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2 years ago

In the accompanying diagram, the legs of right angle triangle abc are 4 and 3 the hypotenuse is 5 what is the value of tan a

Mathematics

2 answers:

Nana76 [90]2 years ago

5 0

Can you please explain a little more i’m not fully understanding

Mazyrski [523]2 years ago

4 0

Answer:3/5

Step-by-step explanation:

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Material for a dress costs £5.50 per metre. find the cost of 10cm and 70cm

Zielflug [23.3K]

Answer:

The cost of 10 cm and 70 cm are £0.55 and £3.85 respectively.

Step-by-step explanation:

Material for a dress costs £5.50 per meter.

We know that, 1 meter = 100 cm.

Suppose, the cost of 10 cm material is $x$ and the cost of 70 cm material is $y$

Now, according to the ratio of "cost" to the "length of material" , we will get.......

$\frac{x}{10} =\frac{5.50}{100}\\ \\ 100x=10*5.50=55\\ \\ x=\frac{55}{100}=0.55$

and

$\frac{y}{70} =\frac{5.50}{100}\\ \\ 100y=70*5.50=385\\ \\ x=\frac{385}{100}=3.85$

So, the cost of 10 cm material is £0.55 and the cost of 70 cm material is £3.85

5 0

2 years ago

Jackson and his children went into a movie theater and where they sell bags of popcorn for $6.50 each and candies for $4 each. J

Lisa [10]

Answer:

There are no possible solutions for this question.

Step-by-step explanation:

3 0

3 years ago

Simplify. 3(4-2.8)^3 Answer choices A)4.73 B)5.18 C)53.86 D)263.42

devlian [24]

Answer:

I think B

Step-by-step explanation:

the answer I got is 5.184

6 0

3 years ago

Read 2 more answers

A teacher needs to find out how many seventh-grade students will be going on a field trip. Which best describes the population t

kherson [118]

Answer:

In statistics , the population is the set of all possible observations as per the researcher's objective .

For example if a researcher wants to find the average height of teenager of age group between 13 year and 15 years in Seattle, he will need the data of the population of height of teenager of age group between 13 year and 15 years in Seattle.

Here , A teacher needs to find out how many seventh graders will be going on a field trip.

Clearly as per her objective she need the data of all seventh graders .

So , the best describes the population that the teacher should survey would be : All seventh graders.

Jeanashupp

Step-by-step explanation:

4 0

3 years ago

Question Help

Lady bird [3.3K]

Answer:

19 1-point shots and 32 2-point shots

Step-by-step explanation:

Let x be the amount of 1-point shots they made and y be the amount of 2-point shots they made then...

x+y=51

x+2y=83

We can solve this equation using elimination. In this case, we can eliminate x be subtracting the two equations.

-y=-32

Divide both sides by -1

y=32

Plug this back into the equation to solve for x

x+32=51

Subtract 32 from both sides

x=19

They scored 19 1-point shots and 32 2-point shots.

8 0

2 years ago