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3 years ago

Which statement is true for the equation 4n − 3 = 4n − 2?

Mathematics

2 answers:

Tems11 [23]3 years ago

7 0

It has no solutions. Hope it helps

ivolga24 [154]3 years ago

3 0

It's A hope it help you

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Ruth is knitting hats to sell at a local fair. The booth costs her $63 and the materials for each hat cost $10. She plans on sel

aev [14]

Answer: Ruth have to make 7 hats to break even.

Step-by-step explanation:

Break even point is a point where Cost = Revenue.

Let x be the number of hats sold.

Given: Cost of booth = $63

Each hat cost = $10

Selling price for each cost = $19

As per given,

Total cost = Cost of booth+ (Cost of each hat)(Number of hats)

= 63+10x

Total selling price = 19x

For break even,

63+10x=19x

9x=63

x=7

Hence, Ruth have to make 7 hats to break even.

7 0

3 years ago

Please help me! I have no idea how to do this

elena-s [515]

The best way to do this is to make up values for the sides.

Say the lengths of square B's sides are each 4 cm. That means A's sides are 2 cm.

So, the area of square B is 4^2 = 16 cm^2, and A's area is 4 cm^2. We can see the shaded area is half of A, so it's 2 cm^2.

What percent of 16 is 2?

2 / 16 * 100 = 12.5%

5 0

3 years ago

Jordan goes to a high school with 1900 students. He surveyed a random sample of 240 students about their favorite sport, and 150

just olya [345]

Answer: answer b

Step-by-step explanation:

7 0

3 years ago

I need help <br>this for alegerebra 1

Alex_Xolod [135]

Plugging in x=-2, you get:

2(-2)^2+5(-2)=2*4-10= -2

Therefore, f(-2)= -2

3 0

3 years ago

jenny borrowed $500 for 5 years at 4% interest compounded annually. what is the total amount she will have paid when she pays of

alexdok [17]

Use the formula for compound interest,

$A=P(1+ \frac{r}{n})^{nt}$

Where P is the starting amount (500$), r is the rate of interest (0.04), n is the number of times the interest is compounded per unit (1 per year), and t is the amount of time it is compounded (5 years).

Now, plug it into the formula:

$A=500(1+ \frac{0.04}{1})^{5}$

Do the math, and your answer is she must pay <span>608.32$ when she pays her debts.</span>

5 0

4 years ago