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lesya [120]
3 years ago
12

A line has a slope of 1/2 and contains the points (3, y) and (5, 7). The value of y is:

Mathematics
1 answer:
Nat2105 [25]3 years ago
5 0
I think the anwser is 3

Hope I hepled ( :
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Prove that 3: 8 is equivalent to 12: 32
Kazeer [188]
3:8 can also be written as 3/8

12:32 can also be written as 12/32

\frac{12}{32} = \frac{3\times 4}{8\times 4} = \frac{3}{8}

So thus 3:8 is equivalent to 12:32
6 0
3 years ago
Select all the ratios that are equivalent to the ratio 12 : 3. Explain how you know.
oksano4ka [1.4K]

Answer:

the answers are c, d, &f

Step-by-step explanation:

the equivalence to 12:3

1200:300. = 12:3 (reduce by 100)

12:3= 4:1 (reduce by 3)

24:6= 12:3 (reduce by 2)

3 0
3 years ago
Read 2 more answers
You have ​$23 comma 000 to​ invest, part at 8 % and the rest at 9 %. If x is the amount invested at 8 %​, write an algebraic exp
Vinvika [58]

<em>x</em> = amount invested at 8 %. Then 23 000 - <em>x</em> = amount invested at 9 %

Annual income (<em>I</em>) = interest at 8 % + interest at 9 %

<em>I</em> = 0.08<em>x</em> + 0.09(23 000 – <em>x</em>)

<em>I</em> = 0.08<em>x</em> + 2070 – 0.09<em>x</em>

<em>I</em> = 2070 – 0.01<em>x</em>

3 0
2 years ago
Solve for k for the equation h+p=3(k-8)
astraxan [27]

Answer:

h/3 + p/3 + 8 = k

Step-by-step explanation:

h+p=3(k-8)

h+p=3k-24

h+p+24=3k

h/3 + p/3 + 8 = k

8 0
3 years ago
Read 2 more answers
Find the value of p so that the equation 2x²+PX_2=0
padilas [110]
Answer: P = 0

Explanation:

2x^2 + Px - 2 = 0
2x^2/2 + Px/2 - 2/2 = 0/2
x^2 + Px/2 - 1 = 0

If we plug P = 0

x^2 + 0x/2 - 1 = 0
x^2 + 0 - 1 = 0
x^2 - 1 = 0
(x - 1)(x + 1) = 0
8 0
2 years ago
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