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Andrew [12]
3 years ago
13

Help needed ASAP!!!

Mathematics
2 answers:
horrorfan [7]3 years ago
7 0

Answer:

Angle b = 30 degrees

Step-by-step explanation:

3x = 90.

X= 30

Angle b = 30 degrees

snow_tiger [21]3 years ago
4 0

Answer:

45

Step-by-step explanation:

because in total it's a 90-degree agle half of 90 is 45.

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Write one number that is a factor 13.
andreyandreev [35.5K]

Answer:

1

Step-by-step explanation:

This is because 13 is a primary number

3 0
3 years ago
The diagram shows a rectangle. The area of the rectangle is 310 m². Work out the value of w when 5x-9 is the length and 3x+7 is
Simora [160]

Answer:

w = 10

Step-by-step explanation:

First we take the two values for the breadth of the rectangle

So:

5x - 9 = 3x + 7

now we solve this equation as follows:

5x - 3x = 9 + 7

2x = 16

x = 8

now that we have found the value for x, we can substitute it in the equation, 5x - 9,or in the equation, 3x + 7.

when we substitute x in any of these equations, we get

5(8) - 9 = 31

3(8) + 7 = 31

now that we have the value for the breadth we can form the following equation:

31 × w = 310

31w = 310

w = 310/31 = 10

3 0
2 years ago
Read 2 more answers
3×5 to was to solve this problem
Nataly [62]
3 x 5 is 15 multitply 

Hope this helps!
4 0
3 years ago
Read 2 more answers
What is the equation of this circle in standard form?
viktelen [127]
I hope this helps you

4 0
3 years ago
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For the function f(x)=5x^3-6, find f^-1
max2010maxim [7]

Answer:

f^{-1} means the inverse function

f^{-1} = \sqrt[3]{(x + 6)/5}

Step-by-step explanation:

f^{-1} means the inverse function

to find an inverse function, flip the x and y variables and solve for y

f(x) = 5x^3 - 6

y = 5x^3 - 6

x = 5y^3 - 6

x + 6 = 5y^3

(x + 6)/5 = y^3

\sqrt[3]{(x + 6)/5} = y

5 0
3 years ago
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