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3 years ago

How many each type of angle shape has

Mathematics

2 answers:

Anton [14]3 years ago

7 0

For the first one it has 4 right, zero greater and zero less than. For number two is has 0 right, 2 greater than and 3 less to

Korolek [52]3 years ago

7 0

4.
__4____ right

__0__ less than a right

__0____ greater than a right

5.
_0_____ right

__ 0__ less than a right

___5___ greater than a right

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Please answer please

IRISSAK [1]

Step-by-step explanation:

cos A = 16/20 = 4/5

tan A = 12/16 = 3/4

sin A = 12/20 = 3/5

4 0

3 years ago

HELP PLEASE!!! Which of the following is not a true statement about solving two-step equations?

tensa zangetsu [6.8K]

C= two step equations require all number to be whole number in order to solve.

Here is an example that disproves that:
.5x + 8= 18
 -8 -8
.5x = 10
.5 .5

x = 20 (.5 is certainly not a whole number but I solved it anyway)

6 0

3 years ago

Read 2 more answers

211 times 9=<—round the answer.

Yuki888 [10]

Answer:

211 × 9 is 1899 so rounding to nearest thousands would be 2000

3 0

3 years ago

What is the slope?

cestrela7 [59]

Answer:

5/6

Step-by-step explanation:

rise over run

50/60= 5/6

7 0

3 years ago

A random sample of 70 printers discovered that 25 of them were being used in small businesses. find the 95% limit for the popula

kvasek [131]

Answer:

The sample proportion of printers used in small business is:

$\hat{p}=\frac{25}{70}=0.3571$

The 95% confidence interval for the population proportion of printers that are used in small businesses is:

$\hat{p} \pm z_{\frac{0.05}{2}} \sqrt{\frac{\hat{p}(1-\hat{p})}{n} }$

Where:

$z_{\frac{0.05}{2}}=1.96$ is the critical value at 0.05 significance level

$\therefore 0.3571 \pm 1.96 \sqrt{\frac{0.3571(1-0.3571)}{70} }$

$0.3571 \pm 0.1122$

$\left ( 0.3571 - 0.1122, 0.3571 + 0.1122 \right)$

$\left(0.245,0.469 \right)$

Therefore, the 95% confidence interval for the population proportion of printers that are used in small businesses is (0.245 , 0.469)

7 0

3 years ago