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Vladimir79 [104]
3 years ago
5

How can I solve 2x+y=-3

Mathematics
1 answer:
Vladimir79 [104]3 years ago
4 0

Answer:

If solving for x then x = -3/2 +y/2

If solving for y then y = -3-2x

Step-by-step explanation:

For x: Divide both sides by 2

For y: Subtract 2x from both sides of the equation

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STALIN [3.7K]

Answer:

answer is I'm guessing B.

8 0
3 years ago
How do I write an inequality for 6x+8>2
Hatshy [7]

Answer:

The inequality is x>-1

Step-by-step explanation:

Given:

The inequality to solve is given as:

6x+8>2

Now, in order to solve it for 'x', we need to isolate 'x' on one side of the inequality.

<em>Adding -8 on both sides, we get:</em>

6x+8-8>2-8\\\\6x>-6

<em>Dividing both sides by 6, we get:</em>

\frac{6x}{6}>\frac{-6}{6}\\\\x>-1

Therefore, the inequality for 'x' is given as:

x>-1

So, 'x' include all the values that are greater than -1.

7 0
3 years ago
1. Find the value of x in each of the giving your answer correct to 3 significant figures.​
Marta_Voda [28]

Answer:

a) tan40°=X÷3

3tan40°=x

x=2.517

3 0
2 years ago
Tom has 2 8-foot long boards he needs to cut pieces that are 15 inches long. How many 15 inch pieces can he cut from the two boa
Ksju [112]

Answer:

Tom can cut 12 (15 inch pieces) from the two boards.

Step-by-step explanation:

We're first given foot measurements and we're asked to find the answer in inches. That means we must convert 8 feet to inches, which is a 1:12 inches conversion. 8 times 12 will give you 96, so now you will multiply that value by 2 because Tom has 2 8-foot long boards. That will give you 192 inches. Since the question is asking for 'how many 15 inch pieces he can cut from the two boards?', you will need to divide 192 inches by 15 to find the answer. This will give you 12.8 boards. Because you can't have parts of an object, the answer will be 12 whole boards.

4 0
4 years ago
Trevor has two fraction models, each divided into equal-sized sections. The
erma4kov [3.2K]

Answer:

I will answer in a general way because the options are not given.

We know that the area of model A is smaller than the area of model B.

For model A, we have 72 shaded sections, out of 100.

Then the quotient of model A is:

72/100 = 0.72

For model B we have 10 sections, and x shaded ones.

Because model B is greater than model A, we know that:

x/10 should be larger than 72/100

then we have the inequality:

x/10 > 0.72

x > 0.72*10

x > 7.2

And we can not have more than 10 shaded sections (because there is a total of 10 sections) then:

10 ≥ x > 7.2

Then x can be any whole number in that interval.

the possible values of x are:

x = 8

x = 9

x = 10

5 0
3 years ago
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