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3 years ago

Can someone please help me :(((((((

Mathematics

2 answers:

Vinvika [58]3 years ago

3 0

Answer:

Step-by-step explanation:

Marina CMI [18]3 years ago

3 0

Answer:

C) 3

Step-by-step explanation:

combine like terms

=> $x^{2+3}$ × $y^{2+?}$ = $x^{5}y^{5}$

=> $x^{5} y^{2+?}$ = $x^{5}y^{5}$

divide $x^{5}$ on both side to eliminate x

=> $y^{2+?}$ = $y^{5}$

=> $y^{2+3}$ = $y^{5}$

=> $y^{5}$ = $y^{5}$

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Which pair of ratios form a proportion?

leva [86]

Answer:

D: 5 : 8 and 20 : 32

Step-by-step explanation:

A is incorrect because 3 x 1.33 = 4 and 4 x 1.25 = 5.

B is incorrect because 10 x 1.6 = 16 and 12 x 1.5 = 18.

C is incorrect because 7 x 1.428 = 10 and 10 x 1.4 = 14.

D is correct because 5 x 4 = 20 and 8 x 4 = 32.

another way of solving the ratio answers is by putting them in a fraction 5/8 = .625 and also does 20/32 = .625.....

Easy right!?

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4 0

3 years ago

Read 2 more answers

If AB= 4 units and DC=4 units , what is the length of BC

Degger [83]

Answer:

4 units i think

Step-by-step explanation:

i dont know how beacuse 4 is answer

4 0

3 years ago

4. (10 points) From the given triangle:

katrin2010 [14]

Answer:

sinθ = y/r sinθ = $\frac{-6}{10} = \frac{-3}{5}$

cosθ = x/r cosθ = $\frac{8}{10} = \frac{4}{5}$

tanθ = y/x tanθ = $\frac{-6}{8} =\frac{-3}{4}$

cscθ = r/y cscθ = $\frac{-5}{3}$

secθ = r/x secθ = $\frac{5}{4}$

cotθ = x/y cotθ = $\frac{4}{3}$

explanation:

r = $\sqrt{(8)^{2}+(-6)^{2} }$

r = 10

x = 8

y = -6

r = $\sqrt{(4)^{2}+(3)^{2} }$

r = 5

x = 4

y = 3

7 0

3 years ago

What is the greatest integer n that satisfies 100^2 - n^2 = n^2 - 100^2

Anika [276]

Answer:

n = 100, -100

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Jillian worked her 40 regular hours last week, plus 2 overtime hours at a time-and-a-half rate. Her gross pay was $516. What was

Effectus [21]

Its hourly rate of Jillian is 12 hours.

Here we have to find the hourly rate.

Let h be the hourly rate. As it is given that overtime is a time and a half rate.

So the overtime hour is 1.5h.

The total amount Jillian get is $516.

So from this, we get an equation:

40h + 2(1.5h) = 516

40h + 3h = 516

43h = 516

h = 12

Therefore we get the hourly rate as 12.

To know more about the equation refer to the link given below:

brainly.com/question/14107099

#SPJ4

7 0

1 year ago