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Bess [88]
3 years ago
14

Please help I WILL OFFER 20 POINTS! - Keisha, Bob, and Tom sent a total of 132 text messages over their cell phones during the w

eekend. Bob sent 3 times as many messages as Tom. Tom sent 7 fewer messages than Keisha. How many messages did they each send?
Mathematics
1 answer:
stellarik [79]3 years ago
6 0

Answer:

Tom: 132 Bob: 396 Keisha: 139

Step-by-step explanation:

132 x 3

132 + 7

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Which of the following coordinates of point C would make triangle ABC similar to triangle LMP ? Look at pic attached :) thank yo
DerKrebs [107]
The triangle ABC is similar to triangle LMP. The order here is very important. The letters correspond to one another
A corresponds to L (first letters of each sequence) 
B corresponds to M (second letters of each sequence)
C corresponds to P (third letters of each sequence)

In a similar fashion, the segments also correspond to one another. 
AB corresponds to LM (first two letters of each sequence)
AC corresponds to LP (first and last letters of each sequence)
BC corresponds to MP (last two letters of each sequence)

------------------------------------

AB corresponds to LM. AB is 4 units long. LM is 2 units long. So AB is twice as long as LM. This ratio (of 2:1) will be applied to every paired corresponding value.

Also, the right angle is at angle M for triangle LMP. The right angle will be at angle B for triangle ABC (since B corresponds to M). The answer will have an x coordinate of 7. So the answer is either choice B or choice C.

If we move 4 units down from point B, we land on (7,-10). That isn't listed as an answer choice. Let's try moving 4 units up from point B. We land on (7,-2). This is an answer choice

So the final answer is choice C) (7,-2)
5 0
4 years ago
Please help!! Due really soon!
Alisiya [41]

9514 1404 393

Answer:

  f(x) = 6x +1

Step-by-step explanation:

Differences in x-values (first row) are 1, 1, 1.

Differences in y-values (second row) are 6, 6, 6.

The constant ratio of differences (6/1) tells you the function is linear, and has a slope of m = 6/1 = 6.

Using the first point in the form ...

  y = mx + b

we have ...

  y = 6x + b

  7 = 6·1 + b . . . . (x, y) = (1, 7)

  1 = b . . . . . . subtract 6

Then the equation can be written ...

  y = 6x +1

In functional form, this is ...

  f(x) = 6x +1

4 0
3 years ago
What is the slope of the graph shown below
stiv31 [10]

Answer:

B=-5

Step-by-step explanation:

Slope=rise/run

The line passes in

P1(-1,3)

and

P2(0,-2)

So slope=(3-(-2))/(-1-0)=5/-1=-5

6 0
3 years ago
How many 1/3 inch cubes does it take to fill a box with the with with 2 and 2/3 in blanks 3 1/3 in in height to 1/3
sveticcg [70]

Answer:

224

Step-by-step explanation:

To make this easier, multiply all the measurements by 3, so you have 1 inch cubes with a box of 8 in. width, 4 in. length, and 7 in. height. This makes it a lot easier to understand as it is finding the volume of the cube, which is width x length x height. This is 8 * 4 * 7 which is 224. - Madison P.

7 0
3 years ago
What is the sum of the solutions of x2 + 9x + 20 = 0?
ZanzabumX [31]

Answer:

Sum of the solutions of x^2+9x+20=0 is -9.

Product of the solutions of 6x^2+7x=3 is -0.50

Step-by-step explanation:

1. x^2+9x+20=0

Given:

The expression whose sum of the solution is required is given as:

x^{2} +9x+20=0

For a quadratic equation of the form ax^2+bx+c=0 the sum of the solutions is given as:

Sum = \frac{-b}{a}

Here, a=1,b=9,c=20

Therefore, the sum of the solutions = -\frac{9}{1}=-9

2. 6x^2+7x=3

Rewriting the above equation in a standard quadratic equation, we get:

6x^2+7x-3=0

For a quadratic equation of the form ax^2+bx+c=0 the product of the solutions is given as:

Product = \frac{c}{a}

Here, a=6,b=7,c=-3

Therefore, the product of the solutions = \frac{-3}{6}=-0.50

6 0
3 years ago
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