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Svetradugi [14.3K]
3 years ago
11

Solve the inequality.

Mathematics
2 answers:
natali 33 [55]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Given

9 { \frac{x}{3} + 1 } ≥ 6 ( divide both sides by 9 )

\frac{x}{3} + 1 ≥ \frac{6}{9} , that is

\frac{x}{3} + 1 ≥ \frac{2}{3} ( multiply through by 3 to clear the fractions )

x + 3 ≥ 2 ( subtract 3 from both sides )

x ≥ - 1 → C

Olin [163]3 years ago
5 0
This are the steps for the answer

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X,y and z are three consecutive even numbers if y^2 - 2 = 2x + 5Z find x,y and z​
Rama09 [41]

Answer:

6, 8, 10

Step-by-step explanation:

x y and z are three consecutive even numbers

it means that you can write y = x + 2

and z = y + 2 = x + 4

so

  y^2-2=2x+5z\\  (x+2)^2-2=2x+5(x+4)\\x^2+4x+4-2=2x+5x+20

  x^2+4x+2=7x+20\\x^2+4x+2-7x-20=0\\x^2-3x-18=0\\(x+3)(x-6)=0(x=-3\ or \ x=6)

so the solutions are

x = 6

y = 8

x = 10

6 0
3 years ago
Read 2 more answers
When multiplying numbers in scientific notation you blank the coefficients and substract the exponents?
34kurt
For the sake of example, let's multiply the two numbers 2.3 \times 10^5 and 3.5 \times 10^7 together. Altogether, we have:

2.3\times10^5\times3.5\times10^7

Rearranging the expression, we can group the exponents and coefficients together:

2.3\times3.5\times10^5\times10^7

Multiplying each out, we notice that since 10^5 and 10^7 have the same base (10), multiplying them has the effect of adding their exponents, which leaves us with:

2.3\times3.5\times10^{5+7}=8.05\times10^{12}

The takeaway here is that multiplying two numbers in scientific notation together has the effect of multiplying its coefficients and <em>adding</em> its exponents.
8 0
3 years ago
Solve y-12/25=3 1/5. What number is y?<br><br> A. 3 1/5<br> B. 3 17/25<br> C. 3 7/25<br> D. 4 17/25
kicyunya [14]

Answer:

Option c) y=3\frac{17}{25} is correct

The value of y is 3\frac{17}{25}

Step-by-step explanation:

Given equation is  

y-\frac{12}{25}=3\frac{1}{5}

To solve the given equation for y

y-\frac{12}{25}=3\frac{1}{5}

y-\frac{12}{25}=\frac{16}{5}  (converting mixed fraction to normal fraction )

y-\frac{16}{5}=\frac{12}{25}

y-\frac{(16\times 5)+12}{25}  (taking LCM 25 )

=\frac{80+12}{25}  (adding the terms )

y=\frac{92}{25}  (now convert fraction into mixed fraction )

Therefore y=3\frac{17}{25}

Option c) y=3\frac{17}{25} is correct

The value of y is 3\frac{17}{25}

6 0
3 years ago
What transformations of the parent function (X) = Ixl should be made to obtain the graph fx) = -|x|- 5?
Ulleksa [173]

Answer:

Step-by-step explanation:

D. Reflection over the y axis shift up 5 units

5 0
3 years ago
I really need help with this, I'll give Brainliest to whoever answers correctly!
alexgriva [62]

Answer:

B) 5 5/8in x 9in is your answer

Step-by-step explanation:

First add the bottom numbers together (9+6+9) which gives you 24. Then multiply both sides by 3/8 (15 x 3/8= 5 <u>5/8</u>) and (24 x 3/8= <u>9</u>) making your answer 5 5/8 x 9

5 0
3 years ago
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