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2 years ago

Which number line best shows the position of 113?

Mathematics

2 answers:

sveta [45]2 years ago

8 0

This question is extremely hard for me to understand I don’t know why there are so many + and -. Have a good day.

kenny6666 [7]2 years ago

7 0

This question is a little wonky about its format and structure. Hope you have a great day still!

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An event planner expects 432 teachers to attend a conference. If the planner places 24 chairs in each row, estimate the number o

Naddika [18.5K]

Answer:

The number of rows needed to provide seating for all teachers is 18.

Step-by-step explanation:

Here, the total number of guests expected to attend = 432 teachers

Now, given : The number of chairs placed in each row = 24

Let us assume , the total number of rows of chairs = m

Now, The total chairs in the conference room

= The number of rows x The chairs in each row

= 24 x (m) = 24 m

Also, the TOTAL CHAIRS = TOTAL GUEST EXPECTED

⇒ 24 m = 432

or, m = 432 / 24 = 18

or, m = 18

Hence, the number of rows needed to provide seating for all of the teachers is 18.

7 0

2 years ago

The perimeter of the rectangle is 80 feet. the ratio of the width to the length is 3 to 5. what are the dimensions of the rectan

Sedaia [141]

48:80.....................................

7 0

2 years ago

Solve the system of equations using substitution or elimination by addition.

irakobra [83]

Answer:

a. (0.1,0.4)

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

exis [7]

Answer:

Part 1) The length of the longest side of ∆ABC is 4 units

Part 2) The ratio of the area of ∆ABC to the area of ∆DEF is $\frac{1}{100}$

Step-by-step explanation:

Part 1) Find the length of the longest side of ∆ABC

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

The ratio of its perimeters is equal to the scale factor

Let

z ----> the scale factor

x ----> the length of the longest side of ∆ABC

y ----> the length of the longest side of ∆DEF

$z=\frac{x}{y}$

we have

$z=\frac{1}{10}$

$y=40\ units$

substitute

$\frac{1}{10}=\frac{x}{40}$

solve for x

$x=(40)\frac{1}{10}$

$x=4\ units$

therefore

The length of the longest side of ∆ABC is 4 units

Part 2) Find the ratio of the area of ∆ABC to the area of ∆DEF

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x ----> the area of ∆ABC

y ----> the area of ∆DEF

$z^{2}=\frac{x}{y}$

we have

$z=\frac{1}{10}$

$z^2=(\frac{1}{10})^2$

$z^2=\frac{1}{100}$

therefore

The ratio of the area of ∆ABC to the area of ∆DEF is $\frac{1}{100}$

3 0

2 years ago

Teresa sold t-shirts at a festival and made a profit of $75. She made $4 for each t-shirt she sold. Her total expenses were $25.

Paha777 [63]

She sold 25 t-shirts cuz she made $75 and spent $25 which means she sold $100 worth of shirts which divided by $4 a piece is 25 t-shirts.

4 0

3 years ago