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3 years ago

The measure of an angle is 23 less than 5 times it’s supplement. Find the angle measurement. Show/explain work

Mathematics

1 answer:

sertanlavr [38]3 years ago

8 0

Let the measure of an angle be "a"
let the supplement be "s"

a= s-23

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A baby giraffe was born at a wildlife preserve. The giraffe was 6 feet tall when it was born, and it grew 1.75 feet over the nex

HACTEHA [7]

The age of the giraffe when he is 15 feet tall be 1 year 1 month and 16 days.

<h3>What is fraction?</h3>

A fraction can be a portion or section of any quantity out of a whole, where the whole can be any number, a specific value, or a thing.

Giraffe height = 6 feet

Height grew in 7 months= 1.75 feet

Giraffe's height in 7 month = 7.75 feet

Giraffe's height, 1 feet= $\frac{7}{7.75}$ month

= 0.9032 months

Giraffe's height, 15 feet= 0.9032 x 15 month

= 13.548 month

= 13 months 16 days approx.

= 1 year 1 month 16 days

Hence, the age of giraffe will be 1 year, 1 month and 16 days

Learn more fraction here:

brainly.com/question/10354322

#SPJ2

5 0

2 years ago

A genetic experiment involving peas yielded one sample of offspring consisting of 409 green peas and 171 yellow peas. Use a 0.05

grigory [225]

The usual expectation for this kind of experiment is that the peas would yield green and yellow peas in a 3:1 ratio, or 75% green to 25% yellow. So your null hypothesis is that the proportion of yellow peas is $p=0.25$ .

You're testing the claim that 26% of the offspring will be yellow, which means the alternative hypothesis is that the proportion of yellow peas is actually 0.26, or more generally that the expected proportion is greater than 0.25, or $p>0.25$ .

The test statistic in this case will be

$Z=\dfrac{\hat p-p_0}{\sqrt{\dfrac{p_0(1-p_0)}n}}$

where $p_0$ is the proportion assumed under the null hypothesis, $\hat p$ is the measured proportion, and $n$ is the sample size. You have $p_0=0.25$ , $\hat p=\dfrac{171}{171+409}\approx0.29$ , and $n=409+171=580$ , so the test statistic is

$Z=\dfrac{0.29-0.25}{\sqrt{\dfrac{0.25\times0.75}{580}}}\approx2.2247$

Because you're testing $p>p_0$ , this is a right-tailed test, so the P-value is

$\mathbb P(Z>2.2247)\approx0.0131$

The critical value for a right-tail test at a 0.05 significance level is $Z_\alpha\approx1.6449$ , which means the rejection region is any test statistic that is larger than this critical value. Since $Z>Z_\alpha$ in this case, we reject the null hypothesis.

So the conclusion for this test is that the sample proportion is indeed statistically significantly different from the proportion suggested by the null hypothesis.

8 0

3 years ago

Read 2 more answers

If you have 20 dollars and you you need to give your friend 5 dollars out of that, how much money will you have left

notsponge [240]

Answer: 15 dollars
20 -5 = 15

4 0

3 years ago

Solve the inequality: y+4<8

alex41 [277]

Answer:

y < 4 would be the solved inequality I believe

Step-by-step explanation:

y + 4 < 8

- 4. - 4

y < 4

4 0

3 years ago

Choose the ratio that you would use to convert 2.5 centimeters to meters

Diano4ka-milaya [45]

2.5/100/100

2.5/100=1/1

2.5 cm =0.025m

6 0

4 years ago