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Ber [7]
3 years ago
11

The sum of 6 and a number is 15

Mathematics
2 answers:
alexandr402 [8]3 years ago
8 0

Answer:

15+6=21

Step-by-step explanation:

Nostrana [21]3 years ago
3 0

Answer:

21

Image result for the sum of 6 and a number is 15

In mathematics, sum can be defined as the result or answer we get on adding two or more numbers or terms. Here, for example, addends 8 and 5 add up to make the sum 13.

Step-by-step explanation:

https://www.wyzant.com/resources/answers/515691/six_times_the_sum_of_a_number_and_15_is_42

https://www.splashlearn.com/math-vocabulary/addition/sum

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Well, in the real would many people spend more than $30.
8 0
3 years ago
What is the slope of the graph?
Keith_Richards [23]

Use the coordinates of the two black dots:

(2,3) and (7,6)

Slope is the change in Y over the change in X:

Slope = (6-3) / (7-2)

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4 0
3 years ago
What are 3 consecutive integers whose product is -120
iren2701 [21]
Consecutive integers are 1 apart
x,x+1,x+2
(x)(x+1)(x+2)=-120
x^3+3x^2+3x=-120
add 120 to both sides
x^3+3x^2+3x+120=0
factor
(x+6)(x^2-3x+20)=0
set each to zero

x+6=0
x=-6

x^2-3x+20=0
will yeild non-real result, discard
x=-6
x+1=-5
x+2=-4
the numbers are -4,-5,-6



use trial and error and logic
factor 120
120=2*2*2*3*5
how can we rearange these numbers in (x)(y)(z) format such that they multiply to 120?
obviously, the 5 has to stay since 2*5=10 which is out of range
so 2*2*2*3 has to arrange to get 3,4 or 4, 6 or 6,7
obviously, 7 cannot happen since it is prime
3 and 4 results in in 12, but 2*2*2*3=24
therfor answer is 4 and 6
they are all negative since negaive cancel except 1

the numbers are -4,-5,-6
5 0
3 years ago
Find the area of a regular hexagon whose apothem is 1.7 cm and side length is 2 cm.. A. 20.4 cm2. B. 3.4 cm2. C. 6.8 cm2. D. 10.
Kipish [7]
A regular hexagon is composed of 6 regular triangles whose area is equal to half of the product of the apothem and side.
                        A - triangle = (1/2)(a)(s) = (1/2)(1.7 cm)(2 cm) = 1.7 cm²
Multiplying this area by 6 to get the area of the hexagon gives as the answer which is 10.2 cm². Therefore, the answer is letter D. 
5 0
3 years ago
If x + 1/x = 5, find the value of x^3 + 1/x^3
Aneli [31]

Answer:

x=5/3 your answer right answer

3 0
3 years ago
Read 2 more answers
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