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spin [16.1K]
4 years ago
10

Use the distributive property and then combine like terms to simplify this expression: 9x + 5(x + 4)

Mathematics
1 answer:
Ilia_Sergeevich [38]4 years ago
3 0

Answer:

14x+20

Step-by-step explanation:

9x + 5(x + 4)

Apply the Distributive Property:

9x+5(x+4)=9x+5x+20

9x+5x+20

Combine Like Terms:

The like terms are 9x and 5x.

9+5=14

9x+5x+20=14x+20

The simplified equation is: 14x+20

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Square root of 81 minus square root of negative 48 answer in a + bi form
galina1969 [7]

Answer:

9-6.92820323i Nothing else can be done.

Step-by-step explanation:

-48 is not a perfect square but 81 is a square. When you try to square -48 it comes to be 6.92820323i.

4 0
3 years ago
Solve 9x² - 6x + 1 = 0 using the Quadratic Formula.
andrezito [222]

Answer:1/3 i dont know if this is right i just kindly copied the guy on top

Step-by-step explanation:

7 0
3 years ago
Please help im desperate
gogolik [260]

Answer:

m

∠

N

=

67

∘

,

and

,

m

∠

P

=

113

∘

.

Explanation:

By what is given,  

m

∠

M

+

m

∠

N

=

90

∘

...

...

...

...

...

(

1

)

, and,

m

∠

N

+

m

∠

P

=

180

∘

...

...

...

...

...

...

...

...

.

(

2

)

Since,  

m

∠

M

=

23

∘

, by (1), we get,  

m

∠

N

=

90

∘

−

23

∘

=

67

∘

.

Using this in  

(

2

)

, we get,  

m

∠

P

=

180

∘

−

67

∘

=

113

∘

.

3 0
3 years ago
Bailey sold pumpkin pies for two days. on Monday, she sold 13 pies and on Tuesday she sold 23 pies. If she used 3/4 cup of pumpk
MArishka [77]

Answer:

27

Step-by-step explanation:

13 + 23 = 36 x 3/4 = 27

8 0
3 years ago
A cell phone company offers two plans for unlimited calling. The first plan has a monthly charge of $25 and 8.08 per text messag
Alja [10]
The answer is 125 messages.
Firstly the best thing to do is create two different equations.
1. y=25+.08x
2. y=20+.12x
Then you plug into Desmos and see at what point they cross. They cross at (125, 35).
Therefore for 125 text messages would cost 35$ for each plan.
8 0
3 years ago
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