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3 years ago

How big is a acute obtuse and right angles degrees

Mathematics

2 answers:

Lynna [10]3 years ago

7 0

Right angles are 90 degrees
acute angles are less than 90 degrees
obtuse angles are greater than 90 but less than 180

Tanya [424]3 years ago

7 0

An acute angle is less than 90 but more than zero typically 54 degrees
an obtuse angle is more than 90 but less than 180 typically 112 degrees
a right angle is 90 degrees

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A school is taking 388 students on a field trip to the zoo, and they can rent buses that hold 30 students for $895 each or vans

RSB [31]

It would take 13 buses to get everyone to the zoo

It would take 26 vans to get everyone to the zoo

It would be cheaper to rent buses

Step-by-step explanation:

The given is:

A school is taking 388 students on a field trip to the zoo
They can rent buses that hold 30 students for $895 each
They can rent vans that hold 15 students for $450 each

We need to find how many buses it would take to get everyone to the zoo, how many vans it would take to get everyone to the zoo, and would it be cheaper to rent

∵ The number of students is 388

∵ Each bus can hold 30 students

- Divide the number of students by 30 to find the number of buses

∴ The number of buses = 388 ÷ 30 = 12.92

- They must to rent 13 bus to hold all the students

∴ The number of buses is 13

It would take 13 buses to get everyone to the zoo

∵ The number of students is 388

∵ Each van can hold 15 students

- Divide the number of students by 15 to find the number of vans

∴ The number of vans = 388 ÷ 15 = 25.87

- They must to rent 26 vans to hold all the students

∴ The number of vans is 26

It would take 26 vans to get everyone to the zoo

Let us find the cost of rent of the buses and vans to find which of them is cheaper

∵ The cost of rent of each bus = $895

∵ The number of buses = 13

∴ The cost of rent the buses = 13 × 895 = $11635

∵ The cost of rent of each van = $450

∵ The number of vans = 26

∴ The cost of rent the buses = 26 × 450 = $11700

∵ $11635 < $11700

∴ The cost of rent the buses < the cost of rent the vans

∴ The buses is cheaper than the vans

It would be cheaper to rent buses

Learn more:

You can learn more about the word problems in brainly.com/question/788903

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4 0

3 years ago

Can someone please help me with this?

storchak [24]

Answer:

y = x

Step-by-step explanation:

i took two points which are very close to the trend line - (3,3) and (5,5) - to get the slope

the slope is 2/2 or 1 and the y-intercept is zero

this means the trend line is 'y = x'

3 0

3 years ago

Help please help me please

STatiana [176]

(x , y → (x - 5, y - 3)

the coordinates of S(1 , 5),T(1,1), U(4, 1)

the coordinates of the image are S'( - 4, 2), T'( - 4, - 2), U'( - 1 , - 2)

consider the difference in the x- coordinates of the original to the image

1 → - 4 = - 5, 1 → - 4 = - 5, 4 → - 1 = - 5

so the x- coordinate rule is x - 5

now consider the difference in the y- coordinates of the original to the image.

5 → 2 = - 3, 1 → - 2 = - 3, 1 → - 2 = -3

so the y- coordinate rule is y - 3

hence (x, y) → (x - 5, y - 3)

6 0

4 years ago

Có ai biết làm toán cao cấp 2 phần đại học ko , help me:((

Viefleur [7K]

Answer: Sorry i only speak english

Step-by-step explanation:

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3 years ago

-9 + 8.3 (adding rational numbers) ! show how u get the answer !

Rainbow [258]

Answer:

-0.7

Step-by-step explanation:

● -9 + 8.3

Notice that 8.3 = 8 + 0.3

● -9 + (8 + 0.3)

● -9 + 8 + 0.3

-9 + 8 is -1

● (-9 + 8) + 0.3

● -1 + 0.3

-1 is (-0.3 -0.7)

● -0.3 - 0.7 +0.3

● -0.7

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3 years ago