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uysha [10]
3 years ago
13

A bird feeder hold 3/4 quarts of bird seed. Your scooper holds 3/8 cups of birdseed. How many scoops will fill the bird feeder

Mathematics
1 answer:
In-s [12.5K]3 years ago
8 0
<h3>8 scoops will fill the bird feeder</h3>

<em><u>Solution:</u></em>

Given that,

A bird feeder hold 3/4 quarts of bird seed

Your scooper holds 3/8 cups of birdseed

We know that,

1 quart = 4 cups

Therefore,

\frac{3}{4}\ quarts = \frac{3}{4} \times 4 = 3\ cups

Thus,

A bird feeder hold 3 cups of  bird seed

Your scooper holds 3/8 cups of birdseed

<em><u>How many scoops will fill the bird feeder</u></em>

3 \div \frac{3}{8}\\\\3 \times \frac{8}{3}\\\\8

Thus, 8 scoops will fill the bird feeder

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3(x – 2) – 2x + 3 = -12
enyata [817]
X = 9 sorry if x isnt what youre looking for
6 0
3 years ago
-2 (4x-9) = -18 ×=___​
Dahasolnce [82]

Answer:

x = 9/2 or 4 1/2 or 4.5

Step-by-step explanation:

Divide both sides by the numeric factor on the left side, then solve. Hope this helped :)!

5 0
3 years ago
While conducting a test of modems being manufactured, it is found that 10 modems were faulty out of a random sample of 367 modem
Kitty [74]

Answer:

We conclude that this is an unusually high number of faulty modems.

Step-by-step explanation:

We are given that while conducting a test of modems being manufactured, it is found that 10 modems were faulty out of a random sample of 367 modems.

The probability of obtaining this many bad modems (or more), under the assumptions of typical manufacturing flaws would be 0.013.

Let p = <em><u>population proportion</u></em>.

So, Null Hypothesis, H_0 : p = 0.013      {means that this is an unusually 0.013 proportion of faulty modems}

Alternate Hypothesis, H_A : p > 0.013      {means that this is an unusually high number of faulty modems}

The test statistics that would be used here <u>One-sample z-test</u> for proportions;

                             T.S. =  \frac{\hat p-p}{\sqrt{\frac{p(1-p)}{n} } }  ~  N(0,1)

where, \hat p = sample proportion faulty modems= \frac{10}{367} = 0.027

           n = sample of modems = 367

So, <u><em>the test statistics</em></u>  =  \frac{0.027-0.013}{\sqrt{\frac{0.013(1-0.013)}{367} } }

                                     =  2.367

The value of z-test statistics is 2.367.

Since, we are not given with the level of significance so we assume it to be 5%. <u>Now at 5% level of significance, the z table gives a critical value of 1.645 for the right-tailed test.</u>

Since our test statistics is more than the critical value of z as 2.367 > 1.645, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which <u><em>we reject our null hypothesis</em></u>.

Therefore, we conclude that this is an unusually high number of faulty modems.

6 0
3 years ago
At the local bakery, Ariel bought 2 oatmeal cookies for $1.50. Mei bought 1/2 dozen oatmeal cookies for $4.50. Becky bought 8 oa
elena55 [62]

Answer: Yes. The cookies are $ .75 each. The total cost is proportional to the number of cookies purchased.

T = $.75 × c

Step-by-step explanation:

4 0
2 years ago
Jennifer drives 265 miles in 5 hours what is her average rate of speed in miles per hour ?
algol [13]
Answer: 53

265 divided by 5=

53

hope this helps
7 0
3 years ago
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