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vlabodo [156]
3 years ago
6

Pls answer asap the sooner the better :)

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

Answer:

<h2>a+4=9.1</h2>

Step-by-step explanation:

<h3>first </h3><h3>we have two sides which are equal</h3><h3>so according to the question</h3><h3>the equation is</h3><h2>4+a=9.1</h2>

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after a party, there are parts of three pizzas remaining. There is a 1/5 of a pepperoni pizza remaining, 3/8 of a cheese pizza r
Alona [7]

Answer:

2/5

Step-by-step explanation:

Multiply all the fraction

8 0
3 years ago
A line passes through the given points. Write an equation for the line in point-slope form. Then rewrite the equation in slope-i
Andre45 [30]

Answer:

The answer to your question is  a)      y - 2 = -5(x - 3)  

                                                      b)     y = -5x + 17  

Step-by-step explanation:

Data

A (1, 12)

B (3, 2)

Process

1.- Find the slope

Formula

m = \frac{y2 - y1}{x2 - x1}

Substitution

m = \frac{2 - 12}{3 - 1} = \frac{-10}{2} = - 5

2.- Find the equation in point slope form

Equation

                             y - y1 = m(x - x1)

Substitution and equation

                           y - 2 = -5(x - 3)

3.- Find the slope-intercept form

Expand the point slope form

                           y - 2 = -5x + 15

Simplify

                           y = -5x + 15 + 2

Equation

                          y = -5x + 17                                            

6 0
3 years ago
Read 2 more answers
How to solve this question #4 ?
gayaneshka [121]
This question is a piece-o-cake if you know the formulas for the area and volume of a sphere, and impossible of you don't.

Area of a sphere = 4 π R²  (just happens to be the area of 4 great circles)

Volume of a sphere = (4/3) π R³

We know the area of this sphere's great circle, so we can use the
first formula to find the sphere's radius.  Then, once we know the
radius, we can use the second formula to find its volume.

Area of 4 great circles = 4 π R²

Area of ONE great circle = π R²

           225 π cm²  =  π R²

               R²  =  225 cm²

               R  =  √225cm²  =  15 cm .

Now we have a number for R, so off we go to the formula for volume.

         Volume  =  (4/3) π R³

                      =  (4/3) π (15 cm)³

                      =  (4/3) π (3,375 cm³)

                       =      14,137.17  cm³      (rounded)

This answer feels very good UNTIL you look at the choices.
_____________________________________________________

I've gone around several loops and twists trying to find out what gives here,
but have come up dry.

The only thing I found is the possibility of a misprint in the question:  

If the area of a great circle is 225π cm², then the sphere's AREA is 900π cm².

I'm sure this is not the discrepancy.  I'll leave my solution here, and hope
someone else can find why I'm so mismatched with the choices.
5 0
3 years ago
Read 2 more answers
Can u solve for me because this is confusing and I don’t get the e
Sveta_85 [38]
It is 3 pears to 9 apples which is 3:9 which simplifies down to 1:3
6 0
3 years ago
Read 2 more answers
I need a solution on how to do this!!!!<br> simplify fully
kirill115 [55]

Answer:

\frac{x-5}{x-7}

Step-by-step explanation:

Given

\frac{x^2-2x-15}{x^2-4x-21} ← factor numerator and denominator

= \frac{(x-5)(x+3)}{(x-7)(x+3)} ← cancel (x + 3) on numerator and denominator

= \frac{x-5}{x-7}

4 0
3 years ago
Read 2 more answers
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