MATHEMATICS HIGH SCHOOL

Solve the equation. Then check your solution.X-4=2

A. -6
B. 6
C. 7
D. -2

It’s B

Answers

Answer 1
Answer:

Answer: B

Step-by-step explanation: 6-4=2
Answer 2
Answer: B because 6-4=2 and 4+2=6 so yes it’s B

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Solve for c ab+c=5 c=5/ab c=5-ab c=5+ab
What prompted the United States to join the fighting in World War I?a. the assassination of an archdukeb. an attack on Pearl Harborc. the sinking of American ships in the Pacificd. the sinking of American ships in the Atlantic
Which function has real zeros at x = –8 and x = 5?g(x) = x2 + 3x – 40 g(x) = x2 + 3x + 40 g(x) = x2 + 14x – 40 g(x) = x2 + 14x + 40

Question
Simplify the expression.

(−34p)^3

Answers

Answer:

I hope this is the answer you’re looking for

-39304p^3

Step-by-step explanation:

In the last 2 weeks, a plant grew 1/16 in. and 3/16 in. respectively.How much did the plant grow in the last 2 weeks?

Express your answer in lowest terms.


in.

Answers

Answer: (1)/(4)\ in.

Step-by-step explanation:

Given: In the last 2 weeks, a plant grew (1)/(16)\ in. and (3)/(16)\ in.respectively.

To find the total plant growth in the last 2 weeks, we need to add the growth registered in each week.

Thus, the total growth = (1)/(16)+(3)/(16)=(4)/(16)=(1)/(4)\ in.

Hence, the plant grow (1)/(4)\ in. in the last 2 weeks.
1/16 + 3/16=4/16 = 2/8 = 1/4 = The total amount of growth in the last two weeks.

if its length is 2x-3 feet and its width is 5x+1 feet, what is the actual length and width of the rectangle ? ( a rectangle has an area of 1281 square feet.)

Answers

( 2x - 3) X ( 5x +1) = 1281

*it's a quadratic

10x² -13x -3 = 1281  * move 1281 to the left side to equal zero

10x² -13x - 1284= 0
 

and solve to look for the zeros....

Do you know how to?

A car traveled twice as fast on a dry road as it did making the return on a slippery road. the trip was 60 mi each way, and the round trip took 35 hr.

Answers

If it was 60 miles round trip, each way was therefore 30 miles.
Let x represent the hours taken on the dry road.  Slippery road was then 2x.  2x + x = 3x.  35 / 3 = 11.66… = x.
So, on the dry road, the car took 11.66…  hours.
For the slippery one, 2 * 11.66… or 23.33…  hours.
Convert to mph, shall we?
Dry road:
30 miles / 11.66… hours = 2.57… mph.
Slippery road:
30 miles / 23.33… hours = 1.28… mph.
If that’s what you’re looking for — you never quite asked.

the sum of three consecutive integer is 88. identify the variable and write an equation the describes the situation.

Answers

Lets say that you take n as the integer. Now you'll add it with 3 numbers. n+(n+1)+(n+2)=88. Now add 'em up, the sum is 3n+3=88. Take the 3 to the other side and subtract it from 88 which is 85. Now it'll be n= 85/3

A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo increased?a. 50
b. 80
c. 100
d. 125
e. 250

Answers

It is easier to show th anser using fractions.

Do=original diameter
Ao=Original area
Df=Final diameter
Af=Final area

Df=(1+50%)Do=(1+1/2)Do=3/2*Do

Ao=pi/4*(Do)^2
Af=pi/4*(Df)^2=pi/4*(3/2*Do)^2=pi/4*9/...

Comparing the initial and final area:

Af/Ao=(pi/4*9/4*(Do)^2)/(pi/4*(Do)^2)

simplifying

Af/Ao=9/4=225%

Therefore the increment is 9/4-1=5/4=125%

Or equivalently: 225%-100%=125%

Therefore the answer is "D."

Note: there is calculate the increment in the difference not how many times the area changed.

Hope this helps ;)
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