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2 years ago

9

PLEASE HELP LOL :(

2 answers:

vivado [14]2 years ago

5 0

Ok I just need points

Svet_ta [14]2 years ago

5 0

I’m sorry i just need the points

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12b−15>21?? How is this done? Need help ASAP

dangina [55]

12b-15>21
+15 +15

12b > 36
----- ----
12 12

b = 3

3 0

3 years ago

Read 2 more answers

I need help on what equations is needed only, I know how to solve it and I just need help on # 13 noly

myrzilka [38]

10 (> or = to) 2.00 + 0.75x

Sorry. I don't have that symbol on my keyboard. but her ten dollars has to be greater than or equal to whatever the cost is so that's why that symbol has to be used in this case. 2.00 is the flat rate and add 0.75 multiplied by however many miles she is taking!

Hope this helps!

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2 years ago

Which is an equation of the line that passes through (–1, –5) and (–3, –7)?

babymother [125]

Answer:

y = x - 4

Step-by-step explanation:

The line passes through (-1,-5) and (-3,-7)

The slope of a line is given by; change in y ÷ change in x

i.e slope = $\frac{-7 - -5}{-3 - -1}$ = $\frac{-2}{-2}$ = 1

Taking another point (x,y) on the line.

Slope will be; $\frac{y - -5}{x - -1}$ = 1

Cross multiplying gives; y + 5 = x + 1

Simplifying this equation gives us the equation of our line which is;

y = x - 4

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3 years ago

The formula for the volume of a sphere is. What is the formula solved for r?

nataly862011 [7]

Answer:

$r = \sqrt[3]{\dfrac{3V}{4 \pi}}$

Step-by-step explanation:

$V = \dfrac{4}{3}\pi r^3$

$\dfrac{4}{3}\pi r^3 = V$

$\pi r^3 = \dfrac{3V}{4}$

$r^3 = \dfrac{3V}{4 \pi}$

$r = \sqrt[3]{\dfrac{3V}{4 \pi}}$

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2 years ago

Find the value of x. A. 0 B. 3 C.4 D. 12.

aleksandrvk [35]

Answer:

B = 3

Step-by-step explanation:

3x + 15 = 4x + 12

= 15-12=4x-3x

= 3 = x

X = 3

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2 years ago