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3 years ago

Find the slope of each line.

Mathematics

1 answer:

vivado [14]3 years ago

4 0

Answer:

A is 1:2 B is 3:1 C is 2:3

Step-by-step explanation:

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1+4=5 2+5=12 3+6=21 5+8= ?

Lady bird [3.3K]

Answer:

Step-by-step explanation:

(1×4)+1=5

(2×5)+2=12

(3×6)+3=21

(5×8)+5=45

right?

7 0

3 years ago

Deb has a board that measures 5 feet in length how many 1/4 Foot long pieces can deb cut from the board.

uranmaximum [27]

Deb can cut 20 pieces from the board

3 0

3 years ago

The volume of a spherical sculpture is 256 ft³. Rhianna wants to estimate the surface area of the sculpture. To do the estimate,

Brrunno [24]

Answer:

192 $ft^2$

Step-by-step explanation:

Given that

Volume of spherical sculpture = 256 ft³

$\pi$ is used as 3.

To find:

Surface area of sculpture = ?

Solution:

First of all, let us learn about the formula for Volume and Surface Area of Sphere:

1. $Volume =\frac{4}{3}\pi r^3$

2. $Surface\ Area = 4\pi r^2$

Given volume is 256 ft³.

$256 = \dfrac{4}{3}\pi r^3\\\Rightarrow 256 = \dfrac{4}{3}\times 3 r^3\\\Rightarrow 256 = 4 r^3\\\Rightarrow r^3=64\\\Rightarrow \bold{r = 4\ ft}$

Now, let us put r = 4 in the formula of Surface Area to find the value of Surface Area:

$Surface\ Area = 4\pi 4^2 = 4 \times 3 \times 16 = \bold{192\ ft^2}$

So, approximate surface area of sculpture is 192 $ft^2$ .

3 0

3 years ago

If two numbers represented 2m+1 and 2m+5 have a sum of 74 find m

laila [671]

(2m + 1) + (2m + 5) = 74

4m + 6 = 74

4m = 74 - 6

4m = 68

m = 17

8 0

4 years ago

Please help me!<br><br> Solve for x : show your steps!<br><br> 2(x +8) = 4(x+2)

Tju [1.3M]

Answer:

Step-by-step explanation:

First, use the distributive property: 2x+16=4x+8

Second, move +8 to the other side(and turn it negative): 2x+8= 4x

Do the same for +2x: 8=2x

divide both sides by 2: 4=x

8 0

3 years ago