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slamgirl [31]
2 years ago
13

I’ll mark brainliest

Mathematics
1 answer:
IrinaK [193]2 years ago
5 0

Answer:

7, 65°

Step-by-step explanation:

(18b-11)+(9b+2)=180°

27b-9=180°

27b=189

b=7

9b+2

9×7+2

63+2

65

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F(x) = -3/4 x + 8<br> I need help with this
mrs_skeptik [129]
Umm maybe try:

f^-1 (x) = -4x/3 + 32/3

let me know if that’s right
3 0
2 years ago
What is 8.235 x 10 to the negative four power
Murljashka [212]

Answer:

0.0008235

Step-by-step explanation:

8.235 x 10⁻⁴

10 to the exponent of a negative number means the decimal place is moved to the left to make the number smaller.

Move the decimal place 4 over the left.

0.0008235

8 0
3 years ago
when they said went to bed the outside temperature was 28 degrees Fahrenheit when you woke up the next morning the temperature h
Ghella [55]

Answer:

41 degrees

Step-by-step explanation:

just subtract

7 0
3 years ago
What is 2.3w-7+8.1-3w
stepan [7]
2.0 w-1.1
2.3 w -3w = 2.0 w , -7+8.1 =1.1
8 0
3 years ago
Please help!!
ipn [44]

x

4

+

50

x

2

+

625Rewrite  

625

as  

25

2

.

u

2

+

50

u

+

25

2

Check the middle term by multiplying  

2

a

b

and compare this result with the middle term in the original expression.

2

a

b

=

2

⋅

u

⋅

25

Simplify.

2

a

b

=

50

u

Factor using the perfect square trinomial rule  

a

2

+

2

a

b

+

b

2

=

(

a

+

b

)

2

, where  

a

=

u

and  

b

=

25

.

(

u

+

25

)

2

Replace all occurrences of  

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with  

x

2

.

(

x

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+

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)

2

3 0
2 years ago
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