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svp [43]
4 years ago
14

8w – 16-20 + 7w - 11y - 4y Can someone show me how to do this step by step?

Mathematics
2 answers:
AveGali [126]4 years ago
8 0

Answer:

-44

Step-by-step explanation:

earnstyle [38]4 years ago
5 0

Answer:

15w - 15y - 36

Step-by-step explanation:

Combine like terms

In this case the only two terms would be numbers without variable and numbers with the variable w

First lets combine the numbers with no variable which are -16 and -20. you subtract these two -16 - 20 = -36 and get -36

Now lets combine like terms for w, it doesn't matter which order you go in exactly but in the case I will do

1. combine 8w and 7w, since these are both positive you will add the together

8w + 7w = 15w

2. Now combine -11y and -4y, since these are both negative you will subtract them and get -15y

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Which point lies on the graph of Y= 4x-4<br> 1.(0,4)<br> 2.(0,-4)<br> 3.(-4,0)<br> 4.(4,0)
statuscvo [17]

Answer:

<h2>2. (0, -4)</h2>

Step-by-step explanation:

y=4x-4\\\\\text{Substitute the coordinates of each points to the equation}\\\text{and check the equality.}\\\\1.\ (0,\ 4)\to x=0,\ y=4\\\\4=4(0)-4\\4=0-4\\4=-4\qquad\bold{FALSE}\\\\2.\ (0,\ -4)\to x=0,\ y=-4\\\\-4=4(0)-4\\-4=0-4\\-4=-4\qquad\bold{TRUE}\\\\3.\ (-4,\ 0)\to x=-4,\ y=0\\\\0=4(-4)-4\\0=-16-4\\0=-20\qquad\bold{FALSE}\\\\4.\ (4,\ 0)\to x=4,\ y=0\\\\0=4(4)-4\\0=16-4\\0=12\qquad\bold{FALSE}

5 0
3 years ago
What is the location of the point on the number line that is 2/7 of the way from A=18 to B=4?
olchik [2.2K]

Answer:

I believe that it would be 14

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the square root of 201.64 by division method
Juli2301 [7.4K]

Steps involved in finding square root using division method:

  1. Group the digits of the number in pairs. You will start pairing from the decimal point and move away from the decimal point. E.g. for 201.64, first pair would be 2, second would be 01, and third would be 64 (see the attachment for visualizing)
  2. Now start with the first pair, and find the number whose square is equal to or just less than the first pair. So here, since first pair is 2, that number whose square is just less than or equal to 2 is 1. Now divide 2 by 1 , and also put 1 in the quotient.
  3. After this step, you will have 1 in quotient, and 1 in divisor with remainder of 2 - 1 = 1. Now bring down the next pair to join with the remainder. The resulting number now is 101
  4. Now, double the number that is there in the quotient (so 1 becomes 2) and use it to determine the new divisor for 101. The new divisor will be such that when the divisor is multiplied with its unit digit then the product is just less than or equal to 101 (i.e. 2x * x <= 101). So for x = 4, 24 *4 = 96, which is less than 101. Now append this 4 in the quotient. The quotient now become 14. And subtract 96 from 101 to find the remainder. The remainder now is 5
  5. We have now reached the decimal point in the dividend, so add a decimal point in the quotient
  6. Now bring down the next pair to join with the remainder. The resulting number now is 564
  7. Now, double the number that is there in the quotient (so 14 becomes 28) and use it to determine the new divisor for 564. The new divisor will be such that when the divisor is multiplied with its unit digit then the product is just less than or equal to 564 (i.e. 28x * x <= 564). So for x = 2, 282 *2 = 564. Now append this 2 in the quotient. The quotient now become 14.2. And subtract 564 from 564 to find the remainder. The remainder now is 0. Hence, we have completed the problem, and we have the square root with us
  8. The square root is the quotient obtained: 14.2

Please refer to the attached image to see how the calculations are done

5 0
3 years ago
STRUCTURE A quality control inspector at a bolt factory examines random bolts that come off the assembly line. All bolts being m
ELEN [110]

From an absolute value inequality, we have that:

  • The minimum diameter is 6.46 mm.
  • The maximum diameter is 6.54 mm.

  • The absolute value measures the <u>distance of a point or a function to the origin</u>.
  • One example of inequality is:

|f(x)| \leq a

Which has solution:

-a \leq f(x) \leq a

In this problem:

  • Bolts with a diameter of 6.5 mm, with a tolerance of 0.04 mm, thus the <u>absolute value of the difference of the diameter D and 6.5 has to be of at most 0.04</u>, that is:

|D - 6.5| \leq 0.04

Applying the solution:

-0.04 \leq D - 6.5 \leq 0.04

-0.04 \leq D - 6.5

D - 6.5 \geq -0.04

D \geq 6.46

\leq D - 6.5 \leq 0.04

D \leq 6.54

  • The minimum diameter is 6.46 mm.
  • The maximum diameter is 6.54 mm.

A similar problem is given at brainly.com/question/24835634

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