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3 years ago

The following steps can be used to compute

Mathematics

1 answer:

grin007 [14]3 years ago

8 0

Answer:distributive property

Step-by-step explanation:

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A bag contains eight blue marbles six red marbles and four green marbles what is the probability of selecting a red marble repla

Paha777 [63]

Answer: $\frac{2}{27}$

Step-by-step explanation:

blue = 8 , red = 6 , green = 4 , total = 18

red and green

$\frac{6}{18}$ x $\frac{4}{18}$

= $\frac{1}{3}$ x $\frac{2}{9}$

= $\frac{2}{27}$

7 0

3 years ago

A car travels 192 miles using 6 gallons of gas At that rate how far can the car travel using 48 gallons of gas

Helen [10]

Answer: 1536 miles

Step-by-step explanation:

Use proportion to solve problem:

192:6=x:48

192*48=6x

x=192*48/6

x=192*8

X=1536 miles

4 0

4 years ago

What is the value of y in the solution to the following system of equations?

NNADVOKAT [17]

y= -32

Step-by-step explanation:

step 1: from the first equation you will make X the subject of formula, the equation then becomes;

X= 4-y

step 2: substitute X in the second equation, the equation then becomes 5 * [4-y] + 3y = -6

[ 2]

step 3: find the LCM and then cross multiply; 20-5y+6y = -6

20+y = -12

y= -12-20

y= -32

6 0

3 years ago

If m2 3 = 9n and m24 = 24n+15, then what is the value of n?

Nataly_w [17]

Answer:

n = 5

Step-by-step explanation:

$\because m \angle \: 3 + m \angle \: 4 = 180 \degree..(supplementary \: \angle s) \\ \therefore \: 9n + 24n + 15 = 180 \\ \therefore \: 33n = 180 - 15 \\ \therefore \: 33n = 165 \\ n = \frac{165}{33} \\ \huge \red{ \boxed{\therefore \: n = 5}}$

4 0

4 years ago

7/3 + x=3;x math I really need help

Ksju [112]

Given:

The equation is:

$\dfrac{7}{3}+x=3$

To find:

The value of x.

Solution:

We have,

$\dfrac{7}{3}+x=3$

Subtract both sides by $\dfrac{7}{3}$ .

$\dfrac{7}{3}+x-\dfrac{7}{3}=3-\dfrac{7}{3}$

$x=\dfrac{9-7}{3}$

$x=\dfrac{2}{3}$

Therefore, the value of x is $\dfrac{2}{3}$ or it can be written as 0.667.

6 0

3 years ago