Half of a number is equal to 8 more than the number.

Answers

Answer 1

Answer: Set the number as x. So,
.5x=x+8
Put all of the x's on one side of the equation.
.5x=-8
Divide by .5 on each side,
x=-16
Hope this helps.

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Find the solution to the system of 5x+2y=-24 x-y=5

Find the are of a triangle (picture provided)

Answers

Answer:

Step-by-step explanation:

Use the Heron's formula for the area of the triangle:

$A=√(p(p-a)(p-b)(p-c)),$

where a, b, c are lengths of triangle's sides and $p=(a+b+c)/(2).$

Since $a=11.5,\ b=13.7,\ c=12.2,$ then

$p=(11.5+13.7+12.2)/(2)=18.7.$

Hence,

$A=√(18.7(18.7-11.5)(18.7-13.7)(18.7-12.2))=√(18.7\cdot 7.2\cdot 5\cdot 6.5)=\n \n=√(11\cdot 1.7\cdot 9\cdot 4\cdot 0.2\cdot 5\cdot 5\cdot 1.3)=30√(11\cdot 1.7\cdot 0.2\cdot 1.3)=30√(4.862)\approx 66.1\ un^2.$

Answer:

Choice b is correct.

Step-by-step explanation:

We have given the sides of triangle.

a = 11.5, b = 13.7 and c = 12.2

We have to find the area of the triangle.

The formula to find the area of the triangle when three sides are given is:

A = √p(p-a)(p-b)(p-c)

where p = (a+b+c) / 2

p = (11.5+13.5+12.2)/2

p = 18.7

A = √18.7(18.7-11.5)(18.7-13,7)(18.5-12.2)

A = 30√4.862 units²

A≈ 66.1 units²

5/6 x 2 2/5 = ??? i'm confused...

Answers

Answer:

Step-by-step explanation:

Answer: (5 / 6) * 2 2/5 = 2

Step-by-step explanation:

Please help it's emergency

Answers

2050=.34x-623.67
2673.67=.34x
x=2673.67/.34
x= 7863.74
x~ 7864

Daily snowfall in Omaha in January
Mode, median or mean?

Answers

Answer:

mean but im guessing as well

Step-by-step explanation:

You can find the __________ parts of two congruent triangles by aligning them perfectly on top of each other.A. complementary
B. similar
C. corresponding
D. supplementary

Answers

Answer:

You can find the CORRESPONDING parts of two congruent triangles by aligning them perfectly on top of each other.

Step-by-step explanation:

We know that when two congruent triangles are placed over each other then the congruent sides corresponding to both the triangles also align on each other.

Since, when two triangles are congruent then all corresponding angles and sides of the two triangles are also congruent.

Hence, the answer is:

Option: C

C. corresponding

You can find the C. corresponding parts of two congruent triangles by aligning them perfectly on top of each other.

How is this true for triangles ?

Corresponding parts of two congruenttriangles are the parts that have the same relative position. For example, the corresponding parts of triangle ABC and triangle DEF are AB and DE , ∠A and ∠D, and ∠B and ∠E.

If two triangles are congruent, then their corresponding parts are congruent. This means that if we align two congruent triangles perfectly on top of each other, then the corresponding parts will coincide.

In conclusion, option C is correct.

Find out more on corresponding parts at brainly.com/question/29592419

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A party hat has a volume of 75 cubic inches . If the radius is 5 inches , what is the height of the party hat?

Answers

The height of the party hat is 2.63 inches.

Given that,

A party hat has a volume of 75 cubic inches.

If the radius is 5 inches,

We have to determine,

What is the height of the party hat?

According to the question,

A party hat has a volume of 75 cubic inches.

If the radius is 5 inches,

The volume of the cone is determined by the formula,

$\rm v = \pi r^2(h)/(3)$

Then,

The height of the party hat is,

$\rm v = \pi r^2(h)/(3)\n\n75 = \pi* (5)^2 * (h)/(3)\n\n75 = 25 * (22)/(7) * (h)/(3)\n\n75 = 25 * 1.14 * h\n\n75 = 28.5 * h\n\nh = (75)/(28.5)\n\nh =2.63$