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2 years ago

Question is in png pls help!

Mathematics

1 answer:

nika2105 [10]2 years ago

7 0

Answer:

Step-by-step explanation:

Since a circle is 360 degrees all you do is 360/30 since that's the angle of your original "piece" which would get you 12 pieces

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How did i work this out?

bogdanovich [222]

knowing the answer is between 3 & 4 plug those as x and see what you get for answers than adjust the number accordingly

3^3+2(3) = 33 so its higher than 3

4^3 + 2(4) = 72 so it is lower than 4

try the middle so try 3.5

3.5^3 + 2(3.5) = 49.875

question states use 1 decimal place so now try 3.6

3.6^3+2(3.6) = 53.856

3.5 is closest

6 0

3 years ago

Solve the equation using square roots.x2-14=-10

ElenaW [278]

Answer:

x=2

Step-by-step explanation:

$x^{2} -14=-10\\$

Add 14 to both sides

$x^{2}=4$

Square root it

x=2

8 0

3 years ago

A fleece top costs $34.00. It is on sale for one over four off. What is the sale price?

jarptica [38.1K]

If im correct it will be 8.5

8 0

3 years ago

Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks.Josiah has punch c

love history [14]

Let x be the number of weeks; therefore, the two linear equations are

$\begin{gathered} T=2+7x \\ \text{and} \\ C=11+4x \end{gathered}$

Where T stands for the punches on the tea punch card and C for the punches on the coffee punch card.

Solving by substitution. Set T=C, then

$\begin{gathered} T=C \\ \Rightarrow2+7x=11+4x \\ \Rightarrow3x=9 \\ \Rightarrow x=\frac{9}{3}=3 \\ \Rightarrow x=3 \end{gathered}$

Thus, substitute the value of x=3 into the first equation,

$\begin{gathered} x=3 \\ \Rightarrow T=2+7\cdot3=23 \\ \Rightarrow T=23 \end{gathered}$

Thus, after 3 weeks, Josiah will have the same number of punches on each card, and he will have 23 punches on each card.

6 0

1 year ago

What is the distance between 2 and -5.3?

ad-work [718]

Answer:

7.3

Step-by-step explanation:

Two minuses, one minus inside a bracket and one outside, make a plus.

2-(-5.3) = 2+5.3

= 7.3

5 0

3 years ago