Find the X-intercept of the line 4x+11y=20

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

To find the x-intercept of the line 4x+11y=20, we need to set y=0 and solve for x. This is because the x-intercept is the point where the line crosses the x-axis, which is the point where y=0.

First, substitute y=0 into the equation: 4x+11(0)=20

Simplify: 4x=20

Solve for x: x=5

Therefore, the x-intercept of the line 4x+11y=20 is 5.

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Write y = –2/3x + 7 in standard form using integers. 2x + 3y = 21
3x – 2y = 21
–2x – 3y = 21
–2x + 3y = 7

Answers

The standard form of an equation of a line is written as:

Ax + By = C

where A, B and C are constants.

y = –2/3x + 7
2/3x + y = 7
(2/3x + y = 7)3
2x + 3y = 21

Therefore the correct answer is the first option.

A bag contains 8 red, 4 blue, and 4 yellow marbles. What is the probability of randomly choosing 2 blue marbles without replacement? Write the answer as a decimal. Round to the nearest hundredth if needed. And What is the probability of getting heads, tails, and heads, in that order when flipping a coin? are these events dependent or independent? A. 1/8 dependent B. 1/8 independent C. 1/6 dependent D. 1/6 independent. Please help me i really need it thank you so much for whoever helps me.

Answers

Answer: The probability of randomly choosing 2 blue marbles without replacement is $0.05$ .

B. The probability of getting heads, tails, and heads, in that order when flipping a coin is 1/8.

These events are independent.

Step-by-step explanation:

Given: The number of blue marbles in the bag = 4

The total number of marbles in the bag = $8+4+4=16$

After choosing one marble, the total marbles remains in the bag = $16+1=15$

If first marble is blue, then number of blue marbles in bag =

Now, the the probability of randomly choosing 2 blue marbles without replacement is given by :-

$(4)/(16)*(3)/(15)=(1)/(20)=0.05$

Hence, the probability of randomly choosing 2 blue marbles without replacement is $0.05$ .

In order when flipping a coin.

Total outcomes = 2

Then, the probability of getting heads, tails, and heads, in that order when flipping a coin is given by :-

$(1)/(2)*(1)/(2)*(1)/(2)=(1)/(8)$

These events are independent of each other because the next event is not affected by the previous event.

bags = 8+4+4=16
firs step
p1=4/16
second step
p2=3/15
P=4/16*3/15=1/4*1/5=1/20=0,05 - correct answer

(10pts) A train left a station at 8:00 amgoing at 45 mph. A second train left the station
at 10:00 am going in the same direction at 55
mph. At what time will the second train catch
up with the first train?

Answers

Answer:

12:00 i think

Step-by-step explanation:

hope this helps

Which of the following is the correct graph of the linear equation below? y+2=1/5(x-1)

Answers

Answer:

See attachment

Step-by-step explanation:

Megan bought 50 beads for $9.95. she received a 10% discount, she paid a sales tax of 6%. how much did she pay fro the beads

Answers

$9.49; 10% of $9.95 is $0.995 which rounds up to a dollar; $9.95 - $1.00 = $8.95; 6% of $8.95 = $0.537 which rounds up to $0.54, so total paid is $8.95 + $0.54 = $9.49.

In a given amount of time, Mary drove twice as far as Lynn. Altogether they drove 60 miles. How far did Marydrive?
A. 20 miles
B. 30 miles
C. 40 miles
D. 45 miles

Answers

Answer:

40 its c

Step-by-step explanation:

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Use this information for exercises 11-14.parents are older than their children.the ratio of a parent´sage to a child´s age changes as the parent and child get older. 11.can a parent ever be exactly twice as old as his or her child?explain. 12.can a parent ever exactly three times as old as his or her child?.explain 13.can the ratio of a parent's ageto his or her child's age ever be exactly 3:2?explain 14.can the ratio of a parent's age to his or her child's age ever be exactly 10:9?explain. plz help me its urgent!