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Goshia [24]
3 years ago
7

Solve the system of equations by using the Elimination Method...4x + 5y = 100 3x - 2y =6​

Mathematics
1 answer:
erastovalidia [21]3 years ago
5 0

Answer:

fm

Step-by-step explanation:

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1) Given the area of a Football field (57,600 sqft), and the dimensions of a
Neporo4naja [7]

Answer:

Option (d).

Step-by-step explanation:

Given that,

The area of a Football field is 57,600 sqft

The dimensions of Basketball court is 84ft x 50ft

We need to find what fraction of the football crowd would fit  on the court. Taking ratio of the area of basket ball court to the football court as follows :

R=\dfrac{84\times 50}{57,600}\\\\R=\dfrac{7}{96}\ =\ 0.0729

It is less than a tenth. Hence, the correct option is (d).

3 0
3 years ago
What is the X-intercept
Vinvika [58]

x intercept is calculated by putting y = 0 in equation which gives us x = 3.

so option 4

6 0
3 years ago
HELP PLEASE!! THANK YOU!
dmitriy555 [2]

Answer: choice B, 40.5 degrees

The triangle is isosceles based on the fact that AC = BC (the tick marks are the same). The angles opposite the congruent sides are also congruent

angle A = angle B = x for some unknown number x

The three angles A,B,C add to 180, so,

A+B+C = 180

x+x+99 = 180

2x+99 = 180

2x = 180-99

2x = 81

x = 81/2

x = 40.5

So angle A and angle B are both 40.5 degrees

Check:

A+B+C = 180

40.5+40.5+99 = 180

180 = 180 answer is confirmed

==============================

Edit

The sides with the two tick marks are the same length, so 7x-4 is the same as length as 31

7x-4 = 31

7x = 31+4

7x = 35

x = 35/7

x = 5

Answer is choice B) 5

3 0
4 years ago
David and Josh are both practicing for an upcoming swim tournament. Every week, David swims for 3x hours at an average speed of
Naya [18.7K]
<span>Josh swims 5 more hours per week than David so his hours = 3x + 5

His </span><span>average speed is 4 laps per hour less than David's so it is = x - 4
</span>
Total distance = hours * speed
= (3x + 5)*(x - 4)
= 3x^2 - 7x - 20

Ans is C
6 0
4 years ago
In a recent census, the population of a country was 7,946,700.
choli [55]

Answer:

7.9467 x 10^6

Step-by-step explanation:

3 0
3 years ago
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