3 years ago

Help!!!!!!! Can’t decide whether it’s A or B

Mathematics

2 answers:

Katyanochek1 [597]3 years ago

7 0

Answer:

i think it's a

Step-by-step explanation:

Trava [24]3 years ago

6 0

Answer:

Step-by-step explanation:

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The area of the rectangular flowerbed is 20.4 square meters with a length of 12 square meters. How many meters of edging are nee

posledela

A = lw
20.4 = 12w
1.7 = w

P = 2 (l + w)
P = 2 (12 + 1.7)
P = 2 (13.7)
P = 27.4 m

4 0

3 years ago

Read 2 more answers

Lin has a drawing with an area of 12 in2. If she increases all the sides by a scale factor of 5, what will the new area be?

Brut [27]

The anwer to ur question is 60 I’m pretty sure because u times the 12 by 5 and get 60

8 0

3 years ago

Find the exponential function P(t)=P0a^t where P(2)=5 and P(4)=10

asambeis [7]

Answer:

$P(t)=\frac{5}{2} \cdot (\sqrt{2})^t$

Step-by-step explanation:

$P(2)=5$ meants when $t=2$ , that the value for $P(t)$ is 5.

So this gives us this equation:

$5=P_0 \cdot a^2$

$P(4)=10$ meants when $t=4$ , that the value for $P(t)$ is 10.

So this gives us this equation:

$10=P_0 \cdot a^4$

So I take equation 2 and divide it be equation 1 I get:

$\frac{10}{5}=\frac{P_0 \cdot a_4}{P_0 \cdot a_2}$

Simplifying:

$2=a^2$

Since the base for an exponential function can't be negative then $a=\sqrt{2}$ .

So plugging into one of my equations I began with gives me an equation to solve for the initial value, $P_0$ :

$5=P_0 \cdot (\sqrt{2})^2$

$5=P_0 \cdot 2$

Divide both sides by 2:

$\frac{5}{2}=P_0$

The function is:

$P(t)=\frac{5}{2} \cdot (\sqrt{2})^t$

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4 years ago

Help me fast please it’s timed

Dovator [93]

Answer:

hope this is correct. not sure if the g is grams but if it is then just know a measuring unit is not super to have a negative value.

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3 years ago

Three friends ate lunch at a restaurant together. The friends want to determine how much they each owe for their share. If Jenn'

kolezko [41]

Answer:

prachis meal cost $9 :)))

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4 years ago