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Harrizon [31]
3 years ago
15

The band boosters collected $2400 from the sale of hamburgers and hotdogs.The amount earned from hamburgers and hotdogs were equ

al.A hamburger sold for three dollars and a hotdog sold for two dollars how many of each were sold?
Mathematics
2 answers:
Leona [35]3 years ago
8 0
400 hamburgers were sold and 600 hot dogs were sold.
mina [271]3 years ago
3 0
400 Hamburgers
600 Hot dogs

Divide 2,400 by two because that's how many items they sold. You'll get 1,200.

Divide 1,200 by 3 because that's how much a hamburger costs and you'll end up with 400

Divide 1,200 by 2 because that's how much a hot dog costs and you'l end up with 600

To check, multiply 400x3 and 600x2

Then add the sums together- 1,200+1,200= 2,400
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A gallon of latex paint can cover 400 square feet. Maria has a rectangular room whose dimensions are 25 feet by 12 feet, with 8-
Romashka [77]
Maria would need 3 gallons of paint to cover all 4 walls with 2 coats of paint
7 0
4 years ago
What is the measure of <C? Round your answer to the nearest tenth of a degree.
Strike441 [17]

Given:

In triangle ABC, AB=9,BC=4,AC=7.

To find:

The measure of angle C.

Solution:

We have, AB=9,BC=4,AC=7. It means c=9,a=4,b=7.

According to the law of cosines:

cos C=\dfrac{a^2+b^2-c^2}{2ab}

cos C=\dfrac{4^2+7^2-9^2}{2(4)(7)}

cos C=\dfrac{16+49-81}{56}

cos C=\dfrac{-16}{56}

Taking cos inverse on both sides, we get

C=cos^{-1} \dfrac{-16}{56}

C=106.60155

C\approx 106.6

Therefore, the correct option is C.

7 0
3 years ago
23
Eva8 [605]

Answer:

A) 3

Step-by-step explanation:

12 * 2 = 24

8 * 3 = 24

24 = 24

6 0
2 years ago
Find the zeros f(x)=5(2x-5)(5x+4)
Andrei [34K]
The zeros are 5/2 and -4/5, I think.
8 0
3 years ago
The average score of all golfers for a particular course has a mean of 75 and a standard deviation of 4.5. Suppose 81 golfers pl
luda_lava [24]

Answer:

<em> The probability that the average score of the 81 golfers exceeded 76</em>

<em>P(x⁻≤ 76) = 0.9772     </em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given mean of the Population (μ) = 75

Given standard deviation of the Population (σ) = 4.5

Given size 'n' =81

Let 'X' be the random variable in Normal distribution

Z = \frac{x-mean}{\frac{S.D}{\sqrt{n} } } = \frac{76-75}{\frac{4.5}{\sqrt{81} } }

Z = 2

<u><em>Step(ii):-</em></u>

<em>The probability that the average score of the 81 golfers exceeded 76</em>

<em>P(x⁻≤ 76) = P( Z≤ 2)</em>

<em>                </em><em>= 1 - P(Z>2)</em>

<em>               = 1 - ( 0.5 - A(2))</em>

<em>               = 0.5 + A(2)</em>

<em>             = 0.5 +0.4772</em>

<em>             = 0.9772</em>

<em> The probability that the average score of the 81 golfers exceeded 76</em>

<em>P(x⁻≤ 76) = 0.9772            </em>

3 0
3 years ago
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