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Sati [7]
4 years ago
13

64 = (3x+1) Find the value of x. A) 21 B) 27 C) 31 D) 34

Mathematics
1 answer:
krek1111 [17]4 years ago
7 0

Take away 1 from either side so the equation becomes 63=3x then divide both sides by 3 so it becomes 21=x which is your answer (option A)

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5) Find the equation of the line going through the point (4,1) and<br> perpendicular to y = - 3x +7
vovangra [49]

Answer:

3y=x-1 OR y=⅓x-⅓

Step-by-step explanation:

Lets call the equation y=-3x+7 line l1

the other line passing through (4,1) l2

If two lines are perpendicular,then the product of their roots=-1

That is m(l1)×m(l2)=-1

Slope of l1=-3 therefore slope of l2=-1÷-3=⅓

Now that we have determined the slope of l2 we move on to find it's equation using the point-slope form

y-y1=m(x-x1)

y-1=⅓(x-4)

3y-3=x-4

3y=x-4+3

3y=x-1 OR y=⅓x-⅓

6 0
3 years ago
What is the value of 5|Y| + 4|Z| ? A.47 B.10 C.38 D.23
Troyanec [42]
23 good luck hopefully you pass the test
7 0
3 years ago
The radius of a circle measures 15 ft. What is the circumference of the circle?
Pie

Answer:

\boxed {\tt 94.2 \ feet}

Step-by-step explanation:

The circumference of a circle can be found using the following formula:

c= \pi d

where d is the diameter. We are given the radius, so let's find the diameter.

The diameter is twice the radius.

d=2r

The radius is 15 feet.

d= 2 * 15 \ ft

Multiply.

d= 30 \ ft

Now we know the diameter. Substitute 30 feet in for d.

c= \pi d

c=\pi * 30 \ ft

We are using 3.14 for pi, so substitute it in.

c=3.14 * 30 \ ft

Multiply.

c= 94.2 \ ft

The circumference of the circle is 94.2 feet.

8 0
3 years ago
Read 2 more answers
Help!
ss7ja [257]

Answer:

1. yes this is proportional

2. your table should include the following numbers

1 = 34

2 = 46

3 = 58

4 = 70

3. 12x + 22 = y

Step-by-step explanation:

5 0
2 years ago
Pls help me with this question... worth above 10 points and giving branliest to those who answer correctly... ty!
olga55 [171]

Answer:

4/6,   2

Step-by-step explanation:

5 0
3 years ago
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