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marissa [1.9K]
3 years ago
6

Please help! It will be appreciated!

Mathematics
2 answers:
AysviL [449]3 years ago
8 0
It’s d, looks like you got it already! With ratios, just pay attention to not only the numbers but order of the words as well, so you can be sure the ratio follows the problem.
AnnZ [28]3 years ago
6 0
I think it’s d hope u get it right
You might be interested in
Help pls its been 30 minutes
Elina [12.6K]

Answer:

probability = 6/7

Step-by-step explanation:

a+b+c= 30 students

there are 35 students in total.

=30/35

30/35 fully simplified = 6/7

the probability that a student earns a grade of A, B, or C is 6/7.

also, 6/7 as a decimal rounded the nearest hundreth is 0.86, FYI.

6 0
3 years ago
Pls help find x and y plsssss
SIZIF [17.4K]

Answer:x=143

Step-by-step explanation: set 128=X-15 add 15 to both sides

5 0
2 years ago
Read 2 more answers
After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A'(6,3), B'(-2, 1)
Fed [463]

Answer:

  • A(3, -6)
  • B(1, 2)
  • C(7, -1)

Step-by-step explanation:

Rotation by -90° about the origin is the transformation ...

  (x, y) ⇒ (y, -x)

So, your pre-image points are ...

  A'(6, 3) ⇒ A(3, -6)

  B'(-2, 1) ⇒ B(1, 2)

  C'(1, 7) ⇒ C(7, -1)

8 0
3 years ago
The numerator and the denominator of a fraction are thirteen and fifty, respectively. When a certain number is added to this num
Talja [164]
(13 + x)/(50 - x ) = (2/1)
Cross Multiply
2(50-x) = 1(13 + x)
100 - 2x = 13 + x
add 2x to both sides
100 -2x + 2x = 13 + x + 2x
100 = 13 + 3x
Subtract 13 from both sides
100 - 13 = 13 - 13 + 3x
87 = 3x
divide both sides by 3
29 = x

(13 + 29)/(50-29) = 42/21 = 2 to 1 ratio
7 0
2 years ago
Read 2 more answers
Please help quick.
GREYUIT [131]

Answer:

The answer to your question is: third option is correct

Step-by-step explanation:

Data

F (5, -1)

directrix   y = 1

Then, after getting the graph, the vertix = (5, 0)

                                                        and p = 1

                 Formula

                              (x - h) ² = -4p(y - k)

                              (x - 5)² = -4(1)(y - 0)

                              (x - 5)² = -4y

                              y = (x - 5)² / -4

3 0
3 years ago
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