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Tju [1.3M]
3 years ago
8

Julie works in a leisure centre. Part of her duties is to prepare personal fitness plans for her clients.

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

Answer:

Janelle is applying to work a full-time job next summer. So far, her only paid work experience has involved with babysitting. She's worried that she lacks the skills

£120.02

£130.98

£1,376

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What is the answer to this problem? Ignore the work. What is the correct answer?
yan [13]

Answer:

c = 42.5

Step-by-step explanation:

The legs of the triangle are a and b and the hypotenuse is c

Let a be the shorter leg

The hypotenuse is 5 more than the longest leg

c = b+5

The shortest leg is 20

a = 20

We can use the Pythagorean theorem

a^2 +b^2 = c^2

Substituting in what we know from above

20 ^2 + b^2 = (b+5)^2

FOIL  (b+5)^2 = b^2 +5b+5b +25 = b^2+10b+25

400 + b^2 = b^2+10b+25

Subtract b^2 from both sides

400+b&2-b^2 = b^2 -b^2 +10b+25

400 = 10b+25

Subtract 25 from both sides

400-25 = 10b+25-25

375 = 10b

Divide by 10

375/10 = 10b/10

37.5 = b

But we want to find c

c=b+5

c = 37.5+5

c = 42.5

6 0
3 years ago
What is the shape of the cross-section formed when a cylinder intersects a
Sholpan [36]

Answer:b

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A Poker club has 10 members. A president and a vice-president are to be selected. In how many ways can this be done if everyone
Nesterboy [21]

Answer:

90 different ways

Step-by-step explanation:

We have a total of 10 members, and we want to find how many groups of 2 members we can have, where the order of each member in the group of 2 is important, so we have a permutation problem.

To solve this problem, we need to calculate a permutation of 10 choose 2.

The formula for a permutation of n choose p is:

P(n, p) = n! / (n - p)!

So we have:

P(10, 2) = 10! / (10 - 2)!

P(10, 2) = 10! / 8!

P(10, 2) = 10*9 = 90

So there are 90 different ways of choosing a president and a vice-president.

7 0
4 years ago
What is the value of cos A?
BlackZzzverrR [31]

Step-by-step explanation:

  • h²=p²+b²
  • h²=24²+7²
  • h²=576+49
  • h=√625
  • h=25

tanA=p/h

  • 24/25

its yr ans

hope it helps.

<h2>stay safe healthy and happy....</h2>
3 0
3 years ago
Percents
LUCKY_DIMON [66]

Given that,

Michael is leaving a 15% tip for his waitress.

To find,

What percent of the  original price will he pay.

Solution,

Let the original price was 100%.

When he leaves a 15% tip for the waitress, he is really paying 100%+15%=115% of the original price.

115\%=\dfrac{115}{100}\\\\=1.15

or

\dfrac{115}{100}=\dfrac{23}{20}

So, this is the required solution.

8 0
3 years ago
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