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Cloud [144]
3 years ago
5

Write a number in each box to make an equation that has no real solution. Explain why this equation has no solution. 4(a-2) + a

= __a - __
Mathematics
1 answer:
borishaifa [10]3 years ago
5 0

Answer:

4(a-2)+a=4a-2 No solution

Step-by-step explanation:

This  would never be true. Try plugging in <em>a</em> as 1.

4(1-2)+1 isn't equal to 4(1)-2.

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Please helpp I will mark brainliest!!&lt;3
OlgaM077 [116]
It’s, 4+x=12. Hope this helps☺️
4 0
3 years ago
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Tried this at least 5 times and can’t seem to get it!
Anika [276]

Answer:

D-45,45,90

Step-by-step explanation:

Think about it both of the sides of the triangle are the same, so that would mean two of the degrees would be the same

7 0
3 years ago
Running times for 400 meters are Normally distributed for young men between 18 and 30 years of age with a mean of 93 seconds and
Luda [366]

Answer:

C. 45 and 141 seconds

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 93 seconds

Standard deviation = 16 seconds

99.7% of running times are approximately between:

By the Empirical rule, within 3 standard deviations of the mean, so between 3 standard deviations below the mean and 3 standard deviations above the mean

3 stnadard deviations below the mean

93 - 3*16 = 45 seconds

3 standard deviations above the mean

93 + 3*16 = 141 seconds

The correct answer is:

C. 45 and 141 seconds

3 0
3 years ago
What is the area of a triangle whose vertices are D(3, 3) , E(3, −1) , and F(−2, −5) ? Enter your answer in the box.
Murljashka [212]

the answer is 5. hope this helps

Pls mark as brainliest


3 0
3 years ago
A jet flies at a rate of 1.3 x 10^ 6 feet per hour. Written in scientific notation, which is the best estimate of how many feet
nadezda [96]
(1.3X10^6ft/hr)(2.8X10^3hr)

(1.3*2.8)(10^6*10^3)

Rule (a^b)(a^c)=a^(b+c)

(3.64)(10^(6+3))

3.64(10^9)

3.64X10^9 ft

Technically we only had two significant figures and the answer should be:

3.6X10^9  if we were to express our answer to the correct number of significant figures....


7 0
3 years ago
Read 2 more answers
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