MATHEMATICS MIDDLE SCHOOL

9e−7=7e−11 what does e=

Answers

Answer 1
Answer: E=MC^2 Einseins theory of relativity?

I like to make science jokes
Answer 2
Answer: E would equal 2 I hope this helps

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10. A small plane was scheduled to fly from Atlanta to Washington, D.C. The plane flies at a constant speed of 230 miles perhour. However, the flight was against a head wind of 10 miles per hour. The threat of mechanical failure forced the plane to
turn back, and it returned to Atlanta with a tail wind of 10 miles per hour, landing 2.3 hours after it had taken off.
Complete parts a through b.
a. How far had the plane traveled before turning back?
The plane had traveled
(1)
before turning back.
(Type an integer or decimal rounded to two decimal places as needed.)
b. What was the plane's average speed?
The plane's average speed was
(2) -
(Type an integer or decimal rounded to two decimal places as needed.)
(1)
(2)
O miles
miles per hour
O hours
miles per hour
hours
miles.

Answers

Answer:  The plane had traveled about 264 miles before turning back. The average speed was 230 mph

Step-by-step explanation: 230 - 10 = 220 speed outgoing

230+10 = 240 speed returning  

Average speed (220+240)÷2= 460/2 =230 mph (needless to calculate!) Multiplied by total time 2.3 hours = 529 miles total distance.

Traveling the entire distance at 220mph would take about 2.4 hours. Traveling the entire distance at 240mph would take about 2.2 hours, a difference of .20 hours. Cut those times in half:

Traveling at 220mph for 1.2 hours would cover about 264 miles.

Traveling at 240mph for 1.1 hours would cover about 264 miles.

It adds up to 528 miles. The plane can't turn instantly, so figure the turn took the missing mile!

Smith elementary school scored 30 less points in their track meet than Jones elementary school. If Jones elementary school scored x points, write an expression to represent how many points Smith elementary school scored.A) 30x
B) x+30
C) x-30
D) 30-x

Answers

Smith elementary school score is x -30.

What is Expression?

A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression. In a mathematical expression, the following terms are used:

  • An absolute numerical number is referred to as a constant.
  • Variable: A symbol without a set value is referred to as a variable.
  • Term: A term can be made up of a single constant, a single variable, or a mix of variables and constants multiplied or divided.
  • Coefficient: In an expression, a coefficient is a number that is multiplied by a variable.

Given:

Smith elementary school scored 30 less points in their track meet than Jones elementary school.

If Jones elementary school scored x points.

So, Smith elementary school score expression is x -30.

Hence, the expression is x-30.

Learn more about expression here:

brainly.com/question/14083225

#SPJ6

its C i just took the test

~~~30 POINTS~~~
Please answer these three math questions!

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9. I think Austin has more rainfall.
10. Both cities have unguessable rainfalls.
11. I predict the rainfall will continue going high, then low, then high, then low.

Help? I’m not really understanding this.

Answers

Answer:

x = 109

Step-by-step explanation:

(x + 12) \degree + 59 \degree = 180 \degree \n (sum \: of \: exterior \: angles \: on \: same \: side \: \n of \: transversal) \n (x + 71) \degree = 180 \degree \n x + 71 = 180 \n x = 180 - 71 \n \purple{ \bold{ x = 109}}

What is the value of 6P6?   A. 1   B. 36   C. 720   D. 46,656

Answers

6^6=6\cdot6\cdot6\cdot6\cdot6\cdot6=46,656\n\nAnswer:D

The total cost is y = 150 + 55x. Which Statement represents the meaning part of the function

Answers

Answer:

You started with 150.
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