MATHEMATICS HIGH SCHOOL

What is the product?(2x – 1)(x + 4)

2x2 – 4
2x2 + 4
2x2 + 7x – 4
2x2 – 7x – 4

Answers

Answer 1
Answer: the answer is the third one 2x^2+7x-4
Answer 2
Answer:

Answer:

the answer is the c. 2x^2+7x-4

Step-by-step explanation:

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Find the length of the third side. If necessary, write in simplest radical form​
How much would $500 invested at 4% interest compounded continuously be worth after 7 years? Round your answer to the nearest cent. A. $640.00B. $648.71C. $657.97D. $661.55
How do you solve? Show your work. -14 - 6x = x + 7
Answer correct for brainliest and also get a thanks !:-) answer A and B!
Compare the graphs of the inverse variations y=-0.2/x and y=-0.3/x. Provide at least 3 comparisons

Round each fraction to the nearest half and find the estimate. 2/6 + 1/6 one half 1 one and one half 2

Answers

Answer:

one half

Step-by-step explanation:

Given the expression

2/6 + 1/6

Find the LCM

= (2+1)/(6) \n= (3)/(6) \n= (3*1)/(3*2)\n= (3)/(3) * (1)/(2) \n= 1 * (1)/(2)\n= (1)/(2)

Hence the required result is one half

joe drank 4 liters of water on monday and 4 deciliters of water on tuesday. how much more water did he drink on monday tha on tuesn

Answers

What is the unit which is required for the answer?
1 liter = 10 dl
4 l      = x
x = 4*10 = 40 dl on Monday

On Tuesday - 4 dl

40-4 = 36 dl. drank more on Monday than on Tuesday.

Please do 3 & 4 and show work

Answers

Answer:

3. A=B=70°; C=D=110°

4. A=90°; C=48°

Step-by-step explanation:

Same-side angles of a trapezoid add to 180°.

___

3. (2x) +(x+15) = 180

3x + 15 = 180 . . . . simplify

x +5 = 60 . . . . . . . divide by 3

x = 55

A=B=(x+15)° = (55+15)° = 70°

C=D=2x° = 2·55° = 110°

__

4. You are given the values of one of the angles on each side, so the other can be found by subtraction:

A=180°-D = 90°

C = 180° -132° = 48°

Tiana can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. If they decide to clear the field together, how long will it take them?

Answers

First, combine all the hours they can clear the football field, 3 hours by Tiana plus 2 hours by Jacob, a total of 5 hours. Then get the average hours that it would take them to clear a football field by dividing 5 hours by 2. So, it will take them 2.5 hours to clear the football field together.
A really quick way to solve problems like this. (where you have separate hours for individuals, and are asked to get the time it takes when combined is.) In this case: Tiana can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. If they decide to clear the field together, how long will it take them? set up a fraction where total hours multiplied/total hours added up in this case would be 6/5, just convert to hours and minutes.

WILL GIVE BRAINLIEST! What is 24 written as a percent?

Answers

Answer:

24%

Step-by-step explanation:You divide it by a hundred percent and overall it equals 24% since 24 out of one hundred (24/100) it would be 24% of that.

Now you owe me brainly. Thanks.(:

In triangle NQL, point S is the centroid, NS = (x + 10) feet, and SR = (x + 3) feet. Triangle N Q L has centroid S. Lines are drawn from each point to the midpoint of the opposite side to form line segments N R, Q M, and L P. The length of line segment N S is x + 10 and the length of line segment S R is x + 3.

What is RS?

4 feet
7 feet
10 feet
14 feet

Answers

Answer:

B. 7 feet

Step-by-step explanation:

Given:

NS = (x + 10) ft

SR = (x + 3) ft

Required:

RS

SOLUTION:

Based in the centroid theorem, the centroid, S will divide the median, line segment NR, into NS and SR, such that NS : SR = 2 : 1.

Therefore:

NS = 2(SR)

x + 10 = 2(x + 3) (substitution)

Solve for x

x + 10 = 2x + 6

Collect like terms

x - 2x = -10 + 6

-x = -4

divide both sides by -1

x = 4

SR = (x + 3) ft (SR is same as RS)

Plug in the value of x

SR = (4 + 3) ft

SR = RS = 7 ft

Answer:

i got b too

Step-by-step explanation:
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