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3 years ago

I need help please and thank you

Mathematics

1 answer:

myrzilka [38]3 years ago

4 0

Answer:

Step-by-step explanation:

Slope = y2- y1/ x2- x1

= 4 - (-2) / 3 -1

= 4+2/ 2

=6/2 = 3

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How could concrete materials be used to explain to young children a number being divisible by 5 or not being divisible by 5?

Alecsey [184]

9514 1404 393

Answer:

have the child arrange the tokens in groups of 5. none left = divisible by 5

Step-by-step explanation:

A number is divisible by 5 if there is no remainder when it is divided into 5 parts. Using "manipulatives," this can be shown a couple of ways:

1) deal the tokens to 5 piles (each pile will have the same number)

2) group the tokens into groups of 5 (no tokens will be left over)

6 0

3 years ago

Is a trapezoid always a polyhedron

mrs_skeptik [129]

No, a trapezoid is at least one pair of parallel sides.
A Polyhedron is a 3 dimensional shape with flat faces - Not all are parallel, therefore it is not always a trapezoid. :-)

8 0

3 years ago

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mafiozo [28]

Answer:

1.) x=3 2.)n= -1/4 3.) h=7

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

-y varies inversely with x. If y = 8 and k (the constant of variation) = 19, what is x?

Dimas [21]

Answer:

Part 1) $x=2.375$

Part 2) $y=3.3$

Part 3) $k=6.7$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

Part 1) y varies inversely with x. If y = 8 and k (the constant of variation) = 19, what is x?

we know that

$y*x=k$

substitute the given values and solve for x

$8*x=19$

$x=19/8$

$x=2.375$

Part 2) y varies inversely with x, and k (the constant of variation) = 23. What is the value of y when x = 7?

we know that

$y*x=k$

substitute the given values and solve for y

$y*7=23$

$y=23/7$

$y=3.3$

Part 3) y varies inversely with x. When y = 6.7, x = 1. What is the value of k, the constant of inverse variation?

we know that

$y*x=k$

substitute the given values and solve for k

$6.7*1=k$

$k=6.7$

6 0

4 years ago

2(x − 6) − 24 = 13 − 5x <br><br> x =

Misha Larkins [42]

Answer:

X=5

Step-by-step explanation:

8 0

3 years ago