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kvasek [131]
3 years ago
6

Question below please!

Mathematics
1 answer:
aliina [53]3 years ago
7 0

Answer:

b = √45

Step-by-step explanation:

From the figure we  get, There are two right angled triangle.

In large triangle 'b' is the base, height = 6 and hypotenuse = 9

<u>To find the value of  b</u>

Hypotenuse² = Base² + Height²

Here,

9² = b² + 6²

b² = 9² - 6² = 81 - 36 = 45

Therefore, b = √45


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dooky

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boiiiii dwivwejrfiuejbjfd

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slamgirl [31]

Answer:

C.

Step-by-step explanation:

❌Option A is incorrect

Rationale: from the graph, 1 hr on the x-axis doesn't correspond to $100 on the y-axis

❌Option B is incorrect

Rationale: from the graph, 2 hrs on the x-axis doesn't correspond to $200 on the y-axis. It can't also be the unit rate because unit rate would be the amount of dollars per 1 hr.

✅Option C is CORRECT

Rationale: from the graph, 8 hrs on the x-axis corresponds to $500 on the y-axis

❌Option D is incorrect

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3 years ago
MS. Winkler surveyed her students in just one class with 30 students to see how many siblings each of them had. Here are the res
makvit [3.9K]
the correct answer is b
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4 years ago
Complete the table below for the function y = -3x+7
KiRa [710]

Answer:

(x,y)--> (2,1), (4, -5), (7, -14), (9, -20), (11, -26)

Step-by-step explanation:

y = -3x + 7

substituting x-values in y= -3x + 7

x = 2

y= -3 × 2 + 7

= -6 + 7

= 1

x=4

y= -3 × 4 + 7

= -12 + 7

= -5

x=7

y= -3 × 7 + 7

= -21 + 7

= -14

x=9

y= -3 × 9 + 7

= -27 + 7

= -20

x=11

y= -3 × 11 + 7

= -33 + 7

= -26

6 0
3 years ago
Add the following polynomial of x3+3xy-2×y2+y3,2×3-5x2y-3xy2-2y3<br>​
ANTONII [103]

The addition of the polynomial x^{3}+3xy-2xy^{2} +y^{3} with 2x^{3}-5x^{2} y-3xy^{2}-2y^{3} is  3x^{3}+3xy-5x^{2} y-5xy^{2}-y^{3}.

What is a polynomial?

⇒ A polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables.

⇒ In the addition of polynomials, the like terms are added while in subtraction, the like terms are subtracted.

Calculation;

We have been given two polynomial which we have to add   x^{3}+3xy-2xy^{2} +y^{3} and 2x^{3}-5x^{2} y-3xy^{2}-2y^{3}

The sign after addition or subtraction will always be of the variable having more value.

(x^{3}+3xy-2xy^{2} +y^{3} )+(2x^{3}-5x^{2} y-3xy^{2}-2y^{3})

On adding like terms with each other

⇒ (x^{3} +2x^{3})+ 3xy-5x^{2} y-(2xy^{2}+3xy^{2})+(y^{3}-2x^{3})

⇒ 3x^{3}+3xy-5x^{2} y-5xy^{2}-y^{3}

Hence the addition of the polynomialx^{3}+3xy-2xy^{2} +y^{3} and 2x^{3}-5x^{2} y-3xy^{2}-2y^{3} is 3x^{3}+3xy-5x^{2} y-5xy^{2}-y^{3}.

Learn more about polynomial here :

brainly.com/question/1487158

#SPJ9

5 0
1 year ago
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