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liubo4ka [24]
2 years ago
15

I WILL GIVE 30 POINTS TOO WHOM FIRST ANSWERS THIS QUESTION RIGHT!!!! AND IF I HAVE OTHER QUESTIONS AND THEIR ANSWERED I WILL COU

NT BRAINLIEST!!!!!!!
Solve the inequality below.
-x + 5 < 7
Which of the following values of x DO NOT make the inequality true?
A. -1
B.- 3
C. 7
D. 5
Mathematics
2 answers:
irinina [24]2 years ago
8 0

Answer:

-3

Step-by-step explanation:

Solve for x in the inequality, to get x > -2 (see the image below if you want to know how to solve it). Then, we can substitute the numbers for x to see which ones DO NOT make the inequality true:

-1 > -2  This is <u>true</u>, because -1 <u>is greater</u> than -2

-3 > -2  This is <u>false</u>, because -3 <u>is </u><em><u>not</u></em><u> greater</u> than -2

7 > -2  This is <u>true</u>, because 7 <u>is greater</u> than -2

5 > -2  This is <u>true</u>, because 5 <u>is greater</u> than -2

So you can see that -3 is the number that DOES NOT make the inequality true. So therefore:

<u>Answer:</u> -3

Hope this helps! :)

lana [24]2 years ago
5 0

Answer:

B: -3

Step-by-step explanation:

-(-3) + 5 < 7

3 + 5 <7

8 < 7 FALSE

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Which of these proportions is equivalent to the equation 2+1/b-2 = 3b/b+2 ?
Leokris [45]
The answer could be 2b+3/b-2=3b/+2

7 0
2 years ago
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(2) 345
inessss [21]

Answer:

275 miles in 5 hours

55 miles in one hour

Check

to check if im right

275×2 would be how many miles she drove in 10 hours rght ? 275×2=550

550 miles in 10 hours

we know one hour is 55 miles & 5 hours is 275 & 10 hours is 550

10 hours plus 3 hours = 13 hours right ?

55 ×3 = 165

550 +165=715

715 miles in 13 hours

Step-by-step explanation:

715÷13 to get how many miles she drove in one hour .

=55 miles in 1 hour .

then multiply 55 ×5 to get how many miles she drove in 5 hours

55×5=275

275 miles in 5 hours

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2 years ago
Which equation represents a line that passes through (–2, 4) and has a slope of 2/5
cupoosta [38]

Equation of a line is given by y - y1 = m(x - x1); where m is the slope.

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y - 4 = 2/5 (x + 2)

Hope this helps! :)

3 0
1 year ago
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The total height of an office building b and the granite statue that stands on top of it g is 326.6 feet. The difference in heig
Zepler [3.9K]

Answer: The height of building is 311 feet and the height of statue is 15.6 feet.


Step-by-step explanation:

Let the height of the building be 'b' and the height of the statue be 'g'.

Then according to the question, we get the following equation

b+g=326.6.......(1)\\b-g=295.4............(2)

Now, add both the equations, we get

2b=622\\\Rightarrow\ b=311

Substitute the value of b in equation (2), we get

311-g=295.4\\\Rightarrow\ g=311-295.4\\\Rightarrow\ g=15.6

Hence, the height of building = 311 feet and the height of statue =15.6 feet.


7 0
3 years ago
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just olya [345]

60 x 5 = 300 days

So five half-lifes = 300 days

Starting amount = 500mg

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<span>Amount after 2nd half-life = 125 mg</span>

<span>Amount after 3rd half-life = 62.5 mg</span>

<span>Amount after 4th half-life = 31.25 mg</span>

<span>Amount after 5th half-life = 15.625 mg</span>

<span>Hence after 300 days, the amount of iodine-125 will be 15.625 mg out of 500 mg.</span>

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3 years ago
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