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quester [9]
3 years ago
12

Help me with these questions

Mathematics
1 answer:
dybincka [34]3 years ago
6 0
Number 2 is x> -2 hope this helps a little
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Kira bought a picture frame.a calculator, and a toy. The picture frame cost four times as much as the calculator. The calculator
Aleonysh [2.5K]

The picture frame costs 4 times as much the calculator. We know that the calculator costs $12 so.....

4 x 12 = $48 is what the picture frame costs

12 / 3 = $4 is what the toy is.

In total she payed....

12

48

 4    +

= $64

3 0
3 years ago
Please help with number 3
diamong [38]

Answer:

6/8 y=79

my id has now been sent off

7 0
3 years ago
with the exception of the first house, all the houses on sequence lane have an address whose numerical portions are greater than
yanalaym [24]

Answer:

The address of Ainsley is 24 and that of Lane is 25.

Step-by-step explanation:

All the houses on sequence lane have an address whose numerical portions are greater than that of the prior house.

Now, if Ainsley and Lane are next-door neighbors and the sum of the numerical portions of their addresses is 49.

Let the Ainsley has the address with numeric portion x, then Lane has the address with numeric portion x + 1.

Therefore, x + (x + 1) = 49

⇒ 2x = 48

⇒ x = 24

So, the address of Ainsley is 24 and that of Lane is 25. (Answer)

4 0
3 years ago
Write the quadratic equation whose roots are 1 and -2, and whose leading coefficient is 3.
kirill115 [55]

Answer:

  • See below

Step-by-step explanation:

<u>The quadratic equation in factored form:</u>

  • a(x - α)(x - β), where a- leading coefficient, α and β - roots

<u>We have:</u>

  • a = 3, α = 1, β = -2

<u>Substitute them to get:</u>

  • 3(x - 1)(x + 2)

<u>Converting this into standard form:</u>

  • 3(x - 1)(x + 2) =
  • 3(x² + x - 2) =
  • 3x² + 3x - 6
3 0
2 years ago
How would i graph y=2x+5
Anna35 [415]

To be able to graph this you need to start on -2 on the y-axis then move up 5 then 1 to the right

The dot should be on (1,3)

6 0
3 years ago
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