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3 years ago

a farmer is putting up a rectangular pasture. it measures 320 feet by 335 feet it costs $8 per foot, how much will it cost

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

8 0

Answer:

I think it would cost $13,400

Step-by-step explanation:

if you do 320 times 335 you get 107200 and then if you divide that by 107,200 you get $13,400

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Melanie was training for a race. The line plot below shows the number of miles Melanie ran last week.

Musya8 [376]

Answer:

5 miles

Step-by-step explanation:

add the points together.

it seems like each point is how many miles they ran each day.

1/4 + 2(1/2) + 3/4 + 3(1) = 5

4 0

2 years ago

What is the measure of one of the base angles of your saucily triangle if the measure of the vertex angle is 98°

wlad13 [49]

Step 1

An isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length.

Step 2

Since the sides of an isosceles triangle are equal it follows that the base angles are equal too. The vertex angle = 98°. The sum of angles in a triangle is 180°.

Therefore, if the base angles are both x,

$98^{\circ}+x+x=180^{\circ}(sum\text{ of angles in a triangle)}$ $\begin{gathered} 98+2x=180 \\ 2x=180-98 \\ 2x=82 \\ \frac{2x}{2}=\frac{82}{2} \\ x=41^{\circ} \end{gathered}$

Therefore,

$\text{one base angles=41}^{\circ}$

4 0

1 year ago

A cake recipe requires 3 1/4 cups of flour for 13 servings and 4 1/2 cups of flour for 18 servings. How much flour is required t

marishachu [46]

10 cups because 3 1/4 and 4 1/2 is 7/4 and 18/4 respectively. Then, you subtract them and add the answer to 18/4 twice.

5 0

3 years ago

Harold measures the heights in inches of the new plants that are growing in his greenhouse.

givi [52]

Answer:

Step-by-step explanation:

6 0

3 years ago

2. The Welcher Adult Intelligence Test Scale is composed of a number of subtests. On one subtest, the raw scores have a mean of

IgorC [24]

Answer:

a) 37.31 b) 42.70 c) 0.57 d) 0.09

Step-by-step explaanation:

We are regarding a normal distribution with a mean of 35 and a standard deviation of 6, i.e., $\mu$ = 35 and $\sigma$ = 6. We know that the probability density function for a normal distribution with a mean of $\mu$ and a standard deviation of $\sigma$ is given by

$f(x) = \frac{1}{\sqrt{2\pi}\sigma}\exp[-\frac{(x-\mu)^{2}}{2\sigma^{2}}]$

in this case we have

$f(x) = \frac{1}{\sqrt{2\pi}6}\exp[-\frac{(x-35)^{2}}{2(6^{2})}]$

Let $X$ be the random variable that represents a row score, we find the values we are seeking in the following way

a) we are looking for a number $x_{0}$ such that

$P(X\leq x_{0})$ = $\int\limits^{x_{0}}_{-\infty} {f(x)} \, dx = 0.65$ , this number is $x_{0}$ =37.31

you can find this answer using the R statistical programming languange and the instruction qnorm(0.65, mean = 35, sd = 6)

b) we are looking for a number $x_{1}$ such that

$P(X\leq x_{1})$ = $\int\limits^{x_{1}}_{-\infty} {f(x)} \, dx = 0.9$ , this number is $x_{1}$ =42.70

you can find this answer using the R statistical programming languange and the instruction qnorm(0.9, mean = 35, sd = 6)

c) we find this probability as

$P(28\leq X\leq 38)$ = $\int\limits^{38}_{28} {f(x)} \, dx = 0.57$

you can find this answer using the R statistical programming languange and the instruction pnorm(38, mean = 35, sd = 6) -pnorm(28, mean = 35, sd = 6)

d) we find this probability as

$P(41\leq X\leq 44)$ = $\int\limits^{44}_{41} {f(x)} \, dx = 0.09$

you can find this answer using the R statistical programming languange and the instruction pnorm(44, mean = 35, sd = 6) -pnorm(41, mean = 35, sd = 6)

6 0

4 years ago

Read 2 more answers