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8090 [49]
3 years ago
9

Complete the following equivalent ratios by filling in the blank squares:

Mathematics
1 answer:
Alexxandr [17]3 years ago
4 0

Answer:

2:3 = 4:6

4:1 = 24:6

Step-by-step explanation:

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PLEASE ANSWER I NEED HELP!!..
nikitadnepr [17]
Please don't post masses of questions all at once.  1-2 problems per post would be more realistic and fairer to others who need help.

Regarding   <span>x-2/5 = 1/5

We are to solve for x.   To do this, let's remove the fractions by mult. all 3 terms by 5.  Then 5x - 2 = 1, or 5x = 3.

Dividing both sides by x, we get x = 3/5 (answer).  Check this by subst. 3/5 into the original equation.</span>
5 0
3 years ago
Fill in the blank.<br> (5x)2<br> a0x2
Yuki888 [10]

Answer:a_0=25

Step-by-step explanation:

It is given that, (5x)^2=a_0x^2

We need to find the value of a_0

As (5x)^2=a_0x^2

Solving LHS

25x^2=a_0x^2

Now comparing the coefficients of x^2

In LHS the coefficient of x^2 is 25

In RHS the coefficient of x^2 is a_0

It implies that, a_0=25

So, the value of a_0 is 25.

5 0
3 years ago
PLEASE HELP TOP ANSWER GETS BRAINLIEST!! ***Solve for m: 3.2(4m + 10) – (-7.2m) = 37 ***!!!!!!!
alisha [4.7K]

Answer:

1/4 or 0.25

Step-by-step explanation:

  • 3.2(4m + 10) – (-7.2m) = 37
  • 12.8m+32+7.2m=37
  • 20m= 37-32
  • 20m=5
  • m=5/20= 1/4 or 0.25
7 0
4 years ago
Yesterday, 58 of the 72 students in a contest gave their speeches. How many students gave their speeches? Write your answer in s
DedPeter [7]
So 58 out of 72
therefor
58/72
divide both by 2
58/2=29
72/2=36

29/36
29 is prime so that is simplest form
29/36 is answer
4 0
3 years ago
Read 2 more answers
(Step to step work)<br><br> sin x(cotx + tanx)
11Alexandr11 [23.1K]

solving sin(x)(cot(x) + tan(x)) we get sec(x)

Step-by-step explanation:

We need to solve: sin(x)(cot(x) + tan(x))

Solving:

We know:

cot(x)=\frac{cos(x)}{sin(x)}\\ and\,\,tan(x)=\frac{sin(x)}{cos(x)}

Putting the values of cot(x) and tan(x):

sin(x)(cot(x) + tan(x))\\=sin(x)(\frac{cos(x)}{sin(x)}+\frac{sin(x)}{cos(x)})

Taking LCM:

=sin(x)(\frac{cos(x)cos(x)+sin(x)sin(x)}{sin(x)cos(x)})\\=sin(x)(\frac{cos^2(x)+sin^2(x)}{sin(x)cos(x)})

We know that: cos^2x+sin^2x=1

and using identity: cos(x)sin(x)=sin(2x)*1/2

=sin(x)(\frac{1}{sin(2x)\frac{1}{2}})\\=sin(x)(\frac{2}{sin(2x)})

Using identity: sin(2x)=2cos(x)sin(x)

=sin(x)(\frac{2}{2sin(x)cos(x)})\\Cancelling\,\,same\,\,terms\,\,in\,\,numerator\,\,and\,\,denominator:\\=\frac{1}{cos(x)} \\=sec(x)

So, solving sin(x)(cot(x) + tan(x)) we get sec(x)

Keywords: Trigonometry

Learn more about Trigonometry at:

  • brainly.com/question/13219835
  • brainly.com/question/5013374
  • brainly.com/question/9532142

#learnwithBrainly

8 0
3 years ago
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