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kifflom [539]
3 years ago
10

What is the largest number of three consecutive integers whose sum is 42? O A. 13 B. 17 O C. 15 D. 12​

Mathematics
1 answer:
wolverine [178]3 years ago
5 0

Answer: 13

Step-by-step explanation:

3X + 3 - 3 = 42 - 3

3X = 39

3X/3 = 39/3

X = 13

Which means that the first number is 13, the second number is 13 + 1 and the third number is 13 + 2. Therefore, three consecutive integers that add up to 42 are 13, 14, and 15.

13 + 14 + 15 = 42

We know our answer is correct because 13 + 14 + 15 equals 42 as displayed above.

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The equation below describes a proportional relationship between x and y. What is the constant of​ proportionality? Y = 5.32x
yawa3891 [41]

Answer:

5.32

Step-by-step explanation:

The standard equation is

y = kx

k= constant of proportionality

This means in

y=5.32x

k = 5.32

please click heart to give thanks :) happy holidays!

6 0
3 years ago
One survey estimates that, on average, the retail value of a mid-sized car decreases by 8% annually. If the retail value of a ca
ivolga24 [154]
Value in 1 year = V*0.92
6 0
3 years ago
Find the values of a and b.<br> a<br> The diagram is not drawn to scale.<br> a =<br> U<br> b =<br> U
nata0808 [166]

Answer:

a = 36°

b = 144°

Step-by-step explanation:

<h3><u>Method 1</u></h3>

Number of sides = n = 10

Sum of interior angles = (n - 2) × 180°

                                     = (10 - 2) × 180°

                                     = 8 × 180°

                                     = 1440°

Interior angle = b = sum of interior angles ÷ number of sides

                          b = 1440 ÷ 10

                          b = 144°

              a + b = 180° (Sum of angles in the straight line)

         a + 144° = 180°

a + 144° - 144° = 180° - 144°

                    a = 36°

<h3><u>Method 2</u></h3>

Number of sides = 10

Exterior angle = a = 360° ÷ Number of sides

                           a = 360° ÷ 10

                           a = 36°

            a + b = 180° (Sum of angles in the straight line)

        36° + b = 180°

36° + b - 36° = 180° - 36°

                 b = 144°

7 0
2 years ago
Do the quadrilaterals represent a dilation? why or why not?
Flura [38]

Answer: Yes it does represent a dilation... It is enlarged..


Step-by-step explanation:


4 0
3 years ago
2.50c+6a=6344.50 <br> Find each variable
Ksju [112]

Answer:

c=2.4a+2537.8

a=-2.5/6c+1057.4

Step-by-step explanation:

solve for c:

2.50c+6a=6344.50

          -6a         -6a

2.50c=-6a+6344.50

/2.50       /2.50      /2.50

c=2.4a+2537.8

solve for a:

2.50c+6a=6344.50

-2.5c                -2.5c

6a=-2.5c+6344.50

/6       /6       /6

a=-2.5/6c+1057.4

6 0
3 years ago
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