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3 years ago

14

DUE IN 30 MINS PLEASE HELP!! i don’t understand how to find the angle measures!

2 answers:

spin [16.1K]3 years ago

6 0

The answer is 32!!!!

Citrus2011 [14]3 years ago

5 0

Answer:

would it be 32? (im in 7th so pls dont

hate me if w wronge)

step-by-step explanation:

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5) The sides of a quadrilateral are in the ratio 1:2:3:6. The perimeter is 138 cm.

MArishka [77]

Answer:

The first side is 11.5cm, the second is 11.5cm×2 = 23cm, the third is 11.5cm × 3 = 34.5cm,

and the fourth side is 11.5cm × 6 = 69cm.

Step-by-step explanation:

A quadrilateral is a 4 sided shape, while perimeter is the addition of all the sides of the quadrilateral. Since the sides of the quadrilateral is not stade, assume the sides of the quadrilateral is x, therefore 1:2:3:6 = x:2x:3x:6x. The total ratio is x+2x+3x+6x=12x, therefore 12x= 138 , x = 11.5cm, Therefore the first side is 11.5cm, the second is 11.5cm×2 = 23cm, the third is 11.5cm × 3 = 34.5cm, and the fourth is 11.5cm × 6 = 69cm.

3 0

3 years ago

The volume of a cylinder with height h h and radius r r can be found using the formula V = ? r 2 h V=?r2h Find the volume of a c

Pavel [41]

Answer:

5.000 ft

Step-by-step explanation:

The formula for the volume of a cylinder is

V = πr²h

Data:

V = 785.4 ft³

h = 2r

Calculations:

V = πr²h = πr²(2r) = 2πr³

Divide each side by 2π

$\frac{V }{2\pi } = r^{3}$

Take the cube root of each side

$r = \sqrt[3]{\frac{V }{2\pi}}$

$= \sqrt[3]{\frac{785.4 }{2\pi }}$

$= \sqrt[3]{125.00}$

= 5.000 ft

The radius of the cylinder is 5.000 ft.

6 0

3 years ago

Previously, an organization reported that teenagers spent an average of 4.3 hours per week, on average, on the phone. The organi

yKpoI14uk [10]

Answer:

The null hypothesis is $H_{0} = 4.3$ .

The alternate hypothesis is $H_{a} > 4.3$

Step-by-step explanation:

Null hypothesis:

The previously report, the known value.

Alternate hypothesis:

What is questioned(higher, lower, different,...) of the null hypothesis

Previously, an organization reported that teenagers spent an average of 4.3 hours per week, on average, on the phone.

This means that the null hypothesis is $H_{0} = 4.3$ .

The organization thinks that, currently, the mean is higher.

That is, higher than 4.3. So

The alternate hypothesis is $H_{a} > 4.3$

7 0

3 years ago

In a math class of 35 students, 17 boys and 18 are girls. On a unit test, 8 boys and 12 girls made an A grade. A student is chos

never [62]

Answer:

29/35

Step-by-step explanation:

probability of choosing a boy or an A student = (boys + a students - a boys)/total -->

probability of choosing a boy or an A student = (17 + 20 - 8)/35 -->

probability of choosing a boy or an A student = 29/35

6 0

3 years ago

A restaurant used 8 1/4 pounds of carrots to make 6 carrot cakes. Frank wants to use the same recipe. How many pounds of carrots

snow_tiger [21]

Answer:

To make one carrot cake 1 pound(approximately) carrot needed.

Step-by-step explanation:

Given:

8 1/4=33/4 pounds of carrots used to make 6 carrot cakes.

So, to get one carrot cake:

6 carrot cakes need = $\frac{33}{4}$

1 carrot cake need = $\frac{33}{4}$ ÷ $6$

= $\frac{33}{24}$

= $1.375\ pound$

Therefore, to make one carrot cake 1 pound(approximately) carrot needed.

4 0

3 years ago