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3 years ago

I am loosing soo much of my points by doing this I was at 102 now I am at 40 please answer these correctly

Mathematics

2 answers:

laila [671]3 years ago

7 0

Number 8 is A. 4, when a letter/variable is right beside number you multiply it. So since n=4, the equation should be 7 x 4 + 14= 42...also keep in mind the answer has to be less than 56

So A.4

kupik [55]3 years ago

3 0

Answer:

Step-by-step explanation:

If we know that x is greater than or equal to 4, then we should substitute 4 in place of x in each possible solution.

A 4 + 3 ≥ 1 True, it's greater, but it can't be equal to.

B 3(4) ≥ 1 It's greater once again, can't be equal to.

C 4 - 3 ≥ 1 If x can also be greater than 4, then it works both ways. Equal and greater than.

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Pls help for brainliest

Minchanka [31]

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8 0

3 years ago

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Solve x <br><br> 4x-5 /5 = 3

cluponka [151]

Answer:

x = 1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4x−

4x+−1=3

4x−1=3

Step 2: Add 1 to both sides.

4x−1+1=3+1

4x=4

Step 3: Divide both sides by 4.

x=1

6 0

3 years ago

Find the real solutions of the equati<br> √7x+1 - √x-5 = 6

Juliette [100K]

The solution of this equation is x = 5 and x = 9.

<h3>What is the solution?</h3>

Let us recall that what we have here is a radical equation as follows;

√7x+1 - √x-5 = 6

When we isolate we have';

√7x+1 = √x-5+6

Taking the square of both sides;

(√7x+1)^2 = (√x-5+6)^2

Hence;

7x+1 = x-5+36+12√x-5

-12√x-5 = -7x-1+x-5+36

12√x-5 = 6x-30

Raising this equation to power 2

144x-720 = 36x^2-360x+900

When we rearrange we obtain;

36x2 - 504x + 1620 = 0

Hence;

x = 5 and x = 9

Learn more about radical equation:brainly.com/question/8606917

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5 0

11 months ago

The dance committee of Pine Bluff Middle School earns \$72$72 from a bake sale and will earn \$4$4 for each ticket they sell to

jeyben [28]

Answer:

Inequality is $4t+72>400$

Solution is C: t > 82

Step-by-step explanation:

Let the number of tickets = t

It is given that the committee earns $4 per ticket. That is, they earn $4t$ dollars.

Also, the committee earns $72 from the bake sale.

So, the total income is $4t+72$ dollars.

Since, the dance will cost $400.

So, the total earning must be greater than $400.

Thus, the inequality for the situation is given by, $4t+72>400$ .

So, on solving, we have,

$4t+72>400$

i.e. $4t>328$

i.e. t > 82.

Thus, the solution of the inequality is $t> 82$

Hence, option C is correct.

6 0

3 years ago

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There are 500 sneakers in a warehouse. If 63% of the sneakers are Nike, how many sneakers are Nike?

NeX [460]

Answer:

315

Step-by-step explanation:

because 63% of 500 is 315

5 0

2 years ago

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