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babunello [35]
3 years ago
11

I need help with this pls!!

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
8 0
Answer : (12,4)
that is the max point
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Solve for p in the literal equation 5p+2r=q
Katen [24]
5p+2r=q

Move variable to the right
5p=q -2r
Divide both sides of the
equation by 5

q - 2
p =— — r
5 - 5

The final solution for
p is

q - 2
p =— — r, rER, qER
5 - 5

I cannot make the E like it should be made in mathematics on this keyboard. An elongated E.

7 0
3 years ago
Like the polar bear, the walrus is a fine swimmer, though it does not have the same endurance. For short periods of time, a walr
Cloud [144]

The swimmer will be 1978.8 m far.

Step-by-step explanation:

The formula to apply here is; speed = distance/time

So in this case, distance =speed * time

Speed = 9.7 m/s

Time = 3.4 minutes ⇒change to seconds, multiplying by 60 sec

Time=3.4×60 = 204 seconds

Distance = 204 × 9.7 = 1978.8 m

Learn More

To find speed : brainly.com/question/1566217

Keywords: speed

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4 0
3 years ago
John and Tim are looking at the equation the square root of the quantity of 3 times x minus 4 equals square root of x . John say
IgorC [24]
The equation is 
3x - 4 = sqrt(x)
where 'sqrt' is shorthand for 'square root'

Let's solve the equation. To do so, we square both sides. Then we get everything to one side
3x - 4 = sqrt(x)
(3x - 4)^2 = (sqrt(x))^2
9x^2 - 24x + 16 = x
9x^2 - 24x + 16-x = x-x
9x^2 - 25x + 16 = 0

Now use the quadratic formula. See the attached image for those steps.

After using the quadratic formula the two possible solutions are x = 1 or x = 16/9

We need to check each possible solution to see if it is extraneous or not.

----------------------------

Checking x = 1

3x - 4 = sqrt(x)
3*1 - 4 = sqrt(1)
3 - 4 = 1
-1 = 1

The final equation is false, so x = 1 is not a true solution

x = 1 is extraneous. 

So far, John is correct; however, we need to see the nature of the possible solution x = 16/9

So let's check it
----------------------------

Checking x = 16/9

3x - 4 = sqrt(x)
3*(16/9) - 4 = sqrt(16/9)
48/9 - 4 = 4/3
16/3 - 4 = 4/3
16/3 - 12/3 = 4/3
(16 - 12)/3 = 4/3
4/3 = 4/3

The last equation is true, so x = 16/9 is a proper solution.

This solution is considered non-extraneous. So Tim is also correct
----------------------------

They are both correct because there are two possible solutions. One of which is extraneous (x = 1) and the other is non-extraneous (the fraction x = 16/9)

3 0
3 years ago
What is the next term of the following sequence? <br><br><br> 20, 10, 5, 21/2, ...
ycow [4]

Answer:

1 \frac{1}{4}

Step-by-step explanation:

Note there is a common ratio between consecutive terms, that is

10 ÷ 20 = 5 ÷ 10 = 2 \frac{1}{2} ÷ 5 = \frac{1}{2}

Thus to obtain the next term in the sequence multiply the previous term by \frac{1}{2}

2 \frac{1}{2} × \frac{1}{2} = 1 \frac{1}{4}

6 0
3 years ago
Ally sold 18 boxes of girl scout cookies. This was 40% of the number of boxes that Kayla sold. How many boxes did Kayla sell?
S_A_V [24]

Answer:

Kayla sold 90 boxes of cookies.

Step-by-step explanation:

let's have X be the number of boxes Kayla sold.

x⇒100%

18⇒20%

Find x,

x=100/20 × 18

x=90

6 0
3 years ago
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