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Alex Ar [27]
3 years ago
7

Select three ratios that are equivalent to 11:1

Mathematics
1 answer:
zavuch27 [327]3 years ago
4 0
To solve this problem you must apply the proccedure shown below:

 1. You have the following ratio given in the problem above: 

 11:1

 2. You can rewrite that ratio as below:

 11/1=11

 3. Then, to find three equivalent ratios, you only need to multiply the numerator (11) and the denominator (11) by the sam number. Therefore, you have:

 11x2/1x2=22/2=11
 11x3/1x3=33/3=11
 11x4/1x4=44/4=11

 Therefore, as you can see, the answer is:

 22:2
 33:3
 44:4
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One number is 8 greater than another. The product of the numbers is 84. Find the numbers.
mario62 [17]

Let x,y be the two numbers.

Given that one number is 8 greater than another.

Let x be the smaller number ans y be the greater number.

That is y=x+8. Let this be the first equation.

And also given that product of the two numbers is 84.

That is x × y = 84, let us plugin y=x+8 here.

x × (x+8) = 84

x²+ 8x -84 = 0.

x²+12x-4x-84 = 0

x(x+12)-4(x+12) =0

(x-4)(x+12)=0

That is x= 4 or -12.

<h3>If x=4 , y= 4+ 8 = 12</h3>

<h3>If x= -12, y= -12+8 = -4 </h3>

Hence two positive numbers corresponding to given conditions are 4,12.

And two negative numbers corresponding to given conditions are -12,-4.

Step-by-step explanation:

hope it may help you!!

please mark as brainlist please (´;︵;`)

5 0
3 years ago
If f(x) = |x| + 9 and g(x) = –6, which describes the range of (f + g)(x)?
Leokris [45]
Just want points byeeee hope u fail jkjkjk
3 0
3 years ago
Please help answer these questions. My teacher said they were really easy but I just don't understand. Will mark brainliest !!!
kodGreya [7K]

Answer:

1.  A = 59

2.  A = 43

Step-by-step explanation:

If we have a right triangle  we can use sin, cos and tan.

sin = opp/ hypotenuse

cos= adjacent/ hypotenuse

tan = opposite/ adjacent


For the first problem, we know the opposite and adjacent sides to angle A

tan A = opposite/ adjacent

tan A = 8.8 / 5.2

Take the inverse of each side

tan ^-1 tan A = tan ^-1 (8.8/5.2)

A = 59.42077313

To the nearest degree

A = 59 degrees


For the second problem, we know the  adjacent side and the hypotenuse to angle A

cos A = adjacent/hypotenuse

cos A = 15.3/21

Take the inverse of each side

cos ^-1 cos A = cos ^-1 (15.3/21)

A = 43.23323481

To the nearest degree

A = 43 degrees


6 0
3 years ago
A recipe from Sally’s "Chocoholic’s Cookbook" requires 70\frac{1}{6} grams of chocolate for each chocolate fudge cake. How many
erik [133]

Answer:

842 grams

Step-by-step explanation:

70\frac{1}{6} =\frac{421}{6}

\frac{421}{6} *12\\\\842

One cake consists of 421/6 grams of chocolate.

Since Sally wants to give 1 cake to 12 friends, we multiply 421/6 and 12.

To make 12 cakes, she needs 842 grams of chocolate.

3 0
3 years ago
A shop has determined that the number of bottles of water they sell on a summer day is a function of the day’s high temperature,
Alik [6]

Answer:

  •          T=t+94

                 Where T is the hight temperature and t is the day

Explanation:

The table shows that every day the<em> High temperature, T (degrees F) </em>increases 1 unit.

Then, this is a linear function with slope = 1ºF / day.

You can use the point-slope equation to determine the <em>function of the high temperature:</em>

  • Point-slope equation:

       y-y_1=m(x-x_1)

  • Choose any point from the table and m = 1. I will use the first point (1,95)

  • m = 1
  • x₁ = 1
  • y₁ = 95

Substitute:

        y-95=1(x-1)\\\\y=x-1+95\\\\y=x+94

Make the variables  y = T, and x = t:

     T=t+94

4 0
3 years ago
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