2 years ago

Can somebody please help me

Mathematics

1 answer:

Westkost [7]2 years ago

4 0

-5 = n + 14
So, n = -19

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Which expression uses the commutative property of addition and the associative property of multiplication to rewrite the express

musickatia [10]

Step-by-step explanation:

many things are possible.

the only thing we must not do is mixing the addition elements with the multiplication elements.

but we could change the expression to

3×(3×8) + 5

5 + (3×3)×8

5 + (3×8)×3

and so on, and it would always be the same result.

4 0

2 years ago

the last sentence says "which statement best interprets the quotient" also this need to be done before 8:00 :) plzz helpp

Mandarinka [93]

Answer:

A. There are 5 1/6 Three fourths

in 4 1/8

Step-by-step explanation:

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2 years ago

If KC = 31, what is KN?

Valentin [98]

Answer:

If KC = 31 then KN = 33

Step-by-step explanation:

3 0

2 years ago

What is y in the equation 2/3 (2y+1) = 3/7 (2-y)

Alik [6]

Answer:

$y=\frac{4}{37}$

Step-by-step explanation:

$\frac{2}{3}(2y+1)=\frac{3}{7}(2-y)$

$\frac{4}{3}y+\frac{2}{3} =\frac{6}{7}- \frac{3}{7}y$

Add $\frac{3}{7}y$ on both sides and subtract $\frac{2}{3}$ on both sides.

$(\frac{3}{7}y- \frac{2}{3})+\frac{4}{3}y+\frac{2}{3} =\frac{6}{7}- \frac{3}{7}y+(\frac{3}{7}y- \frac{2}{3})$

$\frac{3}{7}y+\frac{4}{3}y=\frac{6}{7}-\frac{2}{3}$

Solve the fractions.

$\frac{(3)(3)+(7)(4)}{(7)(3)}y=\frac{(6)(3)-(7)(2)}{(7)(3)}$

$\frac{9+28}{21} y=\frac{18-14}{21}$

$\frac{37}{21}y =\frac{4}{21}$

Multiply by the reciprocal of the fraction with the variable to isolate the variable. The reciprocal is the inverted fraction.

$\frac{21}{37}*\frac{37}{21}y =\frac{4}{21}*\frac{21}{37}$

$y=\frac{4}{37}$

4 0

3 years ago

Read 2 more answers

The double number line below shows the approximate number of kilograms in a certain number of pounds:

snow_tiger [21]

Answer:

4.00

Step-by-step explanation:

1.00kg=3 pounds

2.00kg=5pounds

3.00kg=7pounds

4.00kg=9pounds

6 0

3 years ago

Can somebody please help me​

Can somebody please help me