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gtnhenbr [62]
3 years ago
8

Of 350 students polled, some have a cat, some have a dog, and some have both. One hundred seventy-five students have a cat and 1

40 have both types of pets. How many students have a dog only? Explain.
I believe the answer was:
175; Since 175 have a cat or a cat and dog, then the number that have a dog only is 350 − 175 = 175.

But I just needed to check
Mathematics
1 answer:
BigorU [14]3 years ago
6 0
Total students 350
350- 175 cats= 175
175 - 140 both pets = 35 dog only students

I guess
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5. Find the 34th term in the arithmetic sequence 9, 6, 3, <br> A. 90<br> B. -90<br> C.-57<br> D. 108
mafiozo [28]

Answer:

B. -90

Step-by-step explanation:

a1=9; d=-3

a34=9-3(33-1)=-90

8 0
3 years ago
Can someone help me with this
V125BC [204]

Answer:  Period = 4

               Amplitude = 3

<u>Step-by-step explanation:</u>

Period is the interval of one "cycle" before the pattern repeats.

If you notice that when x = 0, y = -4.  

When does the pattern repeat (reach -4 again)?

Answer: when x = 4.

So the interval of one "cycle" is 4 units -->  Period = 4.

Amplitude=\dfrac{Max-Min}{2}=\dfrac{2-(-4)}{2}=\dfrac{6}{2}=\bold{\large\boxed{3}}

7 0
3 years ago
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Solve -2=4r+s for s
musickatia [10]

Answer:

Step-by-step explanation:

-2 = 4r + s

subtract 4r from both sides of the equation

-2 -4r = s

5 0
3 years ago
Monica made 350 cookies for the bake sale. She sold them for $0.65 each. She sold 4/5 of the cookies. How much money did Monica
Nataliya [291]
The answer is 227.50
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brainliest?
4 0
3 years ago
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Use elimination to solve the system of equations given by 3x - 2y = 10 and 5x + 2y = 6​
pishuonlain [190]

Answer:

x = -2  y= -8 and 8

Step-by-step explanation:

Since there is an equal number of y's, they cancel out when subtracting. You can put either equation on top. You will get same answer.

<u>To find x:</u>

<u>If you do (3x - 2y = 10) - (5x + 2y = 6​),</u> you will get -2x=4. Divide both sides by -2, and get x = -2.

<u>If you do (5x + 2y = 6​) - (3x - 2y = 10)</u>, you will get 2x=-4.Divide both sides by 2, and get x = -2.

<u>To find y:</u>

Substitute -2 for x in either equation. It doesn't matter.

<u>For 3(-2) - 2y = 10:</u>

3(-2) - 2y = 10 ––Multiply

-6 - 2y =10 ––Add 6 to both sides to get y alone

-2y = 16 ––Divide by -2

y = -8

<u>For 5x + 2y = 6​:</u>

5(-2) + 2y = 6​ ––Multiply

-10 + 2y = 6 ––Add 10 to both sides to get y alone

2y = 16 ––Divide by 2

y = 8

 

6 0
2 years ago
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