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3 years ago

Pls answer for my hw thanks

Mathematics

1 answer:

allsm [11]3 years ago

7 0

Answer:

27.86 cm

Step-by-step explanation:

use a^2+b^2=c^2

plug in 10 to a and 26 to b

10^2+26^2=c^2

then simplify

100+676=c^2

776=c^2

then find the square root of 776 which is 27.856... cm

this can be simplified to 27.86 cm

change it to 28 cm if your teacher wants it rounded to the whole number

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9.18

Step-by-step explanation:

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3 years ago

The smallest square number which can be divisible by 11 and 5

Elena L [17]

Answer:

3025

Step-by-step explanation:

let's look at it in this concept.

For a number to be divisible by 11 and 5. it must be a multiple of the LCM of 11 and 5.

LCM of 11 and 5=55

therefore the number is 55x, where x is a positive integer.

it is a said that the number is a perfect square

therefore the square root of 55x must be an integer.

$\sqrt{55x} = \sqrt{5 \times 11 \times x}$

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3 years ago

Solve this equation -3x+1+10x=x+4

Salsk061 [2.6K]

Answer: $x=\frac{1}{2}$

Explanation:

We have been given with the equation -3x+1+10x=x+4

We will collect the terms that are written in variable of x in one side and the constant values on the other side we will get

-3x+10x-x=4-1

After simplification we will get 6x=3

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When x from right hand side shift will shift to left hand side it will change its sign and similarly when 1 from left hand side shift to right hand side change its sign.

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3 0

3 years ago

Read 2 more answers

Vector u has its initial point at (-7,2) and it's terminal point at (11,-5). Vector v has a direction opposite that of vector u,

PSYCHO15rus [73]

Answer:

$3\vec{v} = ( - 21,54)$

Step-by-step explanation:

$\vec{u} = (18,- 7)\Rightarrow \vec{v} = ( - 7,18) \Rightarrow 3\vec{v} = ( - 21,54)$

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3 years ago

Ans: 720cm

UkoKoshka [18]

Answer:

663

Step-by-step explanation:

the total number of students can be determined using this equation :

(total ratio of Chinese and Indian students / total ratio of students) x n = 468

total ratio of Chinese and Indian students = 4 + 8 = 12

total ratio of students 4 + 8 + 5 = 17

N = TOTAL NUMBER OF STUDENTS

12/17) x n = 468

multiply both sides of the equation by 17/12

n = 663

3 0

3 years ago