3 years ago

I have 11 ones and I am between 70 and 80. How many tens do I have? Who am I?

Mathematics

1 answer:

bija089 [108]3 years ago

5 0

You’re someone that really cares about life

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Triangles ABD and ACE are similar right triangles. which ratio best explains why the slope of AB is the same as the slope of AC

sertanlavr [38]

B. AC/EA = AB/DA because theyre equal slopes just different sizes

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IF YOU ARE SMART DO THIS PROBLEM NOT PEOPLE WHO DONT WANN HELP

Alexxandr [17]

Answer:

3.28ft

Step-by-step explanation:

Rectangular Prism Formula:

l*w*d = v

(plug in values)

2.6*1.4*d=11.94

3.64*d=11.94

d = 3.28ft

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3 years ago

What product is shown by the model?

Alla [95]

Answer:

85 i think

Step-by-step explanation:

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An investment of $6,599.20 earns 4.2% interest compounded monthly over 7 years. Approximately how much interest is earned on the

dmitriy555 [2]

Fv=6599.20(1+0.042/12)^12*7
Fv=8850.20
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3 years ago

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Find all complex solutions of X^2-5X -5= 0

denis-greek [22]

ANSWER

$x = \frac{ 5 - 3\sqrt{ 5} }{2} \: or \: x = \frac{ 5 +3 \sqrt{ 5} }{2}$

EXPLANATION

The given equation is

${x}^{2} - 5x - 5 = 0$

The solution is given by the formula

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a}$

where a=1, b=-5, c=-5

We substitute into the formula to get;

$x = \frac{ - - 5 \pm \sqrt{ {( - 5)}^{2} - 4(1)( - 5)} }{2(1)}$

We simplify to get,

$x = \frac{ 5 \pm \sqrt{ 45} }{2}$

The solutions are:

$x = \frac{ 5 - 3\sqrt{ 5} }{2} \: or \: x = \frac{ 5 +3 \sqrt{ 5} }{2}$

The equation has no complex roots.

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