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m_a_m_a [10]
3 years ago
9

Which of the following equations have infinitely many solutions? Choose all answers that apply: Choose all answers that apply: (

Choice A) A -19x-19=-19x+19−19x−19=−19x+19minus, 19, x, minus, 19, equals, minus, 19, x, plus, 19 (Choice B) B -19x-19=-19x-19−19x−19=−19x−19minus, 19, x, minus, 19, equals, minus, 19, x, minus, 19 (Choice C) C -19x+91=-19x+91−19x+91=−19x+91minus, 19, x, plus, 91, equals, minus, 19, x, plus, 91 (Choice D) D -19x-38=-19x-38−19x−38=−19x−38
Mathematics
2 answers:
MrRa [10]3 years ago
7 0

Answer:

its acd fam

Step-by-step explanation:

Otrada [13]3 years ago
3 0

Answer: B,C,D

Trust Me Jhit

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70 - q -q - 2q = 80 <br> plz help me i don't get it
Montano1993 [528]

Answer:

the answer is:    q = -2.5

Step-by-step explanation:

70 - q - q - 2q = 80

70 - 4q = 80

-4q = 10

q = -2.5

3 0
2 years ago
Consider an angle with a measure of θ=225∘.
wel

Answer:

cos 225° = -\frac{\sqrt{2} }{2}

sin 225° = -\frac{\sqrt{2} }{2}

tan 225° = 1

Step-by-step explanation:

I cannot sketch a diagram, but a 225° angle is a 3rd quadrant angle and the reference angle is 45°   (225 - 180 = 45)

cos and sin are negative in the 3rd quadrant and the tan is positive

cos 225° = - cos 45° = -\frac{\sqrt{2} }{2}

sin 225° = -sin 45° = -\frac{\sqrt{2} }{2}

tan 225° = tan 45° = 1

8 0
2 years ago
If she would have left the money in the account for another 2 years before withdrawing, how much interest would the account have
Sonbull [250]

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Answer: 12% more interest

I hope this helped!

<!> Brainliest is appreciated! <!>

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7 0
3 years ago
The value of y varies directly with x. When y=2 4/7, x=3/7 .
jasenka [17]

Answer:

1 5/7

Step-by-step explanation:

I literally just took the test so yeah

6 0
3 years ago
Read 2 more answers
Twice the difference of a number and 9 equals 8
ladessa [460]

Answer:

13 is the number.

Step-by-step explanation:

Given:

Twice the difference of a number and 9 equals 8.

Let the unknown number be 'x'.

Therefore, as per question:

The difference of 'x' and 9 = x-9

Twice the difference means 2 times the difference. So, we multiply 2 to the difference. Therefore,

2(x-9)

Now, the above expression is equal to 8. So, we equate the above expression to 8. This gives,

2(x-9)=8

Solving for 'x', we get:

Using distributive property of addition and distributing 2 inside the bracket. This gives,

2\times x-2\times 9=8\\\\2x-18=8\\\\2x=8+18\\\\2x=26\\\\x=\frac{26}{2}=13

Therefore, the unknown number is 13.

Now, we can verify our answer.

2(13-9)=26-18=8

Therefore, the answer is correct.

3 0
3 years ago
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