3 years ago

Solve the system of equations -3y-4x=-11 3y-5x= -61

Mathematics

1 answer:

k0ka [10]3 years ago

7 0

The solution is, x=8, y=-7

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75 percent of the sutdents in a school went on a field trip. If 285 students went on the trip, how any students are in the schoo

natita [175]

Answer:

380

Step-by-step explanation:

285 / x = 75 / 100

Cross multiply 28500 = 75x

Divide by 75 380

8 0

3 years ago

given two squares, one with side length of 5 and the other with a side length of 7, what is the ratio of their areas?

Kaylis [27]

Answer:

25: 49

Step-by-step explanation:

$5*5:7*7\\25: 49$

7 0

3 years ago

Find the value of y when x=3<br> y=2x3<br> y=0

MaRussiya [10]

Answer: 54

Why? You need to put 3 in for x so you get
2(3)^3
3 to the third power is 3*3*3 which equals 27
2(27)
Now you must do 2 times 27 and you get 54

Hope this helps

8 0

3 years ago

How many inches are there in 3 feet 4 inches

ELEN [110]

<h3>- - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - </h3>

➷ There are 12 inches per feet

(12 x 3) + 4 = 40

It is 40 inches

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

6 0

3 years ago

If f(x) = k where k is a constant, and the points (6,1) and (8,1) lie on the graph of y = f(x), what is the value of f(0)?

Colt1911 [192]

Answer:

The value of f(0)=1

Step-by-step explanation:

We are given that

$f(x)=k$

$y=f(x)$

(6,1) and (8,1) lies on the graph of y=f(x)

We have to find the value of f(0).

$f(6)=1$

$f(8)=1$

$f(x)=k$

By comparing ,we get

k=1

Therefore, $y=f(x)=1$

Now, substitute x=0

$f(0)=1$

Hence, the value of f(0)=1

7 0

3 years ago