so our a = 2, and c is the distance between the center and the foci, so our c = 3.  We need to find b now, using Pythagorean's theorem.  ( 2)^{2} + b^{2} =( 3)^{2} and b= \sqrt{5}.  Now we have everything we need to rewrite the equation: \frac{(x-4) ^{2} }{4} - \frac{(y-5) ^{2} }{5} =1
6 0
3 years ago
2.5 kg cost £1.40<br><br>work out the cost of 4.25kg
Mkey [24]

Calculating the cost of 4.25 kilogram(kg) is £2.38, by multiplying it by 4.25 kg by 1 kg.

<h3>Cost</h3>

Costs are the expenses incurred in the manufacture, marketing, or preparation of a good or asset for regular use. In other terms, it's the cost incurred to produce a good, buy inventories, sell goods, or prepare equipment for use in a commercial activity.

Given,

2.5 kg cost  £1.40 i.e,

2.5 kg = £1.40

For 1 kg= \frac{1.40}{2.5}

= £0.56

To find the cost of 4.25 kg:

Then,

1 kg = £0.56

4.25 kg = 0.56 x 4.25

= £2.38

£2.38 is the cost of 4.25kg after calculating it.

To know more about calculating cost visit here:

brainly.com/question/11871927

#SPJ1

8 0
1 year ago
What is 30% of 70?<br> O 10<br> O 14<br> O 18<br> O 21<br> O 28
Sedaia [141]

Answer:

your answer is 21

Step-by-step explanation:

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7 0
2 years ago
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4. Kay and Allen sell cell phones. Last month Kay sold 17 more cell phones than Allen. Together they both sold 117 cell phones.
forsale [732]

Answer:

Allen sold 50 cell phones while Kay sold 67 cell phones.

Step-by-step explanation:

Let the number of cell phones sold by Allen be x. This will imply that the number of cell phones sold by Kay is x + 17.

Furthermore, we are informed that together they sold a total of 117 cell phones. Therefore, we use the following equation to determine the number of cell phones sold by each;

x + x + 17 = 117

2x + 17 = 117

2x = 100

x = 50

Therefore, Allen sold 50 cell phones while Kay sold 67 cell phones.

7 0
3 years ago
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