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3 years ago

Hello!! Please help me solve the question, could you please also tell me which calculator we can use? Thank you

Mathematics

1 answer:

Gwar [14]3 years ago

7 0

You can use any calculator in Maths.

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Simplify by dividing negative five over eight ÷ negative three over four.. (5 points)

azamat

Answer:

Step-by-step explanation:

correct trust me

8 0

3 years ago

Eva deposited $30 in a savings account earning 10% interest, compounded annually.

alexdok [17]

Answer:

$ 9

Step-by-step explanation:

Simple Interest = P.R.T / 100

P = Principal (Amount invested) =$30

R = Rate= 10%

T = Time = 3 years

Therefore, Simple Interest (I):

I = PRT/100

I = ($30 * 10 * 3 ) / 100

I = $900 / 100

I = $9

She will have a total of $9 in three years

3 0

3 years ago

Paloma has a flower stand at a farmer's market. On Tuesday, she sold 8 marigold flats and 10 daisy flats. An hour before closing

Nostrana [21]

Answer:

She made $117.25

Step-by-step explanation:

Consider the provided information.

The price of marigold(M) is $5.75.

The price of daisy(D) is $6.25.

The price of roses(R) is $2.50.

The price of Lilies(L) is $3.75

She sold 8 marigold flats and 10 daisy flats. An hour before closing, she sold 5 bunches of roses at half price and 2 bunches of lilies for 1/3 of the price

Total money Paloma made = $8M+10D+5\times \frac{R}{2}+2\times \frac{L}{3}$

Now substitute the respective value

Total money Paloma made = $8(5.75)+10(6.25)+5\times \frac{2.50}{2}+2\times \frac{3.75}{3}$

Total money Paloma made = $46+62.5+6.25+2.5$

Total money Paloma made = $117.25$

Hence, she made $117.25

3 0

3 years ago

The same sample of 25 seniors from the urban school district with the mean and standard deviation N(450, 100). A 95% confidence

kvv77 [185]

The margin of error of a sample is given by:
B = z(α/2) σ/√n; where B is the margin of error = 25, z(α/2) is the level of significant = 1.96, σ is the standard deviation = 100 and n is the sample size.

25 = 1.96(100/√n)
100/√n = 25/1.96 = 12.76
√n = 100/12.76 = 7.84
n = (7.84)^2 = 61.47

Therefore, the smallest sample size required is 62 seniors.

3 0

4 years ago

As a fundraiser, the band is selling cookies. The cost to make each cookie can be written as c(x) = 0.25x + 0.5 and the function

lys-0071 [83]

Profit=selling rice-cost price
P(x)=2x-(0.25x+0.5)
P(x)=1.75x-0.5

6 0

3 years ago

Read 2 more answers