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Savatey [412]
3 years ago
5

The range of f(x) = 7 4x is all positive real numbers. true or false

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0
Please explain what the gap between the 7 and the 4 is, because I'm sure it's not 74x?


Either way, it looks like a linear graph, in which case yes, the range is going to be y∈<span>ℝ. Therefore, it's false, as it's for ALL real values of y, including negative values.</span>
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Alex bikes 2 3/4 miles. Then, she runs 1 2/4 miles. The distance she bikes is how many times the distance she runs?
Svet_ta [14]

Answer:

1.83 times

Step-by-step explanation:

Take the distance biked divided by the distance run.

2 3/4 / 1.5 = 1.83 times.

This means that Alex biked 1.83 times more than the distance she ran.

If this answer is correct, please make me Brainliest!

4 0
2 years ago
A triangle with 118° and 42 in. is what type of triangle?
tankabanditka [31]
<span>If the triangle has an obtuse angle (>90 degrees), it can be classified as an obtuse triangle Not sure where the 42 inches is used Hope this helps</span>
3 0
3 years ago
Read 2 more answers
Triana buys new furniture for $4200 and puts it on her credit card.She will pay 18% interest for 18 months and must make monthly
DerKrebs [107]

Answer:

$623.64

Step-by-step explanation:

To determine the money she could have saved if she paid the furniture in full, you have to determine the total amount she will pay when she completes the 18 payments and subtract the price of the furniture from that:

Total amount= 267.98*18

Total amount=4,823.64

$4,823.64-$4,200= $623.64

She have saved $623.64 if she paid for the furniture in full.

5 0
3 years ago
Solve for X and Y: <br> Y=2+7x and -2x+6y=-28
Furkat [3]

Answer:

x=-1 and y=-5

Step-by-step explanation:

ሰላም!

Given expressions let them given as two equations

  • y=2+7x....... equation (1)
  • -2x+6y=-28..... equation (2)

Thus, substitute y=2+7x into equation (2)

- 2x + 6(2 + 7x) =  - 28 \\

simplify it

- 2x + 12 + 42x =  - 28 \\ 40x + 12 =  - 28

subtract 12 from both sides

40x + 12 - 12 =  - 28 - 12 \\ 40x =  - 40

divide both sides by 40

\frac{40x}{40}  =  \frac{ - 40}{40} \\ x =  - 1

Therefore, as we get the value of x=-1 substitute it to equation (1) and solve for variable y

y = 2 + 7x \\ y = 2 + 7( -1 ) \\ y = 2 - 7 \\ y =  - 5

To be more sure make a cross check on both of the two expressions

Thus,

1) y=2+7x .... substitute y=-5 and x=-1 and check if it is equal

-5=2+7(-1)

-5=2-5

-5=-5

2)-2x+6y=-28... substitute and check

-2(-1)+6(-5)=-28

2-30=-28... (-a)(-b)=ab

-28=-28

Hope it helps!

6 0
1 year ago
Determine whether each equation is a linear equation. Write yes or no. If yes, write the equation in standard form. y = 4x + x
Step2247 [10]

Answer:

The answer is y = 5x

Step-by-step explanation:

Yes, this equation is a linear equation.

because it has degree 1

<u>Standard </u><u>Form</u>

y = 4x + x

y = 5x

Thus, The answer is y = 5x

<u>-TheUnknownScientist</u><u> 72</u>

5 0
2 years ago
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