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3 years ago

URGENT 100 POINTS TO THE FIRST WHO ANSWERS CORECTLY

Mathematics

2 answers:

Sav [38]3 years ago

8 0

Answer:

29/60

Step-by-step explanation:

For number midway, take the average of:

8/10 and 1/6

Sum = 8/10 + 1/6

Lcm: 30

(8×3 + 1×5)/30

29/30

Average = sum/n

29/30 ÷ 2

29/60

3241004551 [841]3 years ago

4 0

Answer:

29/60

Step-by-step explanation:

First add the two numbers

8/10 +1/6

8/10 simplifies to 4/5

4/5+1/6

Get a common denominator of 30

4/5 *6/6 = 24/30

1/6*5/5 = 5/30

Add them together

24/30 +5/30 = 29/30

Divide this by 2

29/30 *1/2 = 29/60

This is the rational number 1/2 between 8/10 and 1/6

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Factor the polynomial.

mixer [17]

Answer:

Final answer is choice B. $(5x-2y)^2$

Step-by-step explanation:

We need to factor the given expression $25x^2-20xy+4y^2$

$25x^2-20xy+4y^2$

$=25x^2-10xy-10xy+4y^2$

$=5x(5x-2y)-2y(5x-2y)$

$=(5x-2y)(5x-2y)$

$=(5x-2y)^2$

Hence final answer is choice B. $(5x-2y)^2$

6 0

3 years ago

For problems 1–3, identify the terms, coefficients, constants, and factors of the given expressions.

Volgvan

Answer:

1 4 ^2 + 2 - 9

7 0

3 years ago

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Mathew decides to run his first 50K (km) Ultra-Marathon. If 0.62 miles = 1 km, how many miles is Mathew going to run? * (please

kirza4 [7]

Answer:

31 miles

Step-by-step explanation:

If you multiply 0.62 by 50 you will get 31.

Please keep in mind that I am human and make mistakes. This answer could be wrong but this is my opinion on what the answer is.

4 0

3 years ago

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The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π? A cone with a right triangle formed

Lady bird [3.3K]

Answer:

142.1π in³

Step-by-step explanation:

Given that:

The radius (r) = 7 in

The slant height (y) = 25 in

Then the height (x) can be determined by using the Pythagoras rule:

y² = x² + r²

25² = x² + 7²

125 = x² + 49

125 - 49 = x²

x² = 76

x = √76

x = 8.7

The formula for the volume of a cone is;

= 1/3 πr²h

where;

height(h) is calculated as "x" from above = 8.7

Then;

= 1/3 × π × (7 in)² × 8.7 in

= 142.1π in³

5 0

3 years ago

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A high school class consists of 5 seniors, 10 juniors, 13 sophomores, and 4 freshmen. Exactly 4 of the juniors are male, and

lozanna [386]

Answer:

The probability that the pair consists of a female junior and a male sophomore is 0.096

Step-by-step explanation:

No of male juniors=4

No of female juniors=10-4=6

No of female sophomores=5

No of male sophomores=13-5=8

As per question,

Probability that the pair consists of a female junior and

a male sophomore = $\frac{6C1\times8C1}{32C2}$ =0.096

Therefore, the probability that the pair consists of a female junior and a male sophomore is 0.096

7 0

4 years ago