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3 years ago

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If u = 5 inches, v = 7 inches, w = 2 inches, x = 6 inches, y = 12 inches, and z = 3 inches, then what is the perimeter of the ob

ject

1 answer:

m_a_m_a [10]3 years ago

5 0

The answers because you have to add all of them together 35

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The ratio of students to teachers at a school is 19 to 1 how many students are there in each total number of people

vladimir2022 [97]

<u>Question</u>:

The ratio of students to teachers at a school is 19 : 1. How many students are there in each total number of people?

A: 100 people

b. 280 people

c.440 people

d.760 people

<u>Answer</u>:

A )95 students and 5 teachers

B)266 students and 14 teachers

C)418 students and 22 teachers

D)722 students and 38 teachers

<u>Step-by-step explanation:</u>

<u><em>A: 100 people</em></u>

Ratio = 19 : 1

The sum of the ratio is 19 + 1 = 20

Scale factor = $\frac{100}{20}$

scale factor = 5

The number students is $19 \times 5$ = 95

The number of teachers is $1 \times 5$ = 5

<em><u>b. 280 people </u></em>

Ratio = 19 : 1

The sum of the ratio is 19 + 1 = 20

Scale factor = $\frac{280}{20}$

scale factor = 14

The number students is $19 \times 14$ = 266

The number of teachers is $1 \times 14$ = 14

<em><u>c.440 people</u></em>

Ratio = 19 : 1

The sum of the ratio is 19 + 1 = 20

Scale factor = $\frac{440}{20}$

scale factor = 22

The number students is $19 \times 22$ = 418

The number of teachers is $1 \times 22$ = 22

<em><u>d.760 people</u></em>

Ratio = 19 : 1

The sum of the ratio is 19 + 1 = 20

Scale factor = $\frac{760}{20}$

scale factor = 38

The number students is $19 \times 38$ = 722

The number of teachers is $1 \times 38$ = 38

5 0

3 years ago

Use the graphs below to find the slope of each line<br><br> (0,8),(8,1)

nignag [31]

Answer:

slope= -7/8

Step-by-step explanation:

y2-y1=1-8=-7

x2-x1=8-0=8

-7/8

6 0

3 years ago

if a 6 aided die is rolled 5 times and rolling a 2 is considered to be a success what are the chances of rolling exactly 3 succe

seraphim [82]

1/6 of a chance:)

(I think..........)

5 0

3 years ago

Select two fractions equivalent to 21/28

Y_Kistochka [10]

Here are two of them 3/4 and 6/8.

4 0

3 years ago

Josephine solved a quadratic equation. Her work is shown below.

mariarad [96]

Answer:

Step-by-step explanation:

hello :

5(x + 7)² = 245

(x + 7)² = 49

x=0 is solution but you have other solution -14 because :(-14+7)² = (-7)² =49

here is an solution Step-by-step :

(x + 7)² = 49 means : (x + 7)² = 7²

(x + 7)² - 7²=0 use identity : a²-b² = (a-b)(a+b)

a=x+7 and b= 7

(x+7-7)(x+7+7) = 0

x(x+14)=0

x=0 or x+14=0

so : x=0 or x= -14

7 0

4 years ago