MATHEMATICS MIDDLE SCHOOL

#3 Find the value of x (1 pt) *

Answers

Answer 1

Answer:

Answer:

17.71359378 = x

Step-by-step explanation:

cos theta = adj/ hyp where adj means adjacent side and hyp means hypotenuse

cos 49 = x /27

Multiply each side by 27

27 cos 49 = x

17.71359378 = x

Answer 2

Answer: I think it 41 because that’s a right angle triangle which is 90 degrees minus the 49 degrees I think .

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Do 2 planes intersect at a point all the time?

Answers

No, they can just not intersect, like if you had two pieces of paper, think of them as planes, one can be above the other, aka parallel, so they never intersect.
planes can also intersect as lines.
by the way, i assume the question is about how 2 planes can intersect.

Surface area of a square is 136 square inches. the base length is 4 inches. what is the slant height

Answers

H = 16 is the answer I think

I used the height formula =

What is a unit of volume with demensions 1 unit×1unit×1unit

Answers

1×1×1 = 1
unit×unit×unit = units^3

1 unit × 1 unit × 1 unit = 1 unit^3

V=Length*Height*Depth
Length=1 unit
Height=1 unit
Depth=1 unit
V= (1 unit)*(1 unit)*(1 unit)=1 unit³
So: 1*1*1=1
So it is 1 unit squared.

What is 76.78 rounded to the nearest whole number?

Answers

Lets look at the number. 76.78. In each of the different place holders the number is higher than 5. Lets do some examples. 74 rounded to the nearest whole number is going to be 70. 76 rounded to the whole number will be 80. The .78 in your question also contributes.

Answer: 80

When rounding to the "nearest whole number" you will need to either round up or down.
If its within 1 2 3 or 4 you round down, so if our number was 73, the nearest whole number would be 70.
Our question here consist of 76.78.
Well just by looking at the first part of the number, 76, we already know that we are rounding up. so in doing this, I was able to get 80 because when 5 6 7 8 or 9 you round up.

**PLEASE HELP ME ASAP**1. Akira earns $8 each day she cares for her neighbor's dog. Write an equation to represent the relationship between the amount of money Akira earns, m, and the number of days, d, that she cares for the dog. How much will Akira earn if she cares for the dog for 5 days?
2. Hugo rides his bike at an average rate of 15 mph. Write an equation to represent the relationship between the distance, d, that Hugo rides and the number of hours, h, that he rides. How far will Hugo ride if he rides his bike for 3 hours?
3. Every time Luke puts a dime into the parking meter, he gets 10 minutes of parking time. The equation p = 10d represents the time, p, he can park after he puts d dimes into the meter. Analyze the variables. If he puts 5 dimes into the meter, can Luke park for more than or for less than 1 hour?

Answers

1) m=8d $40
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At 8:00am 16 children were at daycare. By 3.00pm, 12 of these children were no longer at the daycare. Which integer best represents the change in the number of children?

Answers

the best integer that represents the change in number of children is 16:12

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