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stepladder [879]
3 years ago
12

Help the two questions above please!

Mathematics
1 answer:
MArishka [77]3 years ago
5 0

the answer is d and d i think im not sure for the second one but 100% sure for first one

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X + 5y = 24 5x = 12 - y
Travka [436]

Answer: x = 3/2 y = 9/2

Step-by-step explanation:

Subtract  

5 y

Replace all occurrences of x

from both sides of the equation.

8 0
4 years ago
There are 90 students in a speech contest. Yesterday 2/3 of them gave their speeches. Today,1/3 of the remaining gave their spee
V125BC [204]

Answer:

The number of the students is 20.

Step-by-step explanation:

Total number of students in the speech contest = 90

Number of students that gave their speeches yesterday = \frac{2}{3} of 90

                                                  = \frac{2}{3} x 90

                                                  = 60

Number of remaining students who have not given their speeches after the first day = 90 - 60

                                                 = 30

Number of students that gave their speeches today = \frac{1}{3} of 30

                                                  = \frac{1}{3} x 30

                                                  = 10

Number of students that have not given their speeches = 30 - 10

                                                    = 20

Thus, 20 students have not given their speeches.

7 0
3 years ago
Which of these is the bet definition of an ellipse
Julli [10]
A regular oval shape, traced by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant, or resulting when a cone is cut by an oblique plane which does not intersect the base.


7 0
4 years ago
18°+2, what is the value of y?
Travka [436]

Answer:

Were is y located at?

Step-by-step explanation:

5 0
3 years ago
Indicate the equation of the given line in standard form.
ASHA 777 [7]
You must convert point slope form to standard form in this problem. point= (h,k)

POINT SLOPE:
y-(-1)=(3/4)(x-2)
y+1=(3/4)x-(3/2)
y= (3/4)x-(5/2)

7 0
4 years ago
Read 2 more answers
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