4 years ago

It is greater than 43 and less then 52 if you add the digits the sum is 8

Mathematics

1 answer:

Ksenya-84 [330]4 years ago

3 0

44 is the answer 4+4=8

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The solution to this system of equations lies between the x-values -2 and -1.5. At which x-value are the two equations approxima

drek231 [11]

Hello,
$\left \{ {{y= \dfrac{1}{x+2} } \atop {y=x^2+2}} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {\dfrac{1}{x+2}=x^2+2}} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {x+2= \dfrac{1}{x^2+2} }} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {x= \dfrac{1}{x^2+2} -2}} \right. \\\\


$
x=-1.81053571 and y=<span> 5,27803957 </span>

Download xls

3 0

3 years ago

Read 2 more answers

Find the geometric mean of 8 and 13.

Doss [256]

Find the factors from the roots, then multiply the factors together.
y
=
x
2
−
21
x
+
104

7 0

3 years ago

Problem

Ganezh [65]

Explanation is in the file

tinyurl.com/wpazsebu

8 0

3 years ago

The equation

faust18 [17]

Answer:

best approximate is 78 F. to find x, count number of hours between 5 am and 2 pm (which is 9). Substitute 9 into the equation and solve. hope this helps!

Step-by-step explanation:

$y = - 0.37 {x}^{2} + 6.15x + 52.3 \\ y = - 0.37 ({9}^{2} ) + 6.15(9) + 52.3 \\ y = - 0.37(81) + 6.15(9) + 52.3 \\ y = - 29.97 + 55.35 + 52.3 \\ y = 77.68$

7 0

3 years ago

Let f(x) = -8x + 4 and g(x) = 3x2 + 5. Find f(7) + g(7) .

VMariaS [17]

Answer:

-7

Step-by-step explanation:

substitute both x's for 7:

(-8(7)+4)+ (3(7)2+5)

= -54 + 47

= -7

6 0

2 years ago