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4 years ago

Y=x+3 Complete the table for the given rule

Mathematics

1 answer:

worty [1.4K]4 years ago

3 0

Answer:

successively just watch him adding one

Step-by-step explanation:

y=1+3 y=2+3

y=4 y=5

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The circumference of a circle is 15n cm what is the area of the circle in terms of n

Mice21 [21]

Answer:

Area of circle is $\dfrac{225n^{2}}{4\pi} cm^{2}$

Step-by-step explanation:

Formula for circumference of circle is given as,

$C=2\pi r$

Given that C = 15 n cm,

Substituting the value,

$15n=2\pi r$

Solving above equation for r, divide both side by $2\pi$

$\dfrac{15n}{2\pi}=\dfrac{2\pi r}{2\pi}$

Simplifying,

$\dfrac{15n}{2\pi}=r$

Formula for area of circle is given as,

$A=\pi r^{2}$

Substituting the value of r,

$A=\pi \left(\dfrac{15n}{2\pi}\right)^{2}$

Squaring the parenthesis,

$A=\pi \left(\dfrac{225n^{2}}{4\pi^{2}}\right)$

Cancelling out the common term,

$A=\dfrac{225n^{2}}{4\pi}$

Therefore, area of circle in terms of n is $A=\dfrac{225n^{2}}{4\pi} cm^{2}$

5 0

4 years ago

Which of the following is the correct graph of the solution to the inequality-18>-5x+2>-48

makvit [3.9K]

Answer:

Step-by-step explanation:

we have

$18 > -5x+2 > -48$

This is a compound inequality

Remember that

A compound inequality i can divide in a system of two inequalities

$18 > -5x+2$ -----> inequality A

$-5x+2 > -48$ ---> inequality B

step 1

Solve the inequality A

$18 > -5x+2$

Multiply by -1 both sides

$-18< 5x-2$

$-18+2< 5x$

$-16< 5x$

Divide by 5 both sides

$-3.2< x$

Rewrite

$x > -3.2$

The solution of the inequality A is the interval ----> (-3.2,∞)

step 2

Solve the inequality B

$-5x+2 > -48$

Multiply by -1 both sides

$5x-2 < 48$

$5x < 48+2$

$5x < 50$

Divide by 5 both sides

$x < 10$

The solution of the inequality B is the interval ----> (-∞, 10)

step 3

Find the solution of the compound inequality

(-3.2,∞) ∩ (-∞, 10)=(-3.2,10)

All real numbers greater than -3.2 and less than 10

The graph in the attached figure

7 0

3 years ago

A rectangle garden is divided into 10 equal parts. Draw a picture that shows 3/10+3/10 = 6/10 or 3/5

nlexa [21]

It will be 6/10 becausebif u leave the denominator ofn10 becausenthey ar the same then u add 3+3 which equals 6 wo the answer is 6/10

5 0

3 years ago

in a sample of people on the school board 2 out of 5 are in favor of New high school being built at 3500 people vote in the next

MrRa [10]

Answer:

2100 people

Step-by-step explanation

3500 divided by 5=700

700 x 3= 2100

7 0

3 years ago

Solve for x:*<br><br> 8 – 2(3x + 5) = 0

IRINA_888 [86]

8-2(3x+5)=0
8(-6x-10)=0
-48x-80=0
-48x=80
x= -8/5 or -1.6

4 0

3 years ago