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OLga [1]
2 years ago
6

What is the answer to 21-3c if c=7

Mathematics
2 answers:
Tema [17]2 years ago
5 0

Answer:

0

Step-by-step explanation:

Anna007 [38]2 years ago
5 0

Answer:

0

Step-by-step explanation:

23-(3x7)

u plug in 7 to the c

then 3 x 7 = 21

21- 21 = 0

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Write 6:58 pm in a 24-hour time<br>format<br>​
Gre4nikov [31]

Answer:

Step-by-step explanation:

Military Time 0658 is: 06:58 AM using 12-hour clock notation, 06:58 using 24-hour clock notation.

5 0
3 years ago
Find three consecutive odd integers whose sum is 495.
dedylja [7]

The three consecutive odd integers whose sum is 495 are 163, 165, and 167.

What are consecutive numbers?

⇒ Integers that are listed in a consistent counting pattern are referred to as consecutive integers. There are no numbers missed while listing consecutive integers in a sequence, so the difference between them is always fixed. The difference between each subsequent integer is 1, for instance, can be written as -4, -3, -2, -1, 0, 1, 2, 3, and so on.

What are consecutive odd integers?

⇒ Consecutive odd numbers are odd integers that are separated by 2 and come after one another. If the number x is odd, then the numbers x + 2, x + 4, and x + 6 are also odd.

Calculation:

We are going to take an odd number, x, write its subsequent consecutive numbers, add all of them together, then equate them to  495 to find the number. The equation for x is then resolved.

We have been given that the sum of 3 consecutive odd numbers is equal to 495.

Let the first consecutive odd integer is x.

⇒ Then the next consecutive odd integers becomes x + 2 and the next term becomes x + 2 + 2 = x + 4.

Now the sum of these three odd consecutive terms = x + x + 2 + x + 4 = 3x + 6.

According to the given,

3x + 6 = 495

3x=489

x=163

⇒ Hence, the three consecutive odd integers whose sum is 495 are 163, 165, and 167.

Learn more about consecutive numbers here: brainly.com/question/10853762

#SPJ9

6 0
2 years ago
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Alborosie
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4 0
3 years ago
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What is the value of n in the equation below?
Orlov [11]

Answer:

wheres the question?......

3 0
3 years ago
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The scatter plot shows the average heights of children up to age 5.
Over [174]

Answer:

(a) y = 4.5x  + 22 -- The equation

(b) 31 inches

Step-by-step explanation:

Given

See attachment

Solving (a): The equation of the trend line.

We start  by calculating the slope (m)

m = \frac{y_2 - y_1}{x_2 - x_1}

Where

(x_1,y_1) = (0,22)

(x_2,y_2) = (4,40)

So, we have:

m = \frac{40 - 22}{4 - 0}

m = \frac{18}{4}

m = 4.5

The equation is then calculated using:

y = m(x-x_1)+y_1

Where:

(x_1,y_1) = (0,22)

m = 4.5

y = 4.5(x - 0) + 22

Open bracket

y = 4.5x - 0 + 22

y = 4.5x  + 22

(b) The height of a 2 year old.

To do this, we substitute 2 for x in y = 4.5x  + 22

y = 4.5 * 2 + 22

y = 9+ 22

y = 31

The prediction is 31 inches

7 0
2 years ago
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