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NeTakaya
3 years ago
5

A contractor needs to buy nails to build a house. The nails come in small boxes and large boxes. Each small box has 200 nails an

d each large box has 400 nails. The contractor bought twice as many small boxes as large boxes, which altogether had 3200 nails. Graphically solve a system of equations in order to determine the number of small boxes purchased, x,x, and the number of large boxes purchased, yy.
Mathematics
1 answer:
Dima020 [189]3 years ago
4 0

Answer: 21

Step-by-step explanation:

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A basketball court is 94 feet by 50 feet. Eight fans ca
IgorC [24]

Answer:

The entire floor can contain approximately 4178 fans

Step-by-step explanation:

The first step is to calculate the area of the basketball floor.

we can do this by multiplying the length by the breadth as such 94 X 50 = 4700 square feet.

The second step is to calculate the area occupied by 8 of the fans. We can do this by multiplying 3 ft by 3ft = 9 square feet.

From this, it will be easier to estimate the area occupied by only one fan. This can be got by dividing 9 square feet by 8.  

This is = 1.125 square feet.

To get the number of students it can occupy, we divide the total area of the court by the area occupied by one student.

4700/ 1.125 =4177.8 \approx 4178 fans

4 0
3 years ago
A researcher is conducting a study of charitable donations by surveying a simple random sample of households in a certain city.
nirvana33 [79]

Answer:

H0: p ≤ 0.50

Ha: p > 0.50

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

For the case above;

Let p represent the proportion of households in the city that gave a charitable donation in the past year

The null hypothesis is that the proportion of households in the city that gave a charitable donation in the past year is not more that 0.50

H0: p ≤ 0.50

The alternative hypothesis is that the proportion of households in the city that gave a charitable donation in the past year is more that 0.50

Ha: p > 0.50

7 0
3 years ago
A 5-kilogram bag of cement costs $18.15. What is the unit price?
Gnom [1K]

Answer:3.63

Step-by-step explanation:because if we divide 18.15 by 5 is equal 3.63.

3 0
3 years ago
Sketch the smallest positive such angle. As well as find the six trig functions.
Licemer1 [7]
X-246-c4779952vhjjj23467890865
5 0
3 years ago
Solve the inequality. m/-5 < or = 4
Inessa05 [86]

Answer:

M < or = -20

Step-by-step explanation:

Brainlist please

4 0
3 years ago
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