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timama [110]
3 years ago
12

Determine the value of x in the system of equations. 4x+2y=50 x−3y=30

Mathematics
1 answer:
liubo4ka [24]3 years ago
5 0

x=15, y=-5. Please give brainliest and comment below if you need me to explain how i got this answer.

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The formula f=5280m can be used to convert a measurement of f feet to an equivalent measurement m miles. If an airplane flies at
enot [183]
The answer is a
21,120/5280=4
4 0
3 years ago
London has 3 meters of wood that he is using to make a small fence around his garden. If his fence has 5 sections, how wide is e
salantis [7]

Answer:

60cm

Step-by-step explanation:

total length of wood = 3m

number of sections = 5

width of each section = 3/5 = 0.6 m

= 60cm

3 0
3 years ago
Find the average rate of change of the function f(x)=(3/-3x-5), on the interval x ∈ [0,3]
Svet_ta [14]

Answer:

The average rate of change on the given interval is 9/70

Step-by-step explanation:

Here, we are to find the average rate of change of the function on the given interval

We proceed as follows;

on an interval [a,b] , we can find the average rate of change using the formula;

f(b) - f(a)/b-a

From the question;

a = 0

b = 3

f(0) = -3/5

f(3) = -3/14

Substituting the values, we have;

-3/14-(-3/5)/3-0

= 3/5-3/14/3

= (42-15)/70/3

= 27/70/3

= 27/70 * 1/3 = 9/70

4 0
3 years ago
A person on the top of a tall building looks through his binoculars at his friend that is 300 ft away from the building on the g
Nimfa-mama [501]

Answer:

520 feet

Step-by-step explanation:

The easiest way to visualize this problem is to sketch a quick diagram.

For this problem, you are given an angle and the length of the side of a triangle. If you look at the diagram, you'll see that the length given is the opposite side of the angle given. For this situation, that means you will use the sine function (refer to SOH-CAH-TOA acronym). Then you plug in the given values and solve for x.

Hope this helps!

4 0
4 years ago
you are at the mall and you want to buy a hoodie for 35 dollars its on sale for 25 percent off how do you find the discounted pr
Gnesinka [82]

Answer:$8.75

Step-by-step explanation:Thus, a product that normally costs $35 with a 25 percent discount will cost you $26.25, and you saved $8.75. You can also calculate how much you save by simply moving the period in 25.00 percent two spaces to the left, and then multiply the result by $35 as follows: $35 x .25 = $8.75 savings.

6 0
3 years ago
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