2 years ago

What value of x is in the solution set of 3(x-4) 25x + 2?

Mathematics

1 answer:

Eduardwww [97]2 years ago

3 0

Answer:

I assumed that there is a plus sign after the close parenthesis

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Which point is a solution to the system of equations?<br> y = 2x + 2<br> Y = 3x

Kay [80]

Answer:

(2,6)

Step-by-step explanation:

y = 2x + 2

Y = 3x

2x+2=3x

2x-3x+2=0

-x+2=0

-x=-2

x=2

y=3(2)=6

7 0

2 years ago

A bag contains 42 red marbles, 6 white marbles, and 8 gray marbles. You randomly pick out a marble, record its color, and put it

Elanso [62]

For any single draw,

$\mathbb P(\text{white})=\dfrac6{42+6+8}=\dfrac6{56}$
$\mathbb P(\text{gray})=\dfrac8{42+6+8}=\dfrac8{56}$

Drawing a white marble or a gray marble are disjoint events; only one of them can happen. So

$\mathbb P(\text{white or gray})=\mathbb P(\text{white})+\mathbb P(\text{gray})-\underbrace{\mathbb P(\text{white and gray})}_0$
$\mathbb P(\text{white or gray})=\dfrac6{56}+\dfrac8{56}=\dfrac{14}{56}$

Out of 224 draws, you should expect $\dfrac{14}{56}\times224=56$ of the marbles to be either white or gray.

6 0

3 years ago

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The scale of a map is 1 1/4 inches = 100 miles. On the map, two rivers are 4 1/8 inches apart. What is the distance between the

SVETLANKA909090 [29]

Im not sure but it think its 410 mile long, idk double check by changing it into eighths
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2 years ago

20. Which of the following decimals is equal to 30 percent? A. 0.3 B. 3 C. 30 D. 300

vivado [14]

The answer is A. .3 because do find the percent from a decimal you need to move the decimal point two to the right, so in this case it will be 30 or 30%

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2 years ago

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A snail move 6 feet every 10 hours. how far it does in 15 hours

Anna007 [38]

6 feet:10 hours

multiply by 1.5 on both sides

9 feet:15 hours

answer: 9 ft

4 0

3 years ago