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3 years ago

How many elements are in the set {whole numbers between 3 and 15}? 11 12 13

2 answers:

7 0

Let S be the set of whole numbers between 3 and 15 then S={3,4,5,6,7,8,9,10,11,12,13,14,15} so How many elements are in the set ? just count them..

Softa [21]3 years ago

7 0

Whole numbers between 3 and 15 are given by:

{4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}

Therefore, to answer the question, what we must do is to count the number of whole numbers that we have inside the set.

We note that, without including number 3 and including number 15, the number of integers is equal to 11.

Answer:

There are 11 elements in the set of whole numbers between 3 and 15.

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Prove that the circumcenter of a triangle is equidistant from its vertices.

ruslelena [56]

Answer:

Step-by-step explanation:

The circumcenter is equidistant from the three vertices of the triangle. From the figure shown, we will prove DA = DB = DC. 2) DA = DB, DC = DB(If a point is on the perp. bisector of a segment, it is equidistant from each endpoint of the segment.)

5 0

3 years ago

the fifth grade class has made paper chains for a Fall Festival each chains they made was 5ft 8in long how many inches long was

Igoryamba

Answer:

68 inches

Step-by-step explanation:

The chains are 5ft and 8 inches long.

Your answer must be in inches, so convert any non-inch units to inches.

5 ft * $\frac{1 ft}{12 in}$ = 60 inches

60 inches + 8 inches = 68 inches

5 0

3 years ago

PLEASE HELP ME ANYONE ???????????!!!

antiseptic1488 [7]

Answer:

A x>9

Step-by-step explanation:

add 4 to both sides and ta da

3 0

3 years ago

Read 2 more answers

What kind of solution is -4x-4=-7(x+4) ?

natima [27]

~ Simplifying

-4x + -4 = -7(x + 4)

~ Reorder the terms:

-4 + -4x = -7(x + 4)

~ Reorder the terms:

-4 + -4x = -7(4 + x)

-4 + -4x = (4 * -7 + x * -7)

-4 + -4x = (-28 + -7x)

~ Solving

-4 + -4x = -28 + -7x

~ Solving for variable 'x'.

~ Move all terms containing x to the left, all other terms to the right.

~ Add '7x' to each side of the equation.

-4 + -4x + 7x = -28 + -7x + 7x

~ Combine like terms: -4x + 7x = 3x

-4 + 3x = -28 + -7x + 7x

~ Combine like terms: -7x + 7x = 0

-4 + 3x = -28 + 0

-4 + 3x = -28

~ Add '4' to each side of the equation.

-4 + 4 + 3x = -28 + 4

~ Combine like terms: -4 + 4 = 0

0 + 3x = -28 + 4

3x = -28 + 4

~ Combine like terms: -28 + 4 = -24

3x = -24

~ Divide each side by '3'.

x = -8

~ Simplifying

x = -8

8 0

3 years ago

Read 2 more answers

△WPJ∼△DNJ What is PWPW ? Enter your answer in the box.

Kruka [31]

Use CPCTC and make ratios and proportionalities to find the value of segment PW:

If △WPJ∼△DNJ, then according to CPCTC, WP must be proportional to DN and PJ must be proportional to JN. Now, we can make a ratio:

$\frac{WP}{DN}= \frac{PJ}{NJ}$

Substitute the values that are given in the diagram.
DN=87.5
NJ=56
PJ=64

$\frac{WP}{87.5}= \frac{64}{56}$

Solve for x. You can do it by cross-multiplication.

$\frac{WP}{87.5}= \frac{64}{56} \\ 56*WP=64*87.5 \\ 56*WP=5600 \\ WP=100$

The measure of segment WP is 100 meters.

5 0

3 years ago