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IgorC [24]
3 years ago
10

PLS HELP ME WITH MY GEOMETRY GUYS PLS

Mathematics
2 answers:
sveticcg [70]3 years ago
4 0

Answer:

(6, 3)

Step-by-step explanation:

x=6 y=3

2(6) -3 =9

12 -3 = 9

mart [117]3 years ago
4 0

Answer:

(3,-3)

but there are infinately many more.

Step-by-step explanation:

We need to find a pair of numbers that when substituted in 2x-y we get 9.

because this equation is linear there are actually an infinite number of solutions. So all we have to to is pick a random number for x, say 3, and there will only be 1 value of y that will satisfy the equation, so we just plug it in.

let x =3

2x - y = 9 ⇒ 2×3 - y = 9

                ⇒ 6 -y = 9

                ⇒ -y = 3

                ⇒ y = -3

so (3,-3) is a solution

You might be interested in
Please help!!! ASAP! Please show work
bagirrra123 [75]

Answer:

2.5 inches per hour

Step-by-step explanation:

divide the total by time

6 1/4

--------= 5/2

2 1/2

simplify 5/2 to 2.5

6 0
3 years ago
Read 2 more answers
A man walks along a straight path at a speed of 4 ft/s. A searchlight is located on the ground 20 ft from the path and is kept f
krek1111 [17]

Answer:

0.128rad/sec

Step-by-step explanation:

Let x represent the between the man and the point on the path

θ = the angle

dx/dt = 4 ft/s

dθ/dt = rate is the searchlight rotating when the man is 15 ft from the point on the path closest to the searchlight

tan θ = x/20 ft

Cross Multiply

20tan θ = x

dx/dt = 20sec² θ dθ/dt

dθ/dt = 1/20 × cos² θ dx/dt

dθ/dt= 1/20 × cos² θ × 4

dθ/dt = 1/5 × cos² θ

Note : cos θ = 4/5

dθ/dt = 1/5 × (4/5)²

dθ/dt = 16/125

dθ/dt = 0.128rad/sec

6 0
3 years ago
Translate the following sentence into an equation using n to represent the unknown number. Then solve the equation for n.
Marina CMI [18]
It's pretty straightforward and simple:
Six more means + 6.
Twice a number means 2n.
Is 16 means = 16

Now combine these three definitions and you will receive:
6 + 2n = 16

Now solve this simple equation:
6 + 2n = 16
2n = 16 - 6
2n = 10
n = 10 / 2 = 5

So the correct answer is D.



8 0
4 years ago
A box contains 14 large marbles and 10 small marbles. Each marble is either green or white 8 of the large marbles are green, and
netineya [11]

The probability that the marble is large or white is 0.5714.

<h3>What is probability?</h3>

Probability is the branch of mathematics that studies the possible outcomes of given events together with the outcomes' relative likelihoods and distributions.

Probability of an event is

P(A) = Number of favorable outcomes/ Total Number of outcomes      

       = n(A)/n(S)

where

P(A) is the probability of an event “A”

n(A) is the number of favorable outcomes

n(S) is the total number of events in the sample space.

We have,

Number of large marbles = 14

Number of small marbles = 10

Number of large green marbles = 8 which implies

Number of large white marbles = 14 - 8 = 6

Number of small white marbles = 4 which implies

Number of small green marbles = 10 - 4 = 6.

Now, let

Let X be the event of drawing large marble.

Let Y be the event of drawing small marble.

Let M be the event of drawing white marbles.

Let N be the event of drawing green marbles.

Since only one marble is drawn at a time ,

so P(X) =  14/24

    P(Y) = 10/24

    P(M) = 10/24

    P(N) = 14/24

We have to find the probability that a marble is large or white i.e. P(X∪M).

P(X∪M) = P(X) + P(Y) - P(X∩M)

P(X∩M) = In 14 large marbles 6 are white marbles = 6/14.

P(X∪M) = P(X) + P(Y) - P(X∩M) = 14/24 + 10/24 - 6/14 = 0.5833+0.4167-0.4286 = 0.5714.

Therefore, the probability of drawing large or white marble is 0.5714.

To know more about probability, visit

brainly.com/question/19169117

#SPJ4

3 0
1 year ago
Anyone know how to solve this is for calculus?
ASHA 777 [7]
So thing of that weird little circle as “of”

Thus: “g of h of x” or g(h(x)). First find h(x) by plugging x in for h and then plug whatever h(x) is in to g.

Ex. If h(x)= 4x + 2 And g(x)= 2x + 5,

g(h(x))= 2(4x + 2) + 5 = 8x + 4 + 5 = 8x + 9




3 0
4 years ago
Read 2 more answers
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