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riadik2000 [5.3K]
3 years ago
9

Explain what means for a number to be a solution of an inequality

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
4 0
A "solution" is a number that ... when written in place of the variable ...
makes the equation or inequality a true statement.
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"This summer, the water level of Lake Conroe changed by a rate of -1.5 feet per month. The water level at the beginning of May w
Verdich [7]

Answer:

181 feets

Step-by-step explanation:

Given that:

Rate of change in water level = - 1.5 feets per month

Water level at beginning of May = 187 feets above sea level

Water level at the end of 4 months =?

Total change after four months = rate of change per month * number of months

= - 1.5 * 4 = - 6 feets

Hence water level after 4 months :

187 feets + (-6 feets)

187 feets - 6 feets

= 181 feets

8 0
2 years ago
Solve for U <br><br> 11=8+u/7.68
BlackZzzverrR [31]

\begin{gathered}\\ \sf\longmapsto 11=\frac{8+u}{7.68}\end{gathered}

\begin{gathered}\\ \sf\longmapsto 11 =  \frac{8 + u}{ \frac{192}{25} } \end{gathered}

\begin{gathered}\\ \sf\longmapsto 11=\frac{(8+u)×25}{192}\end{gathered}

\begin{gathered}\\ \sf\longmapsto 11=\frac{200+25u}{192}\end{gathered}

\begin{gathered}\\ \sf\longmapsto 2112=200+25u\end{gathered}

\begin{gathered}\\ \sf\longmapsto 2112-25u=200\end{gathered}

\begin{gathered}\\ \sf\longmapsto -25u=200-2112\end{gathered}

\begin{gathered}\\ \sf\longmapsto -25u=-1912\end{gathered}

\begin{gathered}\\ \sf\longmapsto u=\frac{1912}{25}\end{gathered}

<u>Alternate form:</u>

<u>u</u><u>=</u><u>76.48</u>

7 0
2 years ago
joel has an average salary of 34840 works 40 hours a week 52 weeks a year.how much money he makes per hour
seropon [69]
40*52= 2080

34840 / 2080 = $16.75 an hour
5 0
3 years ago
A quadrilateral has two angles that measure 200° and 110°. The other two angles are in a ratio of 2:3. What are the measures of
Elena L [17]

Answer:

20° and 30°

Step-by-step explanation:

the sum of the 4 angles in a quadrilateral = 360°

given 2 angles are 200° and 110° , then remaining 2 angles sum to

360° - 200° - 110° = 360° - 310° = 50°

sum the parts of the ratio, 2 + 3 = 5 parts , then

1 part = 50° ÷ 5 = 10° , so

2 parts = 2 × 10° = 20°

3 parts = 3 × 10° = 30°

the two angles are 20° and 30°

8 0
2 years ago
If c is a constant such that 9x^2+10x+c is equal to the square of a binomial, then what is c?
stiv31 [10]
(9x^2+10x+c) = (3x+b)^2
= 9x^2 + 6b x+ b^2

1) 6b= 10
b+ 5/3

2) c=b^2
c= (5/3) ^2
c= 25/9

(9x^2+10x+25/9)=(3x+5/3)^2

I hope this helps:)


3 0
3 years ago
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