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Mnenie [13.5K]
3 years ago
14

Solve 3x>−21. The solution of the inequality is a .

Mathematics
2 answers:
sergiy2304 [10]3 years ago
8 0

Answer:

x >-7

Step-by-step explanation:

3x>−21.

Divide each side by 3

3x/3 >-21/3

x >-7

Alina [70]3 years ago
8 0

Answer:

x=-7

Step-by-step explanation:

Divide both sides by 3

3x/3=-21/3

x=-7

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Answer :

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Step-by-step explanation :

To find the product of

3 {y}^{2} z(2 {y}^{2} z + 4yz - y + z)

First we expand the bracket ,

it implies that, we use the expression outside the bracket to multiply individual expressions inside the bracket.

Hence

3 {y}^{2} z(2 {y}^{2} z + 4yz - y + z)

= 3 {y}^{2} z(2 {y}^{2} z) + 3 {y}^{2} z(4yz) - 3 {y}^{2} z(y )+3 {y}^{2} z( z)

we now apply the law of indices

{a}^{m} \times {a}^{n} = {a}^{m+n}

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= 6{y}^{4} {z}^{2} + 12 {y}^{3} {z}^{2}-3{y}^{3} {z}+3 {y}^{2} {z}^{2}
3 0
3 years ago
A drone that costs $129.50 is discounted 40%. The next month, the sale price is discounted an additional 60%. Is the drone now “
Fantom [35]

Answer:

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Step-by-step explanation:

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5 0
4 years ago
What is the solution of this equation? -9+7b=8b-7​
Anni [7]

Answer:

b=-2

Step-by-step explanation:

-9+7b=8b-7\\-9+9+7b=8b-7+9 \leftarrow \text {Addition Property of Equality} \\7b+8b=2\\7b-8b+8b-8b=2\leftarrow \text {Subtraction Property of Equality} \\-b=2\\\frac{-b}{-1}=\frac{2}{-1}  \leftarrow \text {Division Property of Equality}\\\boxed {b=-2}\\\\\huge\text {The value of 'b' should be -2}

3 0
3 years ago
I NEED HELP WITH THIS ASAP!!
VLD [36.1K]

The equations are ABC and the word stories are 123

The answers are as followed

C and 1

A and 2

B and 3

Hope this helped and have an amazing day :)

-yO mAmA

3 0
3 years ago
Read 2 more answers
Evaluate a−b+3c when .a=4, b=−2, and c=3. a−b+3c =4−( )+3∙ =4+ + =
igomit [66]

Answer:

15

Step-by-step explanation:

4-(-2)+3(3)

4+2+9

15

5 0
3 years ago
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