MATHEMATICS MIDDLE SCHOOL

What are two solutions for 3f > 50

Answers

Answer 1

Answer:

Answer:

30, 20

Step-by-step explanation:

Multiply a big number with 3. Such as 30, or 20.

30 x 3= 90

20 x 3=60

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How can I solve this system of linear equation by substitution 3x+y=11 and -2x+y=1

Answers

We can answer this question by solving each equation for one variable, and then substituting.

3x + y = 11 Given
y = -3x + 11 Subtract 3x from both sides

This equation is now solved for y. Now, let's do the other equation. Make sure to solve it for the same variable.

-2x + y = 1 Given
y = 2x + 1 Add 2x to both sides

Now, let's set both equations equal to each other, since they both equal y.

2x + 1 = -3x + 11 Set both equations equal to each other
1 = -5x + 11 Subtract 2x from both sides
-10 = -5x Subtract 11 from both sides
2 = x Divide both sides by -5

Now, let's substitute x in for one of the equations we found earlier, so that we can find y.

y = 2x + 1 Given
y = (2)(2) + 1 Substitute the x-value, 2
y = 4 + 1 Multiply
y = 5 Add

So, x = 2 and y = 5.

Hope this helps!

First will make Equation take on the form of y = mx + b. I've cchosen the second Equation:

y = 2x + 1

Now substitute this equation in for y into the other equation and solve:

3x+y = 11
3x+ (2x + 1)=11
5x + 1 = 11
5x = 11 - 1
5x/5= 10/5
x = 2

You can now plug this x-value back into either equation, and solve for y:

y = 2(x) + 1
y = 2(2) + 1
y = 5

What are five names for 1/4

Answers

25% , 1/4, 25/100 , 250/1000, 2500/10000

Carla wants to know how many batches of birdseed she can make with 1/2 cup of sunflower seeds she puts 1/6 cup of sunflower seeds in each batch carla divides 1/2 by 1/6 to find the answer she says this is the same as multiplying 1/6 by 2 explain what carla did wrong

Answers

Answer:

6/2

Step-by-step explanation:

1/2 divided by 1/6

FLIP

1/2 multiplyed by 6/1 =6/2=3

(question is included in the image) answer in a simple way and on point to be marked brainilest

Answers

Answer:

a) Missing y-values
x = - 2 ==> y = 5

x = - 1 ==> y = 2

x = 1 ==> y = 2

x = 3 ==> y = 10

b) Values of x for y = 4:
x = 1.7 and x = -1.7

Step-by-step explanation:

Given the quadratic function,
y = x² + 1

part a)

to find the y-value for a specific x, just plug in that value of x into the right side and simplify

There are four missing values for

The x values and the corresponding y values are
x = - 2 ==> y = (-2)² + 1 = 4 + 1 = 5

x = - 1 ==> y = (-1)² + 1 = 1 + 1 = 2

x = 1 ==> y = (1)² + 1 = 1 + 1 = 2

x = 3 ==> y = (3)² + 1 = 9 + 1 = 10

part b)

The graph has each unit on the grid for the x-axis = 0.5
and
each unit on the grid for the y-axis = 2

I got this by seeing that between x = 0 and x = 1 there are two units

the value of y at x = -1 or x = 1 is only one vertical unit on the grid and since y = 2 for these values of x, each vertical unit must be 2

Therefore look at the value of y = 4 (which should be two vertical units) on the graph. You can also draw a horizontal line parallel to the x axis at 2 units from the x-axis

It appears that on the positive x-axis for y = 4, x is about halfway between 1.5 and 2 so I would estimate it at 1.75

On the negative x-axis, at y = 4, x is about halfway between -1.5 and -2 so it would be -1.75

One thing to note about quadratic functions is that you get the same value of y for x and -x

So at y = 4, the two possible values of x are
x = 1.75 and x = -1.75

which when using one decimal place will round to 1.7 and 1;75

I am rounding down rather than rounding up since the x value appears be less than 1.75

Mathematically we can solve for x at y = 4 by plugging in values
y = 4 = x² + 1

x² + 1 = 4

x² = 4 - 1 = 3

x =±√3 = ±1.732

which when rounded to 1 decimal place becomes
x = 1.7 and x = -1.7

Answer:

Step-by-step explanation:

a) y = (-2)² + 1 = 5

y = (-1)² + 1 = 2

y = (1)² + 1 = 2

y = (3)² + 1 = 10

b) 4 = x² + 1

x² = 4 - 1 = 3

x = ±√3 = ±1.7

What is the name of the relationship between 1 and 4? Parallel Lines and Transversals A. corresponding angles B. alternate interior angles C. obtuse angles D. adjacent angles

Answers

The correct answer is B. alternate interior angles. Both angles are on the inside of the two parallel lines, making them interior angles, and they are alternate because they're not on the same sides of the transversal line (the line that cuts through the parallel lines). A is incorrect because corresponding angles are those that are in the same position on both parallel lines, C is incorrect because it's impossible to tell with the information given if the angles are obtuse, and D is incorrect because adjacent angles are those that are next to each other.

Answer:

The correct anwser is B hope this helps :)

Use properties and mental math to find sum 10 1/8+(3 5/8+2 7/8)

Answers

The given expression {10 $(1)/(8)$ + (3 $(5)/(8)$ + 2 $(7)/(8)$ )} is equivalent to 16.625.

What are algebraic expressions?

In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.

Given is the expression as -

10 $(1)/(8)$ + (3 $(5)/(8)$ + 2 $(7)/(8)$ )

The given expression is -

10 $(1)/(8)$ + (3 $(5)/(8)$ + 2 $(7)/(8)$ )

81/8 + 29/8 + 23/8

(81 + 29 + 23)/8

133/8

16.625

Therefore, the given expression {10 $(1)/(8)$ + (3 $(5)/(8)$ + 2 $(7)/(8)$ )} is equivalent to 16.625.

To solve more questions on algebraic expressions, visit the link below -

brainly.com/question/1041084

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