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4 years ago

Easy pointsss, ill give you double

Mathematics

2 answers:

charle [14.2K]4 years ago

7 0

Answer: 6 13/36 (B)

You add it by breaking wholes into parts.

Katena32 [7]4 years ago

6 0

Answer:

$3\frac{7}{12}+2\frac{7}{9}=6\frac{13}{36}$

B. $6\frac{13}{36}$

Step-by-step explanation:

$\mathrm{Add\:whole\:numbers}\:3+2:\quad 5\\\mathrm{Combine\:fractions}\:\frac{7}{12}+\frac{7}{9}:\quad \frac{49}{36}\\\mathrm{Convert\:improper\:fractions\:to\:mixed\:numbers}:\quad \frac{49}{36}=1\frac{13}{36}\\=5+1\frac{13}{36}\\=6\frac{13}{36}$

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I need help on this question

barxatty [35]

I believe this is pythag

15^2 x 11^2 = 27225

(square root) of 27225 = 165

165ft

6 0

3 years ago

What is 2/5% of 820? 1.8 2.05 2.88 3.28

Margarita [4]

Answer:

D) 3.28

Step-by-step explanation:

820/x=100/2.5

(820/x)*x=(100/2.5)*x - we multiply both sides of the equation by x

820=40*x - we divide both sides of the equation by (40) to get x

820/40=x

20.5=x

x=20.5

now we have:

2.5% of 820=20.5

6 0

3 years ago

If EFH = (5x + 1)°, HFG = 62°, and EFG = (18x + 11)°, find EFH

olga55 [171]

Given:

Consider the below figure attached with this question.

∠EFH = (5x + 1)°, ∠HFG = 62°, and ∠EFG = (18x + 11)°

To find:

The measure of ∠EFH.

Solution:

From the figure it is clear that ∠EFG is divide in two parts ∠EFH and ∠HFG. So,

$\angle EFG=\angle EFH+\angle HFG$

$18x+11=(5x+1)+(62)$

$18x+11=5x+63$

Isolate variable terms.

$18x-5x=63-11$

$13x=52$

Divide both sides by 13.

$x=\dfrac{52}{13}$

$x=4$

The value of x is 4.

$\angle EFH=(5x+1)^\circ$

$\angle EFH=(5(4)+1)^\circ$

$\angle EFH=(20+1)^\circ$

$\angle EFH=21^\circ$

Therefore, the measure of ∠EFH is 21°.

8 0

3 years ago

I don’t get this one please HELPPP MEE

iren2701 [21]

Answer:

135

Step-by-step explanation:

The given expression is

$\frac{2 {x}^{2} }{x} +x(100 - 15x)$

From the question, x=5

So,by substitution,we obtain

$=\frac{2({5}^{2})}{5} +5(100 - 15(5))$

$=\frac{2(25)}{5} +5(100 - 75))$

$=2(5)+5(25)$

$= 10+125$

$= 135$

Hence the answer is 135

8 0

3 years ago

A regular 18-sided polygon is rotated with the center of rotation at its center. What is the smallest degree of rotation needed

dem82 [27]

It will be easier to explain how to solve this question in a square. If you rotate 4-sided square from the centre, you need to rotate it 90 degrees. The formula for this would be: 360 ° /the side count. In a square, it would be 360° /4= 90°.

In 18-sided polygon, the calculation would be: 360°/ 18 side= 20°

4 0

3 years ago

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