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tankabanditka [31]

3 years ago

8

Oliver starts with a collection of bricks in which the combined number of blue and green bricks is odd. Explain why he cannot en

d up with a combined number of blue and green bricks.

1 answer:

Thepotemich [5.8K]3 years ago

6 0

soory I don't know the answer

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2.) Two students are working on a simplification problem. Their work is shown below. Is either of

kvasek [131]

Answer:

Both Jeff and Lori are wrong.

Step-by-step explanation:

$3 - \frac{(4 \times 3)^{2} }{2} + (1 \times 6)$

$3 - \frac{12^{2}}{2} + 6$

$3 - \frac{144}{2} + 6$

$3 - 72 + 6$

$- 72 + 9$

$- 63$

-63 is the final answer

8 0

3 years ago

In 2000, the population of a county was 25,300,987. The population decreased at a rate of 2% each year. What was the population

EastWind [94]

Answer: In 2008 the population was 21,525,144

Step-by-step explanation:

You need to use the following formula for Exponential decay:

$P=P_0(1-r)^t$

Where $P_0$ is the initial population in the year 0, $r$ is the rate of decay and $t$ is the time.

In this case, you can identify that:

$P_0=25,300,987\\\\r=2\%\\\\t=8$

Therefore, substituting these values into the formula for Exponential decay, you get:

$P=P_0(1-r)^t\\\\P=(25,300,987)(1-\frac{2}{100})^8\\\\P=21,525,144$

Then, in 2008 the population was 21,525,144

6 0

3 years ago

A restaurant is offering 2 specials: 10 burritos for $12, or 6 burritos for $7.50. Noah needs 60 burritos for his party. Should

slega [8]

Answer:

6 orders of the 10 burrito special

Step-by-step explanation:

10 burritos for $12

60 burritos for $72.

6 burritos for $7.50

10 burritos for $75

So the 10 burritos for $12 is better.

Hope this helps :D

5 0

3 years ago

(6-d)(d^2-5+3D) please help me answer this hahaha

levacccp [35]

If you're simplifying the equation your answer is going to become -d^3 +3d^2 +23d -30

3 0

3 years ago

The perimeter of a rectangle is 30 cm and its length is x cm. Find its area in terms of x. step by step explanation.

mars1129 [50]

Answer:

The area of the rectangle in terms of 'x' = 13x

Step-by-step explanation:

Perimeter = 30 cm

Length = x cm

Using the perimeter formula to find the width w.

$P=2(l+w)$

$P = 2l + 2w$

$2w = P-2l$

Dividing both sides by 2

$w\:=\:\frac{P}{2}-2$

as P = 30 cm

$w\:=\:\frac{30}{2}-2$

$w\:=\:15-2$

$w = 13$ cm

Using the formula of the rectangle area

$A = wl$

substitute w = 13 and l = x in the formula

$A=13\times \:x$

$A = 13x$

Therefore, the area of the rectangle in terms of 'x' = 13x

7 0

3 years ago