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ANEK [815]
3 years ago
10

Read the following. “If 5 is decreased from double Joe’s weight, the result is 230. What is Joe’s weight?” Which of the followin

g translations is correct? j – 5 = 230 5 – 2j = 230 2j – 5 = 230 None of the choices is correct.
Mathematics
2 answers:
Andre45 [30]3 years ago
4 0

Answer:

The answer is 2j -5 = 230.

Step-by-step explanation:

This is because of what the question is asking. When it says that 5 decreased from DOUBLE Joe's weight is 230 it means that the equation will result in 230. To find the equation we know we need DOUBLE Joe's weight and so it is 2j. It also says 5 decreased from double Joe's weight so we need to take away five. This is how we get to 2j - 5 = 230.

Phoenix [80]3 years ago
3 0

Answer:

a) Joe's weight is: 117.5

b) 2j-5=230

Step-by-step explanation:

1. You know that 5 is decreased from double Joe’s weight and the result is 230. Then, if j represents Joe’s weight you can write the following expression:

 2j-5=230

2. To know Joe’s weight you must solve for j. Then, you obtain the result show below:

2j=230+5\\2j=235\\j=\frac{235}{2}\\j=117.5


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3/a times x -4 equals 20
jenyasd209 [6]

Answer:

a = -5/3

Step-by-step explanation:

3/a × -4 = 20

3a × -4/-4 = 20/-4

3a = -5

a = -5/3

Check:

3/(-5/3) × - 4 = 20

-5 × - 4 = 20

4 0
1 year ago
Write the equation of a polynomial of degree 3, with zeros 1, 2 and -1 where f(0)=2
ser-zykov [4K]

Answer:

f(x) = x^3 - 2x^2 - x + 2

Step-by-step explanation:

since the zeroes are 1,-1, and 2. we can write the function like

f(x) = (x-1)(x+1)(x-2)

f(x) = (x^2-1)(x-2)

f(x) = x^3 -2x^2 -x +2

and it is true that f(0)=2

4 0
3 years ago
Which equation can be used to represent "six added to twice the sum of a number and four is equal to one-half of the difference
UkoKoshka [18]

Answer:

6+(2x+4)=1/2-(3+x) okay I hope this is it.

Good luck on this.

6 0
3 years ago
What is the value of y ?
Dmitry [639]

Answer:

6

Step-by-step explanation:

Chords within a circle are proportional. Proportional means that they form equal ratios. To solve for y, set up a proportion.

The ratios we will create will be \frac{long}{short} =\frac{long}{short} where each long and short form an angle.

So write:

\frac{12}{8} =\frac{y}{4}

To solve, cross multiply numerator with denominator.

12(4) = 8(y)

48=8y

6=y


4 0
3 years ago
4 • (6 – 4) 2 ÷ 2
Dmitry_Shevchenko [17]

Answer:

Cary is wrong

Step-by-step explanation:

4* (6-4)= 4* 2=8

I think it is saying (8*2) divided by to, which in that case is 8,

but if it is asking 8 (2/2) then that would also be 8 I believe. I really hope this is correct and you have a great day :)

5 0
2 years ago
Read 2 more answers
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