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goldenfox [79]
2 years ago
5

Beinggreat78 your lookin for this lol

Mathematics
1 answer:
nadya68 [22]2 years ago
8 0
Step-by-step explanation below

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Plss answer my questions​
KIM [24]

Answer:

a) 450. b) 1:1.25 c) 32 rooms

Step-by-step explanation:

1. 100*4.5 = 450

2. 16:20 divide by 4 -> 4:5  (simplifies to 1:1.25)

3. 64/2 = 32 rooms needed. They have 16.

Sorry if answers are wrong, the picture quality is really poor for me.

8 0
2 years ago
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What is the property of an angle?​
Elena-2011 [213]

Answer:

When to lines intersect they create four angles. Each angle is opposite to another and form a pair of what are called opposite angles. Angles a and c are opposite angles. Angles b and d are opposite angles. Opposite angles are equal.

3 0
3 years ago
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write the formula of the parabola that has x-intercepts (1.3,0) and (-1.3,0), and y-intercept (0,169)
snow_lady [41]

Answer:

y= 169 −  100^{2}

Step-by-step explanation:

3 0
3 years ago
Prove that sin²∅+cos²∅=1 ?​
sasho [114]

Step-by-step explanation:

Let ABC be a right angled triangle where there's a right angle in B . Let the measure of the angle BAC be ∅. So,

\sin(∅)  =  \frac{BC}{AC}

=  >   {\sin}^{2}∅ =  \frac{ {BC}^{2} }{ {AC}^{2} }

Also,

\cos(∅)  =  \frac{AB}{AC}

=  >  { \cos}^{2}∅ =  \frac{ {AB}^{2} }{ {AC}^{2} }

Now adding the values of sin^2∅& cos^2∅,

{ \sin}^{2} ∅ +  { \cos}^{2} ∅ =  \frac{ {BC}^{2} }{ {AC}^{2} }  +  \frac{ {AB}^{2} }{ {AC}^{2} }

=  >  { \sin}^{2} ∅ +  { \cos}^{2} ∅ =  \frac{ {AB}^{2} +  {BC}^{2}  }{ {AC}^{2} }

But we know that

{AC}^{2}  =  {AB}^{2}   +  {BC}^{2} by applying Pythagorean Theorem

So ,

=  >  { \sin}^{2} ∅ +  { \cos}^{2} ∅ =   \frac{ {AC}^{2} }{ {AC}^{2} }  = 1

7 0
3 years ago
1. If x-1 is a factor of p(x)=x^3-7x^2+15x-9, which of the following represents the complete factorization for p(x)?
Snezhnost [94]
<span>1.</span>divide P(x) by (x-1) to get the quadratic equation... from which can be solve using any method in finding the roots of quadratic equation.... 
2 true

branlist pls
4 0
4 years ago
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