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ryzh [129]
3 years ago
13

Determine whether the following expressions are equivalent to 8/7(21+42b)

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0
8(21+42b)/7

8(21+42b) = 168 + 336b

(168 + 336b)/7 = (24+ 48b)
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-1/2(-3y+10) i need help combining like terms to create a equivelent expression
Vaselesa [24]

Answer:

1.5y - 5

Step-by-step explanation:

I used the distributive approach and distributed -1/2 to the -3y and 10.

(If you try this and it's incorrect, you may just need to distribute -1/2 to the 10, creating -3y - 5.)

6 0
3 years ago
What is the solution for x in the equation? -4 + 5x − 7 = 10 + 3x − 2x A.  B.  C.  D. 
laiz [17]

Answer:

x=21/4

Step-by-step explanation:

1. combine like terms

-4+-7= -11  3x-2x=x

2. subtract x

5x-11=x+10

4x-11=10

3. add 11

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4. divide 21 by 4 = 21/4

8 0
3 years ago
Which of the following is the equation of a circle with a radius of 10 cm and center at (–3, 6)?
Volgvan

The equation of the circle:

(x-h)^2+(y-k)^2=r^2

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r - radius

We have:

r=10\\(-3,\ 6)\to h=-3,\ k=6

Substitute:

(x-(-3))^2+(y-6)^2=10^2\\\\(x+3)^2+(y-6)^2=100

4 0
3 years ago
Selena's favorite chocolate chip cookie recipe calls for 111 teaspoon of salt for every {2 \dfrac{1}{4}}2
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It is deepak's just trust me

Step-by-step explanation:

7 0
3 years ago
Please help me with this
Sonja [21]
The answer to your question is D) √5x/5x.

I hoped this helped!
6 0
4 years ago
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