3 years ago

The graph shows the relationship between the height of a tree and its age in years.

1 answer:

8 0

You have to find how much does it grow each year.

Ratio of height and years. Height is 10 units and age 5 units.

Ratio = 10/5 = 2

So 2 units a year.

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Could someone please help me :<br> Simplify the algebraic expression: 10p - 5c + 2p + 8c

Roman55 [17]

10p - 5c + 2p + 8c

= 10p + 2p - 5c + 8c

= (10+2)p + (-5+8)c

= 12p + (8-5)c

= 12p + 3c

4 0

3 years ago

Find the magnitude of the vector.<br> (-2,-7)

nevsk [136]

Answer:

$\sqrt{53}$

Step-by-step explanation:

$\begin{pmatrix}-2&-7\end{pmatrix}\\=\sqrt{\left(-2\right)^2+\left(-7\right)^2}\\\\$

Then you need to simplify:

$=\sqrt{2^2+\left(-7\right)^2}\\=\sqrt{2^2+7^2}\\=\sqrt{4+7^2}\\=\sqrt{4+49}\\=\sqrt{53}$

3 0

3 years ago

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The question is on the picture

Ghella [55]

Answer:6/10

Step-by-step explanation:

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7 0

3 years ago

(x+0)(x-3)(x+0)(x+5)

pshichka [43]

Answer:

x^2 + 2x - 15

Step-by-step explanation:

(x-3)(x+5) = x^2 + 2x - 15

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3 0

3 years ago

How much simple interest rate would earn if had $10,000 and you were being paid 5% for 15 months?

lakkis [162]

Here is the interest equation: I=prt
Where I is interest, p is principal, r is rate and t is time(in years).
Substitute with known values.

I= prt
I= 10000(.05)(1 and 1 over 4)
I= 625
Answer: $625 for 15 months.

4 0

4 years ago