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Andrej [43]
3 years ago
11

Two numbers that will multiply to -21 and also add to 4

Mathematics
2 answers:
Alja [10]3 years ago
8 0

Answer:

the numbers are 7 and -3

Step-by-step explanation:

malfutka [58]3 years ago
7 0

Answer:

7 and -3 are the numbers

Step-by-step explanation:

7-3= 4

7×-3= -21

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A circle with a radius of 3cm sits inside of a circle with a radius of 5cm. What is the area of the Shaded Region? Round your an
tresset_1 [31]

Answer:

A=50.27\ cm^2

Step-by-step explanation:

<u><em>The complete question is</em></u>

A circle with a radius of 3 cm sits inside of a circle with a radius of 5 cm. What is the area of the Shaded Region?

The shaded region is the area outside the smaller circle and inside the larger circle

we know that

The area of the shaded region is equal to subtract the area of the smaller circle from the area of the larger circle

Remember that

The area of the circle is equal to

A=\pi r^{2}

so

The area of the shaded region is

A=\pi [r_1^2-r_2^2]

where

r_1=5\ cm

r_2=3\ cm

substitute

A=\pi [5^2-3^2]

A=\pi [16]

A=16\pi\ cm^2

assume

\pi =3.1416

substitute

A=16(3.1416)=50.27\ cm^2

4 0
3 years ago
The school that Mary goes to is selling tickets to a spring musical. On the first day of ticket sales
andrezito [222]

Answer:

The cost of one adult ticket is $13, and the price of one student ticket is $4.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the cost of an adult ticket

y is the cost of a student ticket.

6 adult tickets and 1 student ticket for a total of $82

This means that

6x + y = 82

y = 82 - 6x

The school took in $51 on the second day by selling 3 adult tickets and 3 student tickets.

This means that

3x + 3y = 51

Simplifying by 3

x + y = 17

Since y = 82 - 6x

x + 82 - 6x = 17

-5x = -65

5x = 65

x = \frac{65}{5} = 13

y = 82 - 6x = 82 - 6*13 = 82-78 = 4

The cost of one adult ticket is $13, and the price of one student ticket is $4.

4 0
3 years ago
A 2-column table with 6 rows. Column 1 is labeled Tables with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled Chairs with entries
Thepotemich [5.8K]

Answer:

A 2-column table with 6 rows. Column 1 is labeled Tables with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled Chairs with entries 6, 12, 18, 24, 30, 36.

Rachel is setting up for her birthday. Rachel wants to put the same number of chairs around each table. How many chairs will Rachel place around each table at her birthday party?

✔ 6

Step-by-step explanation:

got it right on edge

3 0
3 years ago
Read 2 more answers
Heres a list of numbers 8,7,12,7,11,10,7,12Find median,mean,range and mode
Rina8888 [55]

Answer:

There it gose

Step-by-step explanation:

3 0
2 years ago
Select the correct answer. The edges of a cube are 5 centimeters each and the diagonal of a face is approximately 7 centimeters.
Mrac [35]

Answer:

a

Step-by-step explanation:

4 0
4 years ago
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