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3 years ago

12

!! IMPORTANT !! PLEASE HELP WILL MARK BRAINLIEST AND 30 POINTS PLEASE!!

1 answer:

telo118 [61]3 years ago

7 0

Answer:

The answer is option 4.

Step-by-step explanation:

Option 1, the slope is :

$m = \frac{26 - 20}{0 - 68} = - \frac{6}{ 68} = - \frac{3}{34}$

Option 2, the slope represents miles per minutes.

Option 3, the y-intercept is (0,26).

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Five years ago p was 5 times older than l. In ten years l will be 4/7 as old as p. What are the current ages of l and p?

Sauron [17]

Answer: $\dfrac{110}{13},\dfrac{290}{13}$

Step-by-step explanation:

Let $a_{I}$ be the present age of I.

Let $a_{p}$ be the present age of P.

$5$ years ago P was $5$ times older than l.

Age of P $5$ years ago is $a_{p}-5$

Age of I $5$ years ago is $a_{I}-5$

$5\times (a_{I}-5)=a_{p}-5\\5a_{I}=a_{p}+20$ ....(i)

After $10$ years l will be $\frac{4}{7}$ as old as P.

Age of P $10$ years after is $a_{p}+10$

Age of I $10$ years after is $a_{I}+10$

$a_{I}+10=\frac{4}{7}\times (a_{p}+10)\\ 7a_{I}+30=4a_{p}$ ...(ii)

using (i) and (ii),

$7a_{I}+30=4(5a_{I}-20)\\110=13a_{I}\\a_{I}=\frac{110}{13}years$

$a_{P}=5a_{I}-20=5\times \frac{100}{13}-20=\frac{290}{13} years$

7 0

3 years ago

Kinsley's age is 7 years less than twice Jacob's age. If Kinsley is 13 years old, how old is Jacob? Choose the answer below that

valina [46]

Answer:

10

Step-by-step explanation:

K = 13 J = ?

2J - 7 = 13

2J = 20

J = 10

6 0

3 years ago

When Yosef was born, his parents put $1000 into a savings account that earns 4%

deff fn [24]

Answer:

$840 interest

Step-by-step explanation:

4% of 1000 is 40

40•21= 840

If you are adding the interest rate and the $1000 together then you get $1840

Hope this helps

7 0

3 years ago

Hey! please help me posted picture of question:)

Ilia_Sergeevich [38]

The answer is a and c

Hope this helps.

6 0

4 years ago

3/5 =2/3t what is t PLZ HELP

Brut [27]

$3/5 = (2/3)t$
cross multiply
$9/10 = t$

4 0

3 years ago

Read 2 more answers