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noname [10]
4 years ago
13

.......................

Mathematics
1 answer:
Alex73 [517]4 years ago
7 0

Answer:

c. (-1, -8)

Step-by-step explanation:

y = 3x-5\\y = 2x-6\\\\3x - 5 = 2x - 6\\x = -1\\\\

Put x in any of the two equations to get y,

y = -8

You might be interested in
The diameter of a circle is 16 centimeters. How would you calculate the area?
Y_Kistochka [10]

Answer: 201.06

Step-by-step explanation:

To find the area of a circle with the radius, square the radius, or multiply it by itself. Then, multiply the squared radius by pi, or 3.14, to get the area. To find the area with the diameter, simply divide the diameter by 2, plug it into the radius formula, and solve as before.

Hope this helps!

6 0
4 years ago
On Wednesday, mr. miles walked and ran 9/10 of the trail. Then he walked 1\8 of the trail back and stopped to rest. What fractio
valentinak56 [21]

Answer:

31/40 of the trail

Step-by-step explanation:

he completed 9/10 of the trail (or 72/80 because 9*8 is 72)

He went back 1/8 of the trail (or 10/80 because 1*10 is 10)

72-10 is 62


he went 62/80, simplified is 31/40 of the trail

7 0
3 years ago
Read 2 more answers
Domarina is making bracelets. she needs 62 cm of gold wire for each bracelet. A roll of wire has 3.10 meters. How many bracelets
geniusboy [140]

Answer:

5

Step-by-step explanation:

To figure this out you first need to find how many centimeters 3.10 meters is worth. 3.10m=310cm. Then, since each bracelet needs 62 cm, you just do 310/62. 310/62=5 So you can make 5 bracelets with one roll of wire.

3 0
3 years ago
the number of ants per acre in the forest is normally distributed with mean 42000 and standard deviation 12275. let x = number o
saul85 [17]

Answer:

0.3182 = 32.81% probability that a randomly selected acre has between 32647 and 43559 ants.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 42000, \sigma = 12275

Find the probability that a randomly selectd acre has between 32647 and 43559 ants.

This is the pvalue of Z when X = 43559 subtracted by the pvalue of Z when X = 32647. So

X = 43559:

Z = \frac{X - \mu}{\sigma}

Z = \frac{43559 - 42000}{12275}

Z = 0.13

Z = 0.13 has a pvalue of 0.5517.

X = 32647:

Z = \frac{X - \mu}{\sigma}

Z = \frac{32647 - 42000}{12275}

Z = -0.76

Z = -0.76 has a pvalue of 0.2236

0.5517 - 0.2236 = 0.3281

0.3182 = 32.81% probability that a randomly selected acre has between 32647 and 43559 ants.

3 0
3 years ago
True or false 16.-84.-184-284 is an arithmetic sequence?<br> O True<br> O False
Liono4ka [1.6K]

Answer:

false

plz tell me if im wrong i hope i helped

6 0
3 years ago
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