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3 years ago

I need help, please!

Mathematics

1 answer:

Neporo4naja [7]3 years ago

3 0

Answer:

2 of these numbers are divisible by 4 and 5.

20 and 60 are divisible by 4 and 5.

Step-by-step explanation:

20 is divisible by 4 and 5.

Divisible just means that the 4 (also the 5) goes into 20 evenly, with no remainder.

4 goes into 20 evenly with no remainder.

5 goes into 20 evenly with no remainder.

4 does not go into 35 evenly with no remainder.

35 ÷ 4 is 8 with a remainder of 3.

35 ÷ 4 = 8.75

5 does go into 35. 35 is divisible by 5.

35 is not divisible by 4.

60 is divisible by 4

60 ÷ 4 = 15 (no remainder, no extra decimals if you do it on a calculator)

60 ÷ 5 = 12 (no remainder, no extra decimals if you do it on a calculator)

60 is divisible by 4 and also by 5.

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Which polygon has interior angles whose sum is 1440°? octagon nonagon decagon 11-gon

ArbitrLikvidat [17]

Answer:

Decagon

Step-by-step explanation:

We can use the general equation to determine the sum of interior angles:

$I.A. = 180 \times (n-2)$

Since we know the sum of interior angles (I.A.) is 1440°, we must figure out n - the number of sides and so:

$1440=180(n-2)\\\\\frac{1440}{180}=n-2\\\\8=n-2\\\\n=10$

Since n=10 this means that it is a 10 sided shape meaning it's a decagon.

5 0

3 years ago

Read 2 more answers

what is an equation of a line in slope intercept form with given slope and y-intercept? slope is -2.5 and intercept is 3.5

leonid [27]

The slope-intercept form is y = -2.5x + 3.5

Slope intercept form is y = mx + b and I plugged in the numbers

Hope that helps!!

3 0

3 years ago

Sam left a 15% tip on his bill at the restaurant. If the bill was $24, what was the tip?

dybincka [34]

Answer:

3.60 was the tip; 27.60 was what Sam paid total

Step-by-step explanation:

24 x 0.15 = 3.6

7 0

3 years ago

A survey of 898 U.S. VCR owners found that 16% had VCR clocks that were currently blinking “12:00.” (Source: Wirthlin Worldwide)

Tanya [424]

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8 0

4 years ago

In the diagram, ΔGEF and ΔHEF are congruent. What is the value of x?

mojhsa [17]

Similar triangles are triangles that has all sides and angles to be equal. The value of x if , ΔGEF and ΔHEF are congruent is 28

<h3>Similar triangles</h3>

Similar triangles are triangles that has all sides and angles to be equal. From the given diagram;

<GFE = <EFH

Given

<GFE = 60 degrees

<EFH = 2(x+2)

Substitute

2(x+2) = 60
2x + 4 = 60

2x = 60 - 4

2x = 56

x = 28

Hence the value of x if , ΔGEF and ΔHEF are congruent is 28

Learn more on congruent shapes here: brainly.com/question/2644832

#SPJ1

8 0

2 years ago