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Brut [27]
2 years ago
14

7D%20%20%3D%203" id="TexFormula1" title=" {x}^{3} - 4x + \sqrt{{x}^{3} - 4x + 9 } = 3" alt=" {x}^{3} - 4x + \sqrt{{x}^{3} - 4x + 9 } = 3" align="absmiddle" class="latex-formula">
Help me please ​
Mathematics
1 answer:
eimsori [14]2 years ago
3 0
X= -2,0,2

For this question, you need to isolate all terms under the square root, so you need to move x^3 and -4x to the right. Then you would square both sides, and combine like terms.
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P=3w^2. <br> Calculate P when w=4.
algol13
P= 3(4)^2
P= 12^2
P = 144
4 0
3 years ago
What was the population in 2008?<br> Can someone explain this to me?
Bas_tet [7]

Answer:

UNITED STATES ITALY DEM. REP. CONGO

Population mid-2008 305 million 60 million 67 million

Population 2050 (projected) 438 million 62 million 189 million

Lifetime births per woman 2.1 1.3 6.5

Percent of population below age 15 20% 14% 47%

Percent of population ages 65+ 13% 20% 3%

Life expectancy at birth 78 years 81 years 53 years

Annual births 4.3 million 568,120 2.9 million

Annual deaths 2.4 million 575,300 0.8 million

Annual births minus deaths 1.9 million -7,200 2.1 million

Percent of population undernourished <2.5% <2.5% 74% hope this helps!

6 0
2 years ago
Read 2 more answers
The midsegment of a trapezoid is always parallel to each base true or false
Deffense [45]

Answer:

True

Step-by-step explanation:

we know that

The <u><em>Trapezoid Mid-segment Theorem</em></u> states that : A line connecting the midpoints of the two legs of a trapezoid is parallel to the bases, and its length is equal to half the sum of lengths of the bases

see the attached figure to better understand the problem

EF is the mid-segment of trapezoid

EF is parallel to AB and is parallel to CD

EF=(AB+CD)/2

so

The mid-segment of a trapezoid is always parallel to each base

therefore

The statement is true

8 0
3 years ago
Use trigonometry to work out the height, v,
IrinaVladis [17]

Answer: 8.2 mm

Step-by-step explanation:

\sin 60^{\circ}=\frac{v}{9.5}\\\\v=9.5 \sin 60^{\circ} \approx \boxed{8.2 \text{ mm}}

7 0
2 years ago
) For a company picnic, Robert ordered a box of fresh-baked gingerbread cookies and
Tasya [4]

Answer:

30 gingerbread cookies.

Step-by-step explanation:

100 x 0.3 = 30

8 0
2 years ago
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