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Diano4ka-milaya [45]
3 years ago
9

NEED HELP ASAP please help with correct answers

Mathematics
2 answers:
vlada-n [284]3 years ago
8 0
Since this question is already answered, I'm sure you got it. But I'm also pretty sure you had the right answer at first, until you erased it. c:
Vlad [161]3 years ago
6 0
Alright Lizzie, here it is:

[ f(b) - f(a) ] / b - a

[ 1475 - 950 ] / 5 - 2

525 / 3

175

So you had the right answer, but you erased it. 

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PLEASE PLEASE HELP IM TIMED!! Just look at the picture
barxatty [35]
The first one A 7/2
You can just round up 6.75 -> 7 and 1.67->2
4 0
2 years ago
Read 2 more answers
Could someone help me out with these problems? Sorry
AleksandrR [38]

Answer:

  3. 63°

  4. x = 13

Step-by-step explanation:

3. The exterior angle is equal to the sum of the opposite interior angles.

  118° = (4x +7)° + (6x -9)°

  120 = 10x . . . . . . . . . divide by °, add 2

  12 = x

   m∠K = (6x -9)° = (6·12 -9)°

   m∠K = 63°

__

4. Corresponding angles are congruent, and the sum of angles in a triangle is 180°.

  74° + (5x)° + (3x+2)° = 180°

  8x = 104 . . . . . . . . . . . . . . . divide by °, subtract 76

  x = 13 . . . . . . . . . . . . . . . . . .divide by 8

8 0
4 years ago
Chris worked 28 hours last month and earned $9 per hour. He spent $18 of his earnings since then.How much money does he have lef
uranmaximum [27]
The answer would be 234. You will multiply 28 by 9 and minus 18.
6 0
3 years ago
Read 2 more answers
Please help. I’ll mark you as brainliest if correct
saul85 [17]

Answer:

25.12

Step-by-step explanation:

C = 2pir

2 * pi = 6.28, 6.28 * 4 = 25.12

5 0
3 years ago
the speed of a stream is 4mph. If a boat travels 92 miles downstream in the same time that it takes to travel 46 miles upstream,
Elanso [62]

Answer:

12 miles per hour

Step-by-step explanation:

Let speed of boat in still water be "x"

and speed of current be "c"

So, downstream rate would be "x + c"

And, upstream rate would be "x - c"

Now, given c = 4

We can use the distance formula, D = RT, where

D is distance, R is rate, and T is time

to solve this.

Downstream:

D = RT

92 = (x+4)(t)

Upstream:

D = RT

46 = (x-4)(t)

Both the times are same, we can equate both the times. Lets simplify first:

t = 92/(x+4)

and

t = 46/(x-4)

Equate:

\frac{92}{x+4}=\frac{46}{x-4}

Now, cross multiply and solve for x to get our answer:

\frac{92}{x+4}=\frac{46}{x-4}\\92(x-4)=46(x+4)\\92x-368=46x+184\\46x=552\\x=12

Speed of Boat (in still water) = 12 mph

6 0
3 years ago
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