MATHEMATICS MIDDLE SCHOOL

Can anybody help me that smarter than me

Answers

Answer 1

Answer:

Answer:

Question 5: y = 6.69 ft

Question 6: z = 12.52 in

Step-by-step explanation:

Question 5

In the right triangle shown, with respect to the angle given, y is the side that is "opposite" and the known side (15) is the "hypotenuse".

Note: The side opposite of right angle is the hypotenuse

Which trigonometric ratio relates "opposite" and "hypotenuse"? It is "SINE".

Let's setup the ratio and solve for y:

$Sin(26.5)=(y)/(15)\ny=15*Sin(26.5)\ny=6.69$

So,

y = 6.69 feet

Question 6

With relation to the angle given, we have the "adjacent" side and the "hypotenuse".

Which trigonometric ratio relates "adjacent" with "hypotenuse"?

It is COSINE!

We can set up a ratio as the previous question and solve for z:

$Cos(37)=(10)/(z)\nz=(10)/(Cos(37))\nz=12.52$

So,

z = 12.52 inches

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1.) Simplify. 4x + 5y + 9x – 3y

the length of a rectangular building is 6 feet less than 3 times t he width. The perimeter is 120 feet. Find the width and the length of the building.

Answers

Call the width x. Note that the length is 3x-6. We know that double the width plus double the length is 120, so we write an equation:

$2(x)+2(3x-6)=120$
$2x+6x-12=120$
$8x-12=120$
$8x=132$
$x=16.5$
If x is 16.5, the width is 16.5, and the length is $3 \cdot 16.5 - 6 = 43.5$ .

6x7=(6x5)+(6x2). Of which multiplication property?

Answers

this is factor property but turn around

Answer:

distributive property

Step-by-step explanation:

20 weeks : 14 Days in simplest form?

Can you explain as well??

Answers

14 days = 2 weeks

20weeks : 14 days = 20 weeks : 2 weeks = 20 weeks / 2 weeks = 10:1

hope it helps!

EASY QUESTION. What is biomass?
Organic matter that can be used as a fuel source
Natural resource that takes more than a lifetime to replenish
Alternative energy forms like solar energy and wind power that can be recycled
Renewable energy captured through using the heat of the Earth

Answers

Biomass is plant or animal material used for energy production (electricity or heat), or in various industrial processes as raw substance for a range of products

Answer:

A) Organic matter that can be used as a fuel source

1.228193 rounded to the nearest hundred thousandths place

Answers

The rounding number of 1.228193 rounded to the nearest hundred thousandths place will be;

⇒ 1.228190

What is rounding off?

Rounding numbers refers to changing a number's digits such that it approximates a value. The provided number is more simply represented by this value. For example, 700,000 rather than 698,869 could be used to express a town's population.

Given that;

The number is,

⇒ 1.228193

Now,

For rounded the number nearest hundred thousandths place we see the number on the place of ten thousandths place, and if the number is more than or equal to 5 then we add 1 on the ten thousandths place number and if the number is less than 5 then we cannot do anything in ten thousandths place.

Here, On the number;

The number on hundred thousandths place = 3 < 5

So, The rounding number of 2,617 rounded to the nearest hundred thousandths place will be;

⇒ 1.228190

Thus, The rounding number of 2,617 rounded to the nearest hundred thousandths place will be;

⇒ 1.228190

Learn more about the rounding number visit:

brainly.com/question/1582028

#SPJ3

Answer:1.22819

Step-by-step explanation:

since 9 is in the hundred thousandths place, check the number to the right which is 3. Because 3 is below 5 we do not round up, leaving the answer to be 9. So the answer is 1.22819.

Marta's jump rope is 10 inches shorter than three times the length of dilbert's rope. if both of their ropes laid together end-to-end measure 120 inches long, how long is Marta's jump rope

Answers

Answer:

x = 75

Marta's jump rope is 75 inches long

Step-by-step explanation:

Hello!! This is how you solve it:

x + ( x - 10 x 3 ) = 120

2x - 10 x 3 = 120

2x - 30 = 120

+ 30. + 30

2x = 150

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2. 2

x = 75