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Andrews [41]
3 years ago
12

Write a equation that represents this comparison sentence 32 is 8 times as many as 4

Mathematics
1 answer:
inna [77]3 years ago
7 0
32 = 8 x 4 I think that is the answer
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Ab and bc form a right angle at point B. if a= (-3,-1) and B= (4,4) what is the equation of BC?
Vesnalui [34]

Answer:

Option C -7x-5y=-48

Step-by-step explanation:

step 1

Find the slope of AB

we have

A(-3,-1) and B(4,4)

The slope m is equal to

m=(4+1)/(4+3)

m=5/7

step 2

Find the slope of BC

we know that

If two lines are perpendicular, then the product of their slopes is equal to -1

so

m1*m2=-1

we have

m1=5/7

substitute

5/7*m2=-1

m2=-7/5

step 3

Find the equation of the line into slope point form

y-y1=m(x-x1)

we have

m=-7/5

B(4,4)

substitute

y-4=-(7/5)(x-4)

Multiply by 5 both sides

5y-20=-7x+28

7x+5y=28+20

7x+5y=48

Multiply by -1 both sides

-7x-5y=-48

3 0
3 years ago
Find the equation of a line that passes through the point (2,1) and has a gradient of 2. Leave your answer in the form ax + by =
Arte-miy333 [17]

Step-by-step explanation:

normally, if we have the gradient (or slope of inclination or change rate) and a point, we start using the point-slope form :

y - y1 = a(x - x1)

with (x1, y1) being a point on the line, and a being the slope of gradient (or ... however you want to call it).

y - 1 = 2(x - 2) = 2x - 4

y + 3 = 2x

2x - y = 3

8 0
2 years ago
50 points plus brainliest please help screenshot provided
never [62]

Answer:

\textsf{(a)} \quad (3x)^{\circ}+(x+14)^{\circ}=90^{\circ}

\textsf{(b)} \quad m \angle 1=\boxed{57}\:^{\circ}

       m \angle 2=\boxed{33}\:^{\circ}

Step-by-step explanation:

From inspection of the given diagram:

  • m \angle 1=(3x)^{\circ}
  • m \angle 2=(x+14)^{\circ}

<h3><u>Part (a)</u></h3>

A right angle is 90° and is represented by the ∟ symbol.

To find x, <u>equal</u> the sum of the angles to 90° and solve for x:

\implies m \angle 1+m\angle2=90^{\circ}

\implies (3x)^{\circ}+(x+14)^{\circ}=90^{\circ}

\implies 3x+x+14=90

\implies 4x+14=90

\implies 4x+14-14=90-14

\implies 4x=76

\implies 4x \div 4=76 \div 4

\implies x=19

<h3><u>Part (b)</u></h3>

To find the degree measure of each angle, substitute the found value of x into the expression for each angle.

\implies m \angle 1=(3 \cdot 19)^{\circ}=57^{\circ}

\implies m \angle 2=(19+14)^{\circ}=33^{\circ}

6 0
1 year ago
Read 2 more answers
If triangle TSR is similar to triangle TNM, what is the length of x?
kolezko [41]
X would equal half of 70 because alternate exterior angles are congruent- and 120 is half of 240.

So,

70/2= 35

x would equal 35.

I hope this helps!
~cupcake
4 0
3 years ago
Your neighborhood gym tracked how many days each of its members worked out over the past week. Let G = the
elena-s [515]

Answer:

C.

If many, many members were randomly selected, the average number of days per week a member worked out would be about 1.36 days.

Step-by-step explanation:

yes

8 0
3 years ago
Read 2 more answers
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