MATHEMATICS HIGH SCHOOL

Please help me 3/5 of 7kg

Answers

Answer 1
Answer: The answer is 4.2 kilograms.Multiple 3/5 × 7

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440 miles decreased by 95 percent

Factor the expression:
280z - 25y - 30
PLS ASAP

Answers

Answer:

5(56z - 5y - 6)

Step-by-step explanation:

Forst step is finding a common factor, you can do this easily by looking at the ones digit. All 3 values end in 0 or 5, so a factor is definately 5.

We now divide all values by 5.

280z / 5 = 56z \n (- 25y) / 5 = ( - 5y) \n ( - 30) / 5 = ( - 6)

Once you get a prime number after factoring, that is the GCF, Greatest Common Factor. We can make an equation like what is below to show oir factored answer.

5(56z - 5y - 6)

A teacher wrote the equation 3y + 12 = 6x on the board. For what value of b would the additional equation 2y = 4x + b form a system of linear equations with infinitely many solutions?b = –8
b = –4
b = 2
b = 6

Answers

Answer: First option.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope of the line and "b" is the y-intercept

We need to write each equation in Slope-Intercept form:

First equation

3y + 12 = 6x\n\n3y=6x-12\n\ny=2x-4

Second equation

2y = 4x + b \n\ny=2x+(b)/(2)

Since, by definition, a system of linear equations has infinitely many solutions when the lines are the same, we can say that:

y=y\n\n2x-4=2x+(b)/(2)

Then, solving for "b", we get:

-4=(b)/(2)\n\n(-4)(2)=b\n\nb=-8

Answer:

-8

Step-by-step explanation:

Just took test lol

Describe the vector as an ordered pair. Round the coordinates to the nearest tenth.

Answers

As diagram is not drawn to scale then
=(54 cos 69 degrees , 54 sin 69 degrees)
= (19.4 , 50.4)
hope it helps

Screen Shot 2023-10-12 at 6.57.17 PM

Answers

Answer:

Screen shot 2016-12-25 at 8.01.34 AM

Step-by-step explanation:

Screen Shot titled,"Merry Christmas"

What best describes the solution 0=15?

Answers

no solution because 0 cant be equal to 15
0=15 is an absurd, what means that do not exist solutions for the equation

What is the sum of 15 and the opposite of 13?

Answers

Answer:

2

Step-by-step explanation:

15+-13 = 2
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