-4x - 3/7y =14 .... if y =14 solve for x

Answers

Answer 1
Answer: plug in 14 for y and you get -4x - 6 = 14. so -4x = 20 and x is -5
Answer 2
Answer: -4x-(3/7.14)=14
-4x-42/7=14
-4x=14+6
-4x=20
X= 20/-4
X=-5

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John needs to make a scale drawing of his school building for art class. If the building is 256.25 meters long, and John scales it down using a ratio of 25 meters to 1 inch, how long will the building be in the sketch?My question is what do I start with first. Divide, multiply. and what numbers. My math is on line and I have not worked math problems in 30 years

Answers

Each 25 meter will be represented by a segment of 1 inch length. So for example a length of 250 meters, is drawn as 10 in on paper.

So first we need to know how many 25 meters are there in 256.25 meters, so we need to divide 256.25 meters by 25 meters which is 10.25.

This means we will draw 10.25 in.

Which equation supports the given conjecture? The sum of the squares of two consecutive integers is an odd integer.

A.
(2 + 3)2

B.
32 + 52 = 34

C.
4 + 52 = 29

D.
52 + 62 = 61

Answers

the first part says the sum of the squares of two consecutive integers or in other words (x)(x)+(x+1)(x+1) so we can cross out A because 2 and 3 are prime numbers (no factors)  we can cross out all the others because the square root of 52 is not an integer so any equation with 52 in it does not satisfy the requirement. so none of them are corect.  additionally, some of the equations are obviously false such as 52+62=61

The verified answer is wrong the correct answer is d 5 squared plus 6 squared. Because the question is asking for two consecutive integers and it wants an odd integer therefor d is the correct answer because it has to squared consecutive integers and an odd answer.

Hope i helped Mark as brainliest

What is the product of -3 and 5?
O -15
08
a
08
O 15

Answers

Answer:

A. -15

Step-by-step explanation:

First, ignore the negative sign and simply pretend the problem is asking for the product of 3 and 5.

When multiplying a by b, it's essentially the same as adding a to itself b times. Here, we multiply 3 by 5, so add 3 to itself 5 times: 3 + 3 + 3 + 3 + 3 = 15.

Now, look at the negative sign. When we multiply two numbers of different signs (one is negative and one is positive), the result is always negative. However, when we multiply two numbers of the same sign (either both positive or both negative), the result is always positive.

Here, we have one negative and one positive, which means the result should be negative. So, add a negative sign to 15 to get -15.

The answer is A.

Answer:

-15

Step-by-step explanation:

Product of a and b is:

a × b

Similarly, the product of -3 and 5 is:

-3 × 5

-15

Maria and 3 friends have 1,200 soccer cards if they share the soccer cards equally,how many will each preson receive

Answers

Maria(1 person) and 3 friends
Total of 4 friends.
1200/4=300
Remove the zeroes and add them back at the end
12/4=3
300

The value for b in y=mx+b,directly from the table w/out drawing a graph or going any calculations ?

Answers

the value of b is the y intercept or when the line crosses the y axis
this only happens when the value of x=0
so just look for the ordered pair in the table with x=0 and y=b
so if you had a table and saw
(0,3)
(x,y)
so the point where x=0 is at point (0,3) y=3
therefor b=3

basically look for the matching y value for when x=0
The b value in y=mx+b is how many units up or down the y-axis you go from the origin. For example, if y=mx+2, you would move 2 units up, or if it was y=mx-3 you would move 3 units down.

the length of a rectangle is 2 cm more than the width. if the area of the rectangle is 24 cm2 what is the length of the rectangle?

Answers

Answer: The length is 6 and thw wodth is 4


Step-by-step explanation:

If you find two numbers that multiply to 24, you have three sets of numbers, but 6 and 4 are the only numbers that are two centimeters apart

Final answer:

The question is about finding the length of a rectangle. By creating and solving a quadratic equation with provided information, the width and length of the rectangle are 4 cm and 6 cm respectively.

Explanation:

The problem involves finding the length of a rectangle. To solve this, we need to consider the fact that we know information about the dimensions and area of the rectangle. The area of a rectangle is obtained by performing the multiplication of the length and the width. In this specific problem, it's stated that the length is 2 cm more than the width, and we also know that the area of the rectangle is 24 cm2.

Let's represent the width by x. Therefore, the length would be x+2. Since the area is the length multiplied by the width, we create the equation x*(x+2) = 24, which simplifies to x2+2x=24. Subtracting 24 from both sides, we get x2+2x-24 = 0.

This a quadratic equation and we'll solve for x using the quadratic formula, which results in x = 4 or x = -6. Since the width cannot be negative, x = 4 cm. After this, substitute the width (x) into the length equation. The length (x + 2) is 4 cm + 2 cm = 6 cm.

Learn more about Solving Quadratic Equations here:

brainly.com/question/32403169

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