MATHEMATICS MIDDLE SCHOOL

What is 38/50 as a decimal...

and what is 28/50 as a decimal?

PLEASE HELP ME !!!!

i hate struggling with homework!

Answers

Answer 1
Answer: 38/50 would be 0.76
28/50 would be 0.56
Answer 2
Answer: 38/50 as a decimal will be 0.76 because to make it a decimal you have to have a tenths, hundredths etc. place and 38/50•2 = 76/100=0.76 and 28/50=0.56

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I don't understand how to do this can someone pls help me

Answers

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Evaluate a2+ab-b2+5 when a=2 and b=3

Answers

a^2+ab-b^2+5\n\nsubstitue\ a=2\ and\ b=3:\n\n2^2+2\cdot3-3^2+5=4+6-9+5=6
Just plug in your valuables a=2 and b=3
Answer: 6

25% of the money is £35 what is the whole amount?

Answers

I got 140.

I did 100% divided by 25% to get 4 so then I said 4 times 35 to get 140

Identify the two whole between which the product lies 5×7/10

Answers

Answer:

The product lies between the numbers 3\ and\ 4

Step-by-step explanation:

we have

5*((7)/(10))

Solve the product

5*((7)/(10))=(35)/(10)=3.5

we know that

3.5<4

3.5>3

therefore

the product lies between the numbers 3\ and\ 4
3 and 4.

To identify the whole numbers between the product you multiply the two numbers and list the whole number before and after it. 5* 7/10 = 3 1/2 or 3.5 which is between the whole numbers 3 and 4.

3. The length of the hypotenuse of a right triangle is 12 yards. Theother two sides are equal in length. Find the length of each side to the
nearest tenth of a yard.

Answers

Answer: The other two sides measure 8.5 yards each

Step-by-step explanation: The triangle is a right angled triangle with the other two sides of equal measurement. What this means is that, one angle measures 90 degrees and the other two angles would be of equal measurement. The reason being that we have an isosceles triangle and one property of an isosceles triangle is that two sides are equal and two angles are equal. If one angle measures 90, then the other two would be measured as

(180 - 90)/2 and this equals

90/2 and that equals 45 degrees each. To calculate the length of the equal sides, we use the trigonometric ratio of sine.

(Let one of the unknown sides be A)

Sin 45 = opposite/hypotenuse

Sin 45 = A/12

By cross multiplication we now have

Sin 45 x 12 = A

0.7071 x 12 =A

8.4852 = A

To the nearest tenth

A = 8.5 yards

This means the other equal side would measure 8.5 yards as well.

What is 80 percent of 34

Answers

Answer:

The Answer Is 27.2

Step-by-step explanation:

80 % 34 = 27.2
27.2 is the answer hope this helps
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