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hram777 [196]
3 years ago
8

WILL GIVE BRAINLIEST!! {y+3/2x>−3 y−5≤−6x

Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0
The answer to the question is c
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If one angle of a triangle is 90°, then the other two add to 90°. <br> Write the To Prove statement
hram777 [196]
So a triangle is always 180°.
If one angle is 90° then we can subtract that from the 180° to find out how much the other two will be.
180°-90°=90°
So the other two angles added together will have to equal 90°.
5 0
3 years ago
What is the domain of the step function f(x) = [2x] – 1?
omeli [17]

You have troubles with domains only if you have:

  • Denominators
  • Roots with an even degree
  • Logarithms

In this case, you have neither of these three, so you can compute your function wherever you want. The domain is all real numbers.

6 0
3 years ago
Read 2 more answers
1. (08.01 MC)<br> The graph shows two lines. A and B
Ivahew [28]

Answer:

Part A:

A pair of linear equations can only have one solution or infinitely many solutions. In this case, there would only be one solution as they intersection at only one point.

Part B:

The solution would be (3, 4) because it is the point of intersection between the two linear lines.

6 0
1 year ago
Dominos Pizza for years made a claim that they would deliver your pizza within 30 minutes ("30 minutes or less") of your order b
olchik [2.2K]

Answer:

a. t*

b. (22.87, 24.53)

c. yes

Step-by-step explanation:

We have the following data:

mean = m = 23.7

standard deviation = sd = 2.15

x = 20

Thus:

a. The critical value would be t * since the value is m <30

b. whenever the mean is less than 30, the t distribution is used, for 95% confidence interval with degree of freedom = (x - 1) df

 = 20 - 1

 = 19

now, for this value we look in the table of t, we find that t * = 1.729

m + - t * (sd / x ^ 81/2))

replacing

23.7 + - 1.729 * (2.15 / 20 ^ (1/2))

23.7 + - 0.8312

then the inverval would be:

23.7 + 0.8312 = 24.5312

23.7 - 0.8312 = 22.8688

(22.87, 24.53)

c. yes, the interval is accurate since the mean of 23.7 is within this value

6 0
3 years ago
A spider ate 25%25\% 25% 25, percent more bugs this month than last month. The spider ate 88 8 8 bugs last month. How many bugs
alekssr [168]

Answer:

10 bugs

Step-by-step explanation:

If last month the spider ate 8 bugs, and this month the spider ate 25% more bugs, we can calculate the amount of bugs the spider ate this month finding how much is 25% of 8 bugs, and them we sum this value to the 8 bugs it ate last month.

25% of 8 = 8 * 25 / 100 = 2

Now we know that the spider ate 2 more bugs, so the amount of bugs it ate this month is 8 + 2 = 10 bugs.

We can also solve this problem multiplying directly 8 by 1.25 (1.25 represents the 25% increase in the bug consumption):

8 * 1.25 = 10 bugs.

6 0
3 years ago
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