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Fittoniya [83]
3 years ago
12

5. If three times a number is increased by 4, the result is -8.

Mathematics
2 answers:
KonstantinChe [14]3 years ago
6 0
False

I think that’s right because three times 5 is 15 increased by four is 19 not -8 so...
Fittoniya [83]3 years ago
3 0

Step-by-step explanation:

Hey there!

Let the unknown number be x. Then;

According to the question;

3x+4= -8

3x = -12

x = -12/3

Therefore, x = -4

Check:

3*-4 +4 = -8

-12+4 = -8

-8= -8 (True).

<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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Y^3-8y^2+19y=12<br>Solve​
Sliva [168]

Answer:

Step-by-step explanation:

steps are below

step 1

y^3-8y^2+19y=12  equation

step 2

y^3-8y2+19y(-12)=12(-12)  minus 12 from both sides

y^3-8y^2+19y-12=0

step 3

(y-1)(y-3)(y-4)=0  add brackets

step 4

(y-1)(y-3)(y-4)=0  factor

step 5

y-1=0 or y−3=0 or y-4=0  set them equal

Answer:

y=1 or y=3 or y=4

3 0
3 years ago
A 17-inch candle is lit and burns at a constant rate of 1.3 inches per hour. Let t represent the number of hours since the candl
pshichka [43]

Answer

Since the lyla deleted it actually for a good reason let me explain. But you dont just delete random answers, you can give a comment. I can report you for doing that.

So since it burns at 1.3 per hour. Notice that since it gets removed per hour. so it would be 1.3t so it multiplies per hour. Then we need to subtract. Thats because it lowers the length of the candle. So we get the original length - 17 and get the function

f(t) = 17-1.3t

6 0
3 years ago
What is the difference between the greatest and least amounts of rainfall
drek231 [11]

Answer:

- The greatest amount of rainfall is represented by the greatest number

- The least amount of rainfall is represented by the least number

Step-by-step explanation:

5 0
2 years ago
Make a comparison true. Drag and drop tenth value to fill in the blank. Select all that apply. 24. _ &gt; 24. 34
spayn [35]

Answer:

Step-by-step explanation:

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3 0
2 years ago
Michael has a set of 24 math problems to do for homework. Michael completed 1/4 of his homework in 3/4 of an hour. If he continu
gtnhenbr [62]

Given:

Total number of problems = 24

Michael completed \dfrac{1}{4} of his homework in \dfrac{3}{4} of an hour.

To find:

What fraction of his homework would he complete in one hour.

Solution:

We have,

Part of work done in \dfrac{3}{4} of an hour =\dfrac{1}{4}

Part of work done in an hour =\dfrac{4}{3}\times \dfrac{1}{4}

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Therefore, he complete \dfrac{1}{3} of his homework in 1 hour. Hence, all options are incorrect.

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2 years ago
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