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4 years ago

HEELP COLLEGE ALGEBRA!

Mathematics

1 answer:

AnnZ [28]4 years ago

6 0

Answer:

The answer to your question is:

5) slope = 0

6) slope = 0.7

7) slope = 0.04

8) slope = 21.7

Step-by-step explanation:

Slope is the tangent of the angle form between a line and the x-axis.

15)

there is no slope, then m = 0

16)

Here we have the legs of a right triangle so we can find the tangent

tangent = opposite leg / adjacent leg

tangent = 70 / 100 = 0.7

17)

Also here, we can imagine a right triangle

tangent = 15 / 384 = 0.04

18) Also here we have a right triangle

tangent = 13000 / 600 = 21.7

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The surface area of the square pyramid is 16 square inches. Find the value of x.

cluponka [151]

Answer:

x=6 2/5

Step-by-step explanation:

I don't know how to explain other than doing the math of (x*5)/2=16

3 0

3 years ago

Read 2 more answers

Which expressions are completely factored? Select each correct answer. 18y^3−6y=3y(6y^2−2) 32y^10−24=8(4y^10−3) 20y^7+10y^2=5y(4

Vladimir79 [104]

Answer:

The expressions that completely factored are:

$32y^{10}-24$ = 8( $y^{10}-3$ ) ⇒ 2nd

$16y^{5}+12y^{3}=4y^{3}(4y^{2}+3)$ ⇒ 4th

Step-by-step explanation:

Complete factorization means the terms in the bracket has no common factor

∵ The expression is 18y³ - 6y

- Find the greatest common factor of the numbers and the variable

∵ The greatest common factor of 18 and 6 is 6

∵ The greatest common factor of y³ and y is y

∴ The greatest common factor is 6y

- Divide each term by 6y to find the terms in the bracket

∴ 18y³ - 6y = 6y(3y² - 1) ⇒ not the same with the answer

∵ The expression is $32y^{10}-24$

∵ The greatest common factor of 32 and 24 is 8

∴ The greatest common factor is 8

- Divide each term by 8 to find the terms in the bracket

∴ $32y^{10}-24$ = 8( $y^{10}-3$ ) ⇒ the same with the answer

∴ The expression $32y^{10}-24$ = 8( $y^{10}-3$ ) is completely factored

∵ The expression is $20y^{7}+10y^{2}$

∵ The greatest common factor of 20 and 10 is 10

∵ The greatest common factor of $y^{7}$ and y² is y²

∴ The greatest common factor is 10y²

- Divide each term by 10y² to find the terms in the bracket

∴ $20y^{7}+10y^{2}=10y^{2}(2y^{5}+1)$ ⇒ not the same with the answer

∵ The expression is $16y^{5}+12y^{3}$

∵ The greatest common factor of 16 and 12 is 4

∵ The greatest common factor of $y^{5}$ and y³ is y³

∴ The greatest common factor is 4y³

- Divide each term by 4y³ to find the terms in the bracket

∴ $16y^{5}+12y^{3}=4y^{3}(4y^{2}+3)$ ⇒ the same with the answer

∴ The expression $16y^{5}+12y^{3}=4y^{3}(4y^{2}+3)$ is completely factored

The expressions that completely factored are:

$32y^{10}-24$ = 8( $y^{10}-3$ )

$16y^{5}+12y^{3}=4y^{3}(4y^{2}+3)$

3 0

3 years ago

Is 3 a factor of 14t-20?<br><br> Yes<br><br> No

Sindrei [870]

Answer:

Step-by-step explanation:

I dont really know

8 0

3 years ago

Read 2 more answers

In the number 12.345, the 3 is in the ________ place.

Kamila [148]

Answer:

The value of 3 is in the tenths place.

Step-by-step explanation:

Given : Number 12.345.

To find : In the number 12.345, the 3 is in the what place ?

Solution :

According to place value system,

Tens Ones Tenths Hundredths Thousandths

1 2 3 4 5

The value are $12.345=1\times 10+2\times 1+3\times 0.1+4\times 0.01+5\times 0.001$

Therefore, The value of 3 is in the tenths place.

8 0

3 years ago

saul85 [17]

Angle I. Because it’s second in the order just like X. They are congruent

8 0

3 years ago