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Scrat [10]
3 years ago
14

63.7+(-26) what is 63.7 plus negative 26

Mathematics
1 answer:
andrew-mc [135]3 years ago
6 0

Answer: 63.7 + (-26) = 37.7

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Explain how a number line can be used to find the difference fir 34-28
GarryVolchara [31]
A number line can be used to find the difference because you can count from 28 to 34 and the number you get will be your answer.
5 0
3 years ago
orest fire covers 2008 acres at time t equals 0. The fire is growing at a rate of 8 StartRoot t EndRoot acres per hour, where t
AveGali [126]

Answer: There are 2635 acres covered 24 hours later.

Step-by-step explanation:

Since we have given that

At time t = 0, number of acres forest fire covers = 2008 acres

We first consider the equation:

A=\int\limits^t_0 {8\sqrt{t}} \, dt\\\\A=8\dfrac{t^{\frac{3}{2}}}{\frac{3}{2}}+C\\\\A=\dfrac{16}{3}t^{\frac{3}{2}}+C

At t=0, A= 2008

So, it becomes,

2008=C

So, now it becomes,

A=\dfrac{16}{3}t^{\frac{3}{2}}+2008\\\\At\ t=24,\\\\A=\dfrac{16}{3}(24)^{\frac{3}{2}}+2008\\\\A=2635.06

Hence, there are 2635 acres covered 24 hours later.

6 0
3 years ago
Please help! Answer as many as possible! ​
Mariulka [41]

Answer: 1. 10^3

One thousand

2. 10^5

One Hundred Thousand.

3.10000  4.2000  5. 60000

6. 7

70

700

7000

70000

7.12

120

1200

12000

120000

8.  9 × 1

9 × 10

9 × 100

9 × 1000

9 × 10000

9. value= 20

Step-by-step explanation:

4 0
3 years ago
A polling company has decided to increase the size of its random sample of voters from about 2,000 people to about 4,500 people
VARVARA [1.3K]

The effect of this increase <u>will reduce the variability of the estimate</u>.

<u>Step-by-step explanation</u>:

Variability of a sample can be determined with the help of variance and standard deviation. Sampling variability shows the variation in the estimate between the samples.

Variability is defined as the how close the scores in the distribution are to the middle of the distribution.

In the above scenario, the polling company increases the size of the random sample of voters before election. The proportion of the voters is estimated with the help of poll. The effect of increasing the sample is to reduce the variability of the estimate.

8 0
3 years ago
For a giveaway , a local radio station is station is putting together goodie bags . The bags will include tickets and posters .E
antoniya [11.8K]

Answer:

I think 1 poster and 1 ticket

Step-by-step explanation:

From my perspective this is the correct answer but you never put the actual question.

7 0
3 years ago
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