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3 years ago

Help please I don’t understand

Mathematics

2 answers:

soldi70 [24.7K]3 years ago

6 0

It’s A but i look good

attashe74 [19]3 years ago

5 0

Answer:

y=3x

Step-by-step explanation:

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Find the slope of a line that passes through the following points<br> (-1,-5), (3,-3)

svet-max [94.6K]

Answer:

$m=\frac{1}{2}$

Step-by-step explanation:

defition of slope(m) of a line:

$m=\frac{Y_b-Y_a}{X_b-X_a}$

A=(-1,-5)=(Xa,Ya) then Xa= -1 and Ya= -5

B=(3,-3)=(Xb,Yb) then Xb=3 and Yb= -3

$m=\frac{-3-(-5)}{3-(-1)} \\\\m=\frac{-3+5}{3+1} \\\\m=\frac{2}{4} \\\\m=\frac{1}{2}$

8 0

2 years ago

Solve for 19= -3a -5

Vesnalui [34]

Answer:

a = -8

Step-by-step explanation:

19 = -3a - 5

Add 5 to both sides.

24 = -3a

Divide both sides by -3.

-8 = a

Switch sides.

a = -8

6 0

3 years ago

Read 2 more answers

Solve the equation. \dfrac34 =m+\dfrac14 4 3 =m+ 4 1 start fraction, 3, divided by, 4, end fraction, equals, m, plus, start

RSB [31]

Answer:

$\boxed{\dfrac{1}{2} = m}$

Step-by-step explanation:

Given equation:

$\dfrac{3}{4} = m + \dfrac{1}{4}$

<u>Step-1: Subtract 1/4 both sides</u>

$\dfrac{3}{4} = m + \dfrac{1}{4}$

$\dfrac{3}{4} - \dfrac{1}{4} = m$

$\dfrac{2}{4} = \boxed{\dfrac{1}{2} = m}$

3 0

2 years ago

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!

kirza4 [7]

Okay follow these patterns and you will always get your answer

Cone = (13)πr2h, where r is the radius and h is the height.

Cube = s2, where s is the length of the side.

Cylinder = πr2h, where r is the radius and h is the height.

Rectangular prism= l×w×h, where l is the length, w is the width and h is the height.

Sphere = (43)πr3, where r is the radius.

ANSWER: (D) 904.78 cm^3

5 0

3 years ago

Find the given term 11, -33,99 9th term

kvv77 [185]

Assuming the sequence goes on like this 11,-33,99,-297,891,...,
its general formula is $a_n=-11\cdot(-1)^n\cdot3^{n-1}$

So, the 9th term is
$a_9=-11\cdot(-1)^9\cdot3^{9-1}=-11\cdot(-1)\cdot6561=72171$

5 0

3 years ago