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3 years ago

Which of the following ordered pairs represents the solution to the system given below? (4 points)

Mathematics

2 answers:

vichka [17]3 years ago

7 0

the person with the answer 10,0 put the right answer give them credit

marta [7]3 years ago

6 0

Answer:

(10, 0)

Step-by-step explanation:

(10, 0) satisfies both of the system equations: 2(10) + 0 = 20 and 4(10) - 0 = 40.

(0, 10) does not.

(4, 2) does not.

(10, -10) does not.

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77julia77 [94]

Answer:

$- \frac{1}{2}$

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3 years ago

Counselors at Rockport High School and Riverdale High School surveyed the graduating seniors to find out their post-high-school

siniylev [52]

The percentage shows that they were 28% more likely to come from Riverdale High school.

<h3>How to calculate the percentage?</h3>

From the information given, the percentage of those from Rockport will be:

= 25/(25 + 44) × 100.

= 25/69 × 100

= 36.23%

The percentage of those from Riverdale will be:

= 44/(25 + 44) × 100.

= 44/69 × 100

= 63.77%

Therefore, the difference will be:

= 63.77% - 36.23%

= 28% approximately.

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2 years ago

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Monica [59]

Answer:

Step-by-step explanation:

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7 0

3 years ago

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Find the slope between the two points given. Then, use the slope and the first point to write the equation of the line in Point-

Vera_Pavlovna [14]

M(slope)= -5/4 point-slope(y-y1=m(x-x1)) so it would be y-5= -5/4(x+4)

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3 years ago

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the first term of an arithmetic sequence is 10 and the sum of the first five terms is 250,find the sequence

Crazy boy [7]

Answer:

The sequence is:

10, 30, 50, 70, 90.....................

Step-by-step explanation:

We have,

First term (a) = 10

Common difference (d) = ?

Sum of first 5 terms ( $S_{5}$ ) = 250

or, $\frac{n}{2} [{2a+(n-1)d}] = 250$

or, $\frac{5}{2} [2*10 + 4d]=250$

or, $\frac{5}{2} * 4[5+d]=250$

or, 10(5 + d) =250

or, 5 + d = 25

∴ d = 20

Now,

2nd term = a + d = 10 + 20 = 30

3rd term = a + 2d = 10 + 2*20 = 10 + 40 = 50

4th term = a + 3d = 10 + 3*20 = 10 + 60 = 70

5th term = a + 4d = 10 + 4*20 = 10 + 80 = 90

8 0

3 years ago