What is the measure of angle ABC? (will pick brainlyiest)

Mathematics

2 answers:

Ipatiy [6.2K]4 years ago

7 0

if you solve it the way I did, you'd get answer;

Arisa [49]4 years ago

3 0

The answer is B because the 118° is curvy so the straight lines would be kess than 118 so its B because D is too short :)

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What percent of 1.60 is 6

JulsSmile [24]

N% x 1.60 = 6 (I turned it from English to math)
Can't move n% back two places to make it a decimal so I will move the number I am multiplying by n% back two places instead.
Here is a sample to show you why it works. .34 x 57 = 34 x .57

So
.016n = 6 (.016 is 1.60 decimal moved back two places)

Now divide both sides by .016
.016n = 6
.016 .016 n = 375%

Why is the percent over 100% you might ask?

What % of 1.60 is 1.60 (Answer - all of it or 100%)
So What % of 1.60 is 6 - the number 6 being much bigger than 1.60, it is not surprising that the percent is more than 100.

What % of 1.60 is 1.60 - 100%
What % of 1.60 is 3.20 - 200% (notice that 3.20 is twice 1.60)
What % of 1.6 is 4.80 - 300% (notice that 4.80 is three times 1.60)
What % of 1.6 is 6.40 - 400% (notice that 6.40 is four times 1.60)
6 (the number in the problem) is just a bit less than 6.40 so 375% makes a lot a sense.
Hope you found this helpful.

6 0

4 years ago

The system of equations below has no solution.

mixer [17]

Answer:

Second option: 0 = 26

Explanation:

This is the given system of equations:

$\frac{2}{3} x+\frac{5}{2} y=15\\ \\ 4x+15y=12$

A linear combination of the system is any equation formed by the algebraic addition of both equations, one or both multiplied by an arbitrary constant.

To prove that the given system has no solution you could multiply the first equation times 6 (to get rid of the fractions), multiply the second equation times - 1, and add the two results:

1. First equation times 6:

$6\times\frac{2}{3} x+6\times\frac{5}{2}y=6\times 15\\ \\ 4x+15y=90$

2. Second equation times - 1:

$-4x-15y=-12$

3. Add the two new equations:

$0=78$

4. Conclusion:

Since 0 = 78 is false, no matter what the value of x and y are, the conclusion is that the system of equations has not solution.

The only choice that represents that same situation is the second one, 0 = 26. That is a possible linear combination that represents that the system of equations has no solutions.

In fact, you might calculate the exact factors by which you had to multiply each one of the original equations to get 0 = 26, but it is not necessary to tell that that option represents a possible linear combination for the given system of equations.

7 0

3 years ago

Read 2 more answers

I am a rectangle, and my area is 80 square inches. My width is 2 inches shorter than my length. What is my perimeter?

pshichka [43]

Area=l*b=l*(l-2)=80(given)

so, l^2 - 2l =80
l^2 - 2l - 80=0
l=10 or -8

l=10,b=10-2=8
perimeter=2(l+b)=2(18)=36

6 0

4 years ago

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What is the answer to 3 3/8 plus 5/12

masha68 [24]

Answer: