I traveled 117 miles in 2.25 hours. What was my average speed? How would I solve this ?

Answers

Answer 1
Answer: 117 miles in 2.25 hours

Divide both numbers by 2.25

52 miles per hour

Answer 2
Answer: You just divide 117 in 2.25 and you will get a answer of.... 52MPH 

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How to solve 42 = 8m + 13m

Answers

The solution to the equation 42 = 8m + 13m is m = 2.

Here, we have,

To solve the equation 42 = 8m + 13m, you can combine like terms and isolate the variable "m".

Here's how you can do it step by step:

Combine the like terms:

42 = (8 + 13)m

Simplify:

42 = 21m

Divide both sides of the equation by 21 to isolate "m":

42/21 = (21m)/21

Simplify further:

2 = m

Therefore, the solution to the equation 42 = 8m + 13m is m = 2.

To learn more on equation click:

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Step one: Add 8m + 13m 
   21m. 

21m = 42. 

Step two: Divide 42 by 21. 

m = 2. 

Jane is making thanksgiving cookies while her daughter mary practices for a maths test. to test her, jane makes her cookies in5 different shapes and groups them according to a logic puzzle. which shape completes the fourth group: triangle, pentagon, square; square, hexagon, hexagon, square; pentagon, hexagon, hexagon, hexagon, square, triangle; hexagon, octagon, octagon, octagon, octagon, ________.

Answers

square square square square

how tall are sally and anna if sally is 0.1m taller than anna and their combined height is 3.16 meters

Answers

Anna = a
sally = 0.1 + a
a + s = 3.16
a + 0.1 + a = 3.16
2a = 3.16 - 0.1
2a = 3.06
a = 1.53
s = 0.1 + 1.53
s = 1.63
set up a simple equation with S FOR SALLY AND A FOR ANNA LOOKS LIKE THIS A+(A+.1)=3.16

Multiple 8 by 10 5. How many zeros are before the decimal point in the product

Answers

your answer would 84.5
multiply the problem and then move your decimal over 1 to the left assuming it was at the end of your answer on the right your answer would be 840.  move 1x to the left then becomes 84.0

In ∆ABC, AC = 15 centimeters, m B = 68°, and m C = 24°. What is BC to two decimal places?6.58 centimeters
9.88 centimeters
13.57 centimeters
16.17 centimeters
19.25 centimeters

Answers

I dont know which math you are in but you can use the law of sins. (A/sin(a))=(B/sin(b)) where the capital letters are the sides (in this case you would put AC or whatever side length it is) and the lower case letters are the measures on the angles.
that may have been confusing but look up the laws of sines and cosine because you'll need to learn them and it's very helpful.
15/sin68 = x/sin88      x is the side BC and to get angle A, do 180-68-24
so x= sin88 (15/sin68)
so the answer to this question would be 16.17 cm

Answer:

16.17 cm would be the answer



Please answer correctly !!!! Will mark brianliest !!!!!!

Answers

Answer:

-3x-5 x-4 I this work good luck

Answer:

-(3x-5) (x-4)

Step-by-step explanation:

-3x^2+17x-20

Factor -1 out of -3x^2

-(3x^2)+17x-20

Factor -1 out of 17x

-(3x^2)-(-17x)-20

Rewrite -20 as -1(20)

-(3x^2)-(-17x)-1(20)

Factor -1 out of -(3x^2)-(-17x)

-(3x^2-17x)-1(20)

Factor -1 out of -(3x^2-17x)-1(20)

-(3x^2-17x+20)

Factor.

-((3x-5)(x-4))

Final Anwser:

-(3x-5) (x-4)