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3 years ago

The product of 17 and a number

Mathematics

1 answer:

Over [174]3 years ago

8 0

<span>17 x X = A, i think.</span>

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The size of an insect population doubles every week. If there are 25 insects initially present, how many insects will there be i

Nata [24]

Answer:

tence there will be 6,00 insects abter 8 weeks.

Step-by-step explanation:

8 0

2 years ago

>> The total cost of a pizza and 3 drinks is $19. The price of the pizza is $10 and each drink is the

pentagon [3]

Answer:

d = 3

Step-by-step explanation:

According the figure:

10 + d + d + d = 19
d = 3

Answer Check Below:

⇒ 10 + 3 = 13

⇒ 13 + 3 = 16

⇒ 16 + 3 = 19

<h2>Therefore, d = 3.</h2>

6 0

2 years ago

Read 2 more answers

Two in-line skaters, Nell and Kristin, start from the same point and skate in the same direction. Nell skates at 16 miles per ho

Paha777 [63]

First, we count how far reached the Nell:
3,5 * 16 = 56 miles

Secondly, we count how far reached the Kristin:
3,5 * 18 = 63 miles

Now we expect the difference in the distance between them:
63 - 56 = 7 miles

The results that Kristin about seven miles driven more than Nell.

8 0

2 years ago

A submarine started at 750 meters below sea level. It rose 50 meters per hour over a 4-hour period. Which expression represents

Cerrena [4.2K]

Answer:

$y(t) = 750 -50t$

Step-by-step explanation:

We want to model the position of the submarine as a function of time.

Notice that we have a constant amount. The initial depth: 750 meters

Then we have a factor that varies over time. Every hour the submarine ascends 50 meters. therefore as t increases the depth y(t) of the submarine decreases. Then the factor is:

-50t.

Where t represents the time in hours.

Then the equation that represents the new position of the submarine in relation to the level of the sea:

$y(t) = 750 -50t$

4 0

3 years ago

Read 2 more answers

The vertex form of the equation of a parabola is y = 2(x + 4)2 - 21.

Ronch [10]

Answer:

y = 2x^2 + 16x + 11

Step-by-step explanation:

2(x + 4)^2 - 21

2(x + 4)(x + 4) - 21

2(x^2 + 8x + 16) - 21

2x^2 + 16x + 32 - 21

2x^2 + 16x + 11

6 0

3 years ago