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3 years ago

13

What is the value of x in 3x+5+3

1 answer:

Wittaler [7]3 years ago

3 0

Answer:

Step-by-step explanation:

So since the question is no completed. The only way you can answer this is by simplifying it which is not the same as the value of x. It would be 3x+8

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A package of 8 pens costs $1.09. Milo’s work to find the unit price of the pack is shown below.

KengaRu [80]

8 pens costs 1.09
1 pen costs 1.09/8=0.13625

7 0

3 years ago

Read 2 more answers

I NEED HELP I DONT UNDERSTAND

Vikki [24]

Answer:

answers are given below

Step-by-step explanation:

1.

Circumference = $2\pi r$

Where 2r = Diameter

Hence

Circumference = $\pi \times Diameter$

2.

No there is no such circle in which relationship between Radius and Diameter can be represented without $\pi$ .

This is because while deriving the relation the angle measurement ts taken into consideration and the angle are measured in radians i.e. in terms of $\pi$ not degrees.

3. We can not determine the exact circumference because $\frac{22}{7}$ is a rational number and but its value is approximately taken from $\pi$ and $\pi$ is an irrational number

6 0

3 years ago

A parent volunteer group is raising money by making custom hats to sell at school activities they plan to sell the hats for $11

weeeeeb [17]

Answer:

(11 - 5)n - 50

Step-by-step explanation:

Cost of 1 hat = $5
Selling price = $11
Advertising = $50

Let the number of hats be n. Then money made is

<u>Profit for each hat:</u>

(11-5)

<u>Profit for n hats </u>

(11 - 5)n

<u>Deduct cost of advertisement - 50</u>

(11 - 5)n - 50

Option C is correct

6 0

3 years ago

Find the midpoint of the line segment with the given points.

Leno4ka [110]

Answer:

$\displaystyle (-\frac{5}{2}, 4)$

Step-by-step explanation:

We will use the midpoint formula to solve.

$\displaystyle (\frac{x_{1}+x_{2} }{2}, \frac{y_{1}+y_{2} }{2} )$

$\displaystyle (\frac{0+-5 }{2}, \frac{3+5}{2} )$

$\displaystyle (\frac{-5 }{2}, \frac{8}{2} )$

$\displaystyle (-\frac{5}{2}, 4)$

6 0

2 years ago

Help me with this math question gr 8 math please

lakkis [162]

Answer:

C = 112, A = 150, D = 30, B = 38

Step-by-step explanation:

I solved C first using:

30+38+c = 180 (angles along a straight line should add up to 180 since a whole circle is 360)

-

I solved A by looking across from C.

Angles on opposite sides should mirror each other but A includes 38* + C

Just by doing 112 + 38 you get 150.

-

I solved D by looking at 30*, alternative interior angles are the same so D is 30*.

-

I solved B by taking C (112) and D (30) and adding them together and subtracting from 180.

Interior angles of a triangle should all add up to 180,

112 + 30 + B = 180

From this I got that B was 38.

Alternatively you can find this out by looking at the 38 degrees, corresponding congruent angles are always the same.

I suggest reviewing this angles sheet if you're ever stuck in the future.

4 0

3 years ago