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3 years ago

Mr. Ito is spreading mulch in his yard. He spreads 4 2/3 squre yards in 2 hours. How many square yards can he mulch per hour?

2 answers:

3 0

Hey there, this is a division problem so we are going to divide 4 2/3 by 2. Change ÷ sign into × sign, Make 2 a fraction, 2=2/1. 4 2/3 as a improper fraction is 14/3, flip 2/1=1/2, now we have 14/3×1/2, 14*1=14 and 3*2=6. Now, we have 14/6. 14/6 simplified is 7/3, 7/3 as a mixed number is 2 1/3

Kobotan [32]3 years ago

3 0

You can divide 4 by 2 first, getting 2. Then you would divide the 2/3 by changing it to 4/6 and then dividing it to get 2/6, which is simplified to 1/3. Then you add your answers, so the answer is 2 1/3

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The function f(x)=5x+4f(x)=5x+4 models the height of a tree, where x represents the years since the tree was planted for year 3

Romashka [77]

"<span>all real numbers between 3 and 10 inclusive" could not be the answer, because these are x-values (values of the independent variable).

"</span><span>all real numbers between 19 and 54 inclusive" is the range. Why? Because in year 3, f(3) = height of tree = 5(3) + 4 = 19 feet.

In year 10, f(10) = 5(10) + 4 = 54 feet. </span>

6 0

3 years ago

PLSS HELP 20 POINTS!! Will mark branliest plssss

Sedbober [7]

Answer: the answer is 16

Step-by-step- explanation:

Since the two sides of a triangle must be greater than the third we can take the sum of two smallest sides and add them together to equal 92. Meaning the length of the longest side MUST BE 91 feet so the amount of the remaining rope would equal to 107-91 and that’s where we get 16

4 0

3 years ago

G(x) = -2x -9 what is g(-7)?

tresset_1 [31]

Answer:

g(-7) = 5

Step-by-step explanation:

Step 1: Define

g(x) = -2x - 9

g(-7) is x = -7

Step 2: Substitute and Evaluate

g(-7) = -2(-7) - 9

g(-7) = 14 - 9

g(-7) = 5

4 0

3 years ago

Read 2 more answers

QUESTION 1: simplify 18-24÷8+7

bearhunter [10]

Answer:

1. 22

2.73

3.15

Step-by-step explanation:

7 0

3 years ago

In an effort to estimate the mean of amount spent per customer for dinner at a major Lawrence restaurant, data were collected fo

larisa86 [58]

Answer:

The 99% confidence interval for the population mean is 22.96 to 26.64

Step-by-step explanation:

Consider the provided information,

A sample of 49 customers. Assume a population standard deviation of $5. If the sample mean is $24.80,

The confidence interval if 99%.

Thus, 1-α=0.99

α=0.01

Now we need to determine $z_{\frac{\alpha}{2}}=z_{0.005}$

Now by using z score table we find that $z_{\frac{\alpha}{2}}=2.58$

The boundaries of the confidence interval are:

$\mu-z_{\frac{\alpha}{2}}\times \frac{\sigma}{\sqrt{n} }\\24.80-2.58\times \frac{5}{\sqrt{49}}=22.96\\\mu+z_{\frac{\alpha}{2}}\times \frac{\sigma}{\sqrt{n} }\\24.80+2.58\times \frac{5}{\sqrt{49}}=26.64$

Hence, the 99% confidence interval for the population mean is 22.96 to 26.64

3 0

3 years ago