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inysia [295]
3 years ago
8

5y>3x+4 A.x=1,y=1 B.x=1,y=2 C.x=2,y=1 D.x=4,y=3

Mathematics
1 answer:
ziro4ka [17]3 years ago
3 0

5(2)>3(1)+4

10 > 7. Is True because 10 is greather than 7. All needed to do is evaluate the x and y variables for each possibility. A, B, C D. And see if is a logical answer.

Any other combination gives you a false statement.

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find the value of n in each equation. write what n represents in the related division problem 643=4×160+n
schepotkina [342]

Answer: n = 3; n represents a remainder in a division problem.


Explanation:


1) Finding n:


i) Given: 643 = 4 × 160 + n

ii) Do the operations: 643 = 640 + n

iii) Subraction property of the equality: 643 - 640 = n

iv)  Do the operations: 3 = n

Answer: n 3


2) Meaning of n


When you divide 643 by 4 the quotient is 160 and the remainder is 3, because 160 × 4 = 640, and 643 - 640 = 3.


This is, 3 is what is left when you split 643 into 4 getting 160 whole parts (plus the remainder, 3).

3 0
3 years ago
Sara Is 4 5/8 feet tall. Her younger sister is 4/5 as tall as her. How tall is Sara’s sister
Yuki888 [10]

We need to multiply 4/5 by 4 5/8. We change 4 5/8 into a fraction to do the multiplication.

4/5 * 4 5/8 =

= 4/5 * 37/8

= 148/40

= 37/10

= 3 7/10

Answer: Sara's sister is 3 7/10 ft tall.

5 0
3 years ago
HELP ILL MARK U BRAINLIEST
Lena [83]

Answer:

74

Step-by-step explanation:

7 0
3 years ago
An acute angle, θ, is in a right triangle such that sin of theta is equal to 3 over 8 period What is the value of cot θ?
Serggg [28]

We want to find the value of cot(θ) given that sin(θ) = 3/8 and θ is an angle in a right triangle, we will get:

cot(θ) = (√55)/3

So we know that θ is an acute angle in a right triangle, and we get:

sin(θ) = 3/8

Remember that:

  • sin(θ) = (opposite cathetus)/(hypotenuse)
  • hypotenuse = √(  (opposite cathetus)^2 +  (adjacent cathetus)^2)

Then we have:

opposite cathetus = 3

hypotenuse = 8 = √(3^2 +  (adjacent cathetus)^2)

Now we can solve this for the adjacent cathetus, so we get:

adjacent cathetus = √(8^2 - 3^2) = √55

And we know that:

cot(θ) = (adjacent cathetus)/(opposite cathetus)

Then we get:

cot(θ) = (√55)/3

If you want to learn more, you can read:

brainly.com/question/15345177

8 0
3 years ago
Which of the following is not equivalent to (3x - 12)(x+4)?
mafiozo [28]

Answer:

ANYTHING EXCEPT 3x²-48

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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